Merge branch 'main' into tasks

This commit is contained in:
ngb
2022-07-15 21:45:37 +02:00
45 changed files with 3817 additions and 305 deletions

View File

@@ -3,17 +3,15 @@ package schule.ngb.zm;
/**
* Repräsentiert eine Farbe in der Zeichenmaschine.
* <p>
* Farben bestehen entweder aus einem Grauwert (zwischen 0 und
* 255) oder einem Rot-, Grün- und Blauanteil (jeweils zwischen
* 0 und 255).
* Farben bestehen entweder aus einem Grauwert (zwischen 0 und 255) oder einem
* Rot-, Grün- und Blauanteil (jeweils zwischen 0 und 255).
* <p>
* Eine Farbe hat außerdem einen Transparenzwert zwischen 0
* (unsichtbar) und 255 (deckend).
* Eine Farbe hat außerdem einen Transparenzwert zwischen 0 (unsichtbar) und 255
* (deckend).
*/
public class Color {
//@formatter:off
/**
* Die Farbe Schwarz (Grauwert 0).
@@ -124,12 +122,12 @@ public class Color {
/**
* Erstellt eine Farbe. Die Parameter <var>red</var>, <var>green</var> und
* <var>blue</var> geben die Rot-, Grün- und Blauanteile der Farbe. Die Werte
* liegen zwischen 0 und 255.
* <var>blue</var> geben die Rot-, Grün- und Blauanteile der Farbe. Die
* Werte liegen zwischen 0 und 255.
*
* @param red Rotwert zwischen 0 und 255.
* @param red Rotwert zwischen 0 und 255.
* @param green Grünwert zwischen 0 und 255.
* @param blue Blauwert zwischen 0 und 255.
* @param blue Blauwert zwischen 0 und 255.
*/
public Color( int red, int green, int blue ) {
this(red, green, blue, 255);
@@ -137,20 +135,18 @@ public class Color {
/**
* Erstellt eine Farbe. Die Parameter <var>red</var>, <var>green</var> und
* <var>blue</var> geben die Rot-, Grün- und Blauanteile der Farbe. Die Werte
* liegen zwischen 0 und 255.
* <var>blue</var> geben die Rot-, Grün- und Blauanteile der Farbe. Die
* Werte liegen zwischen 0 und 255.
* <var>alpha</var> gibt den den Transparentwert an (auch zwischen
* 0 und 255), wobei
* 0 komplett durchsichtig ist und 255 komplett
* deckend.
* 0 und 255), wobei 0 komplett durchsichtig ist und 255 komplett deckend.
*
* @param red Rotwert zwischen 0 und 255.
* @param red Rotwert zwischen 0 und 255.
* @param green Grünwert zwischen 0 und 255.
* @param blue Blauwert zwischen 0 und 255.
* @param blue Blauwert zwischen 0 und 255.
* @param alpha Transparentwert zwischen 0 und 255.
*/
public Color( int red, int green, int blue, int alpha ) {
rgba = (alpha << 24) | (red << 16) | (green << 8) | blue;
rgba = ((alpha&0xFF) << 24) | ((red&0xFF) << 16) | ((green&0xFF) << 8) | ((blue&0xFF) << 0);
}
/**
@@ -184,10 +180,11 @@ public class Color {
/**
* Interner Konstruktor für die Initialisierung einer Farbe mit einem
* RGBA-Wert.
*
* <p>
* Da der Konstruktor {@link #Color(int)} schon besetzt ist, muss hier der
* Parameter {@code isRGBA} auf {@code true} gesetzt werden, damit {@code rgba}
* korrekt interpretiert wird.
* Parameter {@code isRGBA} auf {@code true} gesetzt werden, damit
* {@code rgba} korrekt interpretiert wird.
*
* @param rgba RGBA-wert der Farbe.
* @param isRGBA Sollte immer {@code true} sein.
*/
@@ -210,12 +207,12 @@ public class Color {
return c;
}
public static Color getHSBColor(double h, double s, double b) {
return new Color(java.awt.Color.getHSBColor((float)h, (float)s, (float)b));
public static Color getHSBColor( double h, double s, double b ) {
return new Color(java.awt.Color.getHSBColor((float) h, (float) s, (float) b));
}
public static Color getHSLColor(double h, double s, double l) {
int rgb = Color.HSLtoRGB(new float[]{(float)h, (float)s, (float)l});
public static Color getHSLColor( double h, double s, double l ) {
int rgb = Color.HSLtoRGB(new float[]{(float) h, (float) s, (float) l});
return Color.getRGBColor(rgb);
}
@@ -235,9 +232,9 @@ public class Color {
}
/**
* Erzeugt eine Farbe aus einem hexadezimalen Code. Der Hexcode kann
* sechs- oder achtstellig sein (wenn ein Transparentwert vorhanden ist).
* Dem Code kann ein {@code #} Zeichen vorangestellt sein.
* Erzeugt eine Farbe aus einem hexadezimalen Code. Der Hexcode kann sechs-
* oder achtstellig sein (wenn ein Transparentwert vorhanden ist). Dem Code
* kann ein {@code #} Zeichen vorangestellt sein.
*
* @param hexcode
* @return
@@ -336,10 +333,11 @@ public class Color {
/**
* Konvertiert eine Farbe mit Komponenten im HSL-Farbraum in den
* RGB-Farbraum.
*
* <p>
* Die Farbkomponenten werden als Float-Array übergeben. Im Index 0 steht
* der h-Wert im Bereich 0 bis 360, Index 1 und 2 enthalten den s- und
* l-Wert im Bereich von 0 bis 1.
*
* @param hsl Die Farbkomponenten im HSL-Farbraum.
* @param alpha Ein Transparenzwert im Bereich 0 bis 255.
* @return Der RGBA-Wert der Farbe.
@@ -392,6 +390,7 @@ public class Color {
/**
* Erzeugt eine Kopie dieser Farbe.
*
* @return Ein neues Farbobjekt.
*/
public Color copy() {
@@ -400,10 +399,11 @@ public class Color {
/**
* Gibt den RGBA-Wert dieser Farbe zurück.
*
* Eine Farbe wird als 32-Bit Integer gespeichert. Bits 24-31 enthalten
* den Transparenzwert, 16-23 den Rotwert, 8-15 den Grünwert und 0-7 den
* <p>
* Eine Farbe wird als 32-Bit Integer gespeichert. Bits 24-31 enthalten den
* Transparenzwert, 16-23 den Rotwert, 8-15 den Grünwert und 0-7 den
* Blauwert der Farbe.
*
* @return Der RGBA-Wert der Farbe.
* @see #getRed()
* @see #getGreen()
@@ -416,6 +416,7 @@ public class Color {
/**
* Gibt den Rotwert dieser Farbe zurück.
*
* @return Der Rotwert der Farbe zwischen 0 und 255.
*/
public int getRed() {
@@ -424,6 +425,7 @@ public class Color {
/**
* Gibt den Grünwert dieser Farbe zurück.
*
* @return Der Grünwert der Farbe zwischen 0 und 255.
*/
public int getGreen() {
@@ -432,6 +434,7 @@ public class Color {
/**
* Gibt den Blauwert dieser Farbe zurück.
*
* @return Der Blauwert der Farbe zwischen 0 und 255.
*/
public int getBlue() {
@@ -440,6 +443,7 @@ public class Color {
/**
* Gibt den Transparenzwert dieser Farbe zurück.
*
* @return Der Transparenzwert der Farbe zwischen 0 und 255.
*/
public int getAlpha() {
@@ -448,9 +452,10 @@ public class Color {
/**
* Erzeugt ein {@link java.awt.Color}-Objekt aus dieser Farbe.
* <p>
* Das erzeugte Farbobjekt hat dieselben Rot-, Grün-, Blau- und
* Transparenzwerte wie diese Farbe.
*
* Das erzeugte Farbobjekt hat dieselben Rot-, Grün-, Blau-
* und Transparenzwerte wie diese Farbe.
* @return Ein Java-Farbobjekt.
*/
public java.awt.Color getJavaColor() {
@@ -468,11 +473,18 @@ public class Color {
* @return {@code true}, wenn die Objekte gleich sind, sonst {@code false}.
*/
public boolean equals( Object obj ) {
return obj instanceof Color && ((Color)obj).getRGBA() == this.rgba;
if( obj == null ) { return false; }
if( obj instanceof Color ) {
return ((Color) obj).getRGBA() == this.rgba;
} else if( obj instanceof java.awt.Color ) {
return ((java.awt.Color) obj).getRGB() == this.rgba;
}
return false;
}
/**
* Erzeugt einen Text-String, der diese Farbe beschreibt.
*
* @return Eine Textversion der Farbe.
*/
@Override
@@ -482,6 +494,7 @@ public class Color {
/**
* Berechnet einen Hashcode für dieses Farbobjekt.
*
* @return Ein Hashcode für diese Rabe.
*/
@Override
@@ -490,7 +503,8 @@ public class Color {
}
/**
* Erzeugt eine um 30% hellere Version dieser Farbe.
* Erzeugt eine um 30% hellere Version dieser Farbe.
*
* @return Ein Farbobjekt mit einer helleren Farbe.
*/
public Color brighter() {
@@ -499,6 +513,7 @@ public class Color {
/**
* Erzeugt eine um {@code percent} hellere Version dieser Farbe.
*
* @param percent Eine Prozentzahl zwischen 0 und 100.
* @return Ein Farbobjekt mit einer helleren Farbe.
*/
@@ -510,6 +525,7 @@ public class Color {
/**
* Erzeugt eine um 30% dunklere Version dieser Farbe.
*
* @return Ein Farbobjekt mit einer dunkleren Farbe.
*/
public Color darker() {
@@ -518,6 +534,7 @@ public class Color {
/**
* Erzeugt eine um {@code percent} dunklere Version dieser Farbe.
*
* @param percent Eine Prozentzahl zwischen 0 und 100.
* @return Ein Farbobjekt mit einer dunkleren Farbe.
*/
@@ -528,11 +545,12 @@ public class Color {
}
public Color greyscale() {
return new Color((int)(getRed()*.299 + getGreen()*.587 + getBlue()*0.114));
return new Color((int) (getRed() * .299 + getGreen() * .587 + getBlue() * 0.114));
}
/**
* Erzeugt eine zu dieser invertierte Farbe.
*
* @return Ein Farbobjekt mit der invertierten Farbe.
*/
public Color inverted() {
@@ -542,6 +560,7 @@ public class Color {
/**
* Erzeugt die Komplementärfarbe zu dieser.
*
* @return Ein Farbobjekt mit der Komplementärfarbe.
*/
public Color complement() {
@@ -554,11 +573,12 @@ public class Color {
* Wählt entweder {@link #WHITE weiß} oder {@link #BLACK schwarz} aus, je
* nachdem, welche der Farben besser als Textfarbe mit dieser Farbe als
* Hintergrund funktioniert (besser lesbar ist).
*
* @return Schwarz oder weiß.
*/
public Color textcolor() {
// Basiert auf https://stackoverflow.com/questions/946544/good-text-foreground-color-for-a-given-background-color
if( (getRed()*.299 + getGreen()*.587 + getBlue()*0.114) < 186 ) {
if( (getRed() * .299 + getGreen() * .587 + getBlue() * 0.114) < 186 ) {
return WHITE;
} else {
return BLACK;

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View File

@@ -191,7 +191,8 @@ public class DrawingLayer extends Layer {
}
public void pixel( double x, double y ) {
square(x, y, 1);
// square(x, y, 1);
buffer.setRGB((int)x, (int)y, fillColor.getRGBA());
}
public void square( double x, double y, double w ) {

View File

@@ -42,6 +42,7 @@ public final class Options {
public enum Direction {
CENTER(0, 0),
NORTH(0, -1),
EAST(1, 0),
SOUTH(0, 1),
@@ -49,14 +50,19 @@ public final class Options {
NORTHEAST(1, -1),
SOUTHEAST(1, 1),
NORTHWEST(-1, -1),
SOUTHWEST(-1, 1),
NORTHWEST(-1, -1),
MIDDLE(CENTER),
UP(NORTH),
RIGHT(EAST),
DOWN(SOUTH),
LEFT(WEST),
RIGHT(EAST);
UPLEFT(NORTHWEST),
DOWNLEFT(SOUTHWEST),
DOWNRIGHT(SOUTHEAST),
UPRIGHT(NORTHEAST);
public final byte x, y;

View File

@@ -1,7 +1,5 @@
package schule.ngb.zm;
import schule.ngb.zm.shapes.ShapesLayer;
import java.awt.Canvas;
import java.awt.Graphics;
import java.awt.Graphics2D;
@@ -37,12 +35,12 @@ public class Zeichenleinwand extends Canvas {
super.setSize(width, height);
this.setPreferredSize(this.getSize());
this.setMinimumSize(this.getSize());
this.setBackground(Constants.STD_BACKGROUND.getJavaColor());
this.setBackground(Constants.DEFAULT_BACKGROUND.getJavaColor());
// Liste der Ebenen initialisieren und die Standardebenen einfügen
layers = new LinkedList<>();
synchronized( layers ) {
layers.add(new ColorLayer(width, height, Constants.STD_BACKGROUND));
layers.add(new ColorLayer(width, height, Constants.DEFAULT_BACKGROUND));
}
}

View File

@@ -277,8 +277,8 @@ public class Zeichenmaschine extends Constants {
}
// Wir kennen nun den Bildschirm und können die Breite / Höhe abrufen.
this.width = width;
this.height = height;
this.canvasWidth = width;
this.canvasHeight = height;
java.awt.Rectangle displayBounds = displayDevice.getDefaultConfiguration().getBounds();
this.screenWidth = (int) displayBounds.getWidth();
this.screenHeight = (int) displayBounds.getHeight();
@@ -291,6 +291,7 @@ public class Zeichenmaschine extends Constants {
// Das Icon des Fensters ändern
try {
// TODO: Add image sizes
ImageIcon icon = new ImageIcon(ImageIO.read(new File("res/icon_64.png")));
if( MACOS ) {
@@ -334,7 +335,10 @@ public class Zeichenmaschine extends Constants {
frame.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing( WindowEvent e ) {
exit();
//exit();
teardown();
cleanup();
quit(true);
}
});
@@ -408,8 +412,8 @@ public class Zeichenmaschine extends Constants {
frame.setResizable(false); // Should be set anyway
displayDevice.setFullScreenWindow(frame);
// Update width / height
initialWidth = width;
initialHeight = height;
initialWidth = canvasWidth;
initialHeight = canvasHeight;
changeSize(screenWidth, screenHeight);
// Register ESC as exit fullscreen
canvas.addKeyListener(fullscreenExitListener);
@@ -595,11 +599,11 @@ public class Zeichenmaschine extends Constants {
* @see #setFullscreen(boolean)
*/
private void changeSize( int newWidth, int newHeight ) {
width = Math.min(Math.max(newWidth, 100), screenWidth);
height = Math.min(Math.max(newHeight, 100), screenHeight);
canvasWidth = Math.min(Math.max(newWidth, 100), screenWidth);
canvasHeight = Math.min(Math.max(newHeight, 100), screenHeight);
if( canvas != null ) {
canvas.setSize(width, height);
canvas.setSize(canvasWidth, canvasHeight);
}
}
@@ -629,7 +633,7 @@ public class Zeichenmaschine extends Constants {
* @return Die Breite der {@link Zeichenleinwand}.
*/
public final int getWidth() {
return width;
return canvasWidth;
}
/**
@@ -638,7 +642,7 @@ public class Zeichenmaschine extends Constants {
* @return Die Höhe der {@link Zeichenleinwand}.
*/
public final int getHeight() {
return height;
return canvasHeight;
}
/**
@@ -718,7 +722,7 @@ public class Zeichenmaschine extends Constants {
public final ColorLayer getBackgroundLayer() {
ColorLayer layer = canvas.getLayer(ColorLayer.class);
if( layer == null ) {
layer = new ColorLayer(STD_BACKGROUND);
layer = new ColorLayer(DEFAULT_BACKGROUND);
canvas.addLayer(0, layer);
}
return layer;
@@ -812,7 +816,7 @@ public class Zeichenmaschine extends Constants {
BufferedImage img = ImageLoader.createImage(canvas.getWidth(), canvas.getHeight());
Graphics2D g = img.createGraphics();
g.setColor(STD_BACKGROUND.getJavaColor());
g.setColor(DEFAULT_BACKGROUND.getJavaColor());
g.fillRect(0, 0, img.getWidth(), img.getHeight());
canvas.draw(g);
g.dispose();
@@ -836,7 +840,7 @@ public class Zeichenmaschine extends Constants {
BufferedImage img = ImageLoader.createImage(canvas.getWidth(), canvas.getHeight());
Graphics2D g = img.createGraphics();
g.setColor(STD_BACKGROUND.getJavaColor());
g.setColor(DEFAULT_BACKGROUND.getJavaColor());
g.fillRect(0, 0, img.getWidth(), img.getHeight());
canvas.draw(g);
g.dispose();
@@ -1033,7 +1037,7 @@ public class Zeichenmaschine extends Constants {
* @param delta
*/
public void update( double delta ) {
//running = !run_once;
running = !run_once;
stop_after_update = run_once;
}
@@ -1048,7 +1052,7 @@ public class Zeichenmaschine extends Constants {
* dar, da hier die Zeichnung des Programms erstellt wird.
*/
public void draw() {
running = !stop_after_update;
//running = !stop_after_update;
}
/**
@@ -1166,7 +1170,7 @@ public class Zeichenmaschine extends Constants {
break;
case MouseEvent.MOUSE_RELEASED:
mousePressed = false;
mouseButton = NOBUTTON;
mouseButton = NOMOUSE;
mousePressed(evt);
break;
case MouseEvent.MOUSE_DRAGGED:

View File

@@ -0,0 +1,26 @@
package schule.ngb.zm.anim;
import schule.ngb.zm.events.EventDispatcher;
public class Animation {
EventDispatcher<Animation, AnimationListener> eventDispatcher;
private EventDispatcher<Animation, AnimationListener> initializeEventDispatcher() {
if( eventDispatcher == null ) {
eventDispatcher = new EventDispatcher<>();
eventDispatcher.registerEventType("start", ( a, l ) -> l.animationStarted(a));
eventDispatcher.registerEventType("stop", ( a, l ) -> l.animationStopped(a));
}
return eventDispatcher;
}
public void addListener( AnimationListener listener ) {
initializeEventDispatcher().addListener(listener);
}
public void removeListener( AnimationListener listener ) {
initializeEventDispatcher().removeListener(listener);
}
}

View File

@@ -0,0 +1,11 @@
package schule.ngb.zm.anim;
import schule.ngb.zm.events.Listener;
public interface AnimationListener extends Listener<Animation> {
void animationStarted( Animation anim );
void animationStopped( Animation anim );
}

View File

@@ -0,0 +1,200 @@
package schule.ngb.zm.anim;
import schule.ngb.zm.Color;
import schule.ngb.zm.Constants;
import schule.ngb.zm.Vector;
import schule.ngb.zm.tasks.FrameSynchronizedTask;
import schule.ngb.zm.tasks.TaskRunner;
import schule.ngb.zm.util.Log;
import schule.ngb.zm.util.Validator;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.concurrent.Future;
import java.util.function.*;
public class Animations {
public static final <T> Future<T> animateProperty( String propName, T target, double to, int runtime, DoubleUnaryOperator easing ) {
double from;
try {
from = callGetter(target, propName, double.class);
} catch( InvocationTargetException | NoSuchMethodException |
IllegalAccessException ex ) {
throw new RuntimeException("Can't access property getter for animation.", ex);
}
Method propSetter;
try {
propSetter = findSetter(target, propName, double.class);
} catch( NoSuchMethodException ex ) {
throw new RuntimeException("Can't find property setter for animation.", ex);
}
return animateProperty(target, from, to, runtime, easing, ( d ) -> {
try {
propSetter.invoke(target, d);
} catch( IllegalAccessException | InvocationTargetException e ) {
throw new RuntimeException("Can't access property setter for animation.", e);
}
});
}
public static final <T> Future<T> animateProperty( String propName, T target, Color to, int runtime, DoubleUnaryOperator easing ) {
Color from;
try {
from = callGetter(target, propName, Color.class);
} catch( InvocationTargetException | NoSuchMethodException |
IllegalAccessException ex ) {
throw new RuntimeException("Can't access property getter for animation.", ex);
}
Method propSetter;
try {
propSetter = findSetter(target, propName, Color.class);
} catch( NoSuchMethodException ex ) {
throw new RuntimeException("Can't find property setter for animation.", ex);
}
return animateProperty(target, from, to, runtime, easing, ( d ) -> {
try {
propSetter.invoke(target, d);
} catch( IllegalAccessException | InvocationTargetException e ) {
throw new RuntimeException("Can't access property setter for animation.", e);
}
});
}
public static final <T> Future<T> animateProperty( String propName, T target, Vector to, int runtime, DoubleUnaryOperator easing ) {
Vector from;
try {
from = callGetter(target, propName, Vector.class);
} catch( InvocationTargetException | NoSuchMethodException |
IllegalAccessException ex ) {
throw new RuntimeException("Can't access property getter for animation.", ex);
}
Method propSetter;
try {
propSetter = findSetter(target, propName, Vector.class);
} catch( NoSuchMethodException ex ) {
throw new RuntimeException("Can't find property setter for animation.", ex);
}
return animateProperty(target, from, to, runtime, easing, ( d ) -> {
try {
propSetter.invoke(target, d);
} catch( IllegalAccessException | InvocationTargetException e ) {
throw new RuntimeException("Can't access property setter for animation.", e);
}
});
}
private static final <T, R> R callGetter( T target, String propName, Class<R> propType ) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
String getterName = makeMethodName("get", propName);
Method getter = target.getClass().getMethod(getterName);
if( getter != null && getter.getReturnType().equals(propType) ) {
return (R) getter.invoke(target);
} else {
throw new NoSuchMethodException(String.format("No getter for property <%s> found.", propName));
}
}
private static final <T, R> Method findSetter( T target, String propName, Class<R> propType ) throws NoSuchMethodException {
String setterName = makeMethodName("set", propName);
Method setter = target.getClass().getMethod(setterName, propType);
if( setter != null && setter.getReturnType().equals(void.class) && setter.getParameterCount() == 1 ) {
return setter;
} else {
throw new NoSuchMethodException(String.format("No setter for property <%s> found.", propName));
}
}
private static final String makeMethodName( String prefix, String propName ) {
String firstChar = propName.substring(0, 1).toUpperCase();
String tail = "";
if( propName.length() > 1 ) {
tail = propName.substring(1);
}
return prefix + firstChar + tail;
}
public static final <T> Future<T> animateProperty( T target, final double from, final double to, int runtime, DoubleUnaryOperator easing, DoubleConsumer propSetter ) {
Validator.requireNotNull(target);
Validator.requireNotNull(propSetter);
return animate(target, runtime, easing, ( e ) -> propSetter.accept(Constants.interpolate(from, to, e)));
}
public static final <T> Future<T> animateProperty( T target, final Color from, final Color to, int runtime, DoubleUnaryOperator easing, Consumer<Color> propSetter ) {
return animate(target, runtime, easing, ( e ) -> propSetter.accept(Color.interpolate(from, to, e)));
}
public static final <T> Future<T> animateProperty( T target, final Vector from, final Vector to, int runtime, DoubleUnaryOperator easing, Consumer<Vector> propSetter ) {
return animate(target, runtime, easing, ( e ) -> propSetter.accept(Vector.interpolate(from, to, e)));
}
public static final <T, R> Future<T> animateProperty( T target, R from, R to, int runtime, DoubleUnaryOperator easing, DoubleFunction<R> interpolator, Consumer<R> propSetter ) {
return animate(target, runtime, easing, interpolator, ( t, r ) -> propSetter.accept(r));
}
public static final <T, R> Future<T> animate( T target, int runtime, DoubleUnaryOperator easing, DoubleFunction<R> interpolator, BiConsumer<T, R> applicator ) {
return animate(target, runtime, easing, ( e ) -> applicator.accept(target, interpolator.apply(e)));
}
public static final <T> Future<T> animate( T target, int runtime, DoubleUnaryOperator easing, DoubleConsumer stepper ) {
/*final long starttime = System.currentTimeMillis();
return TaskRunner.run(() -> {
double t = 0.0;
do {
// One animation step for t in [0,1]
stepper.accept(easing.applyAsDouble(t));
try {
Thread.sleep(1000 / Constants.framesPerSecond);
} catch( InterruptedException ex ) {
}
t = (double) (System.currentTimeMillis() - starttime) / (double) runtime;
} while( t < 1.0 );
stepper.accept(easing.applyAsDouble(1.0));
}, target);*/
return TaskRunner.run(new FrameSynchronizedTask() {
double t = 0.0;
final long starttime = System.currentTimeMillis();
@Override
public void update( double delta ) {
// One animation step for t in [0,1]
stepper.accept(easing.applyAsDouble(t));
t = (double) (System.currentTimeMillis() - starttime) / (double) runtime;
running = (t <= 1.0);
}
@Override
protected void finish() {
stepper.accept(easing.applyAsDouble(1.0));
}
}, target);
}
public static final <T, R> Future<T> animate( T target, int runtime, Animator<T, R> animator ) {
return animate(
target, runtime,
animator::easing,
animator::interpolator,
animator::applicator
);
}
/*public static <T> Future<?> animate( Animation<T> animation ) {
animation.start();
return null;
}
public static <T> Future<?> animate( Animation<T> animation, DoubleUnaryOperator easing ) {
animation.start(easing);
return null;
}*/
public static final Log LOG = Log.getLogger(Animations.class);
}

View File

@@ -0,0 +1,11 @@
package schule.ngb.zm.anim;
public interface Animator<T, R> {
double easing(double t);
R interpolator(double e);
void applicator(T target, R value);
}

View File

@@ -0,0 +1,320 @@
package schule.ngb.zm.anim;
import java.util.function.DoubleUnaryOperator;
/**
* @see <a href="https://easings.net/de">Cheat Sheet für Easing-Funktionen</a>
*/
public class Easing {
public static final DoubleUnaryOperator DEFAULT_EASING = Easing::smooth;
public static final DoubleUnaryOperator thereAndBack() {
return Easing::thereAndBack;
}
public static final DoubleUnaryOperator thereAndBack( final DoubleUnaryOperator baseEasing ) {
return ( t ) -> thereAndBack(t, baseEasing);
}
public static final double thereAndBack( double t ) {
return thereAndBack(t, DEFAULT_EASING);
}
public static final double thereAndBack( double t, DoubleUnaryOperator baseEasing ) {
if( t < 0.5 ) {
return baseEasing.applyAsDouble(2 * t);
} else {
return baseEasing.applyAsDouble(2 - 2 * t);
}
}
public static final DoubleUnaryOperator halfAndHalf( final DoubleUnaryOperator firstEasing, final DoubleUnaryOperator secondEasing ) {
return ( t ) -> halfAndHalf(t, firstEasing, secondEasing);
}
public static final DoubleUnaryOperator halfAndHalf( final DoubleUnaryOperator firstEasing, final DoubleUnaryOperator secondEasing, final double split ) {
return ( t ) -> halfAndHalf(t, firstEasing, secondEasing, split);
}
public static final double halfAndHalf( double t, DoubleUnaryOperator firstEasing, DoubleUnaryOperator secondEasing ) {
return halfAndHalf(t, firstEasing, secondEasing, 0.5);
}
public static final double halfAndHalf( double t, DoubleUnaryOperator firstEasing, DoubleUnaryOperator secondEasing, double split ) {
if( t < split ) {
return firstEasing.applyAsDouble(2 * t);
} else {
return secondEasing.applyAsDouble(1 - 2 * t);
}
}
/*
* Functions taken from easings.net
*/
public static final DoubleUnaryOperator linear() {
return Easing::linear;
}
public static final double linear( double t ) {
return t;
}
public static final DoubleUnaryOperator quadIn() {
return Easing::quadIn;
}
public static final double quadIn( double t ) {
return t * t;
}
public static final DoubleUnaryOperator quadOut() {
return Easing::quadOut;
}
public static final double quadOut( double t ) {
return 1 - (1 - t) * (1 - t);
}
public static final DoubleUnaryOperator quadInOut() {
return Easing::quadInOut;
}
public static final double quadInOut( double t ) {
return t < 0.5 ? 2 * t * t : 1 - Math.pow(-2 * t + 2, 2) / 2;
}
public static final DoubleUnaryOperator cubicIn() {
return Easing::cubicIn;
}
public static final double cubicIn( double t ) {
return t * t * t;
}
public static final DoubleUnaryOperator cubicOut() {
return Easing::cubicOut;
}
public static final double cubicOut( double t ) {
return 1 - Math.pow(1 - t, 3);
}
public static final DoubleUnaryOperator cubicInOut() {
return Easing::cubicInOut;
}
public static final double cubicInOut( double t ) {
return t < 0.5 ? 4 * t * t * t : 1 - Math.pow(-2 * t + 2, 3) / 2;
}
public static final DoubleUnaryOperator sineIn() {
return Easing::sineIn;
}
public static final double sineIn( double t ) {
return 1 - Math.cos((t * Math.PI) / 2);
}
public static final DoubleUnaryOperator sineOut() {
return Easing::sineOut;
}
public static final double sineOut( double t ) {
return Math.sin((t * Math.PI) / 2);
}
public static final DoubleUnaryOperator sineInOut() {
return Easing::sineInOut;
}
public static final double sineInOut( double t ) {
return -(Math.cos(Math.PI * t) - 1) / 2;
}
public static final DoubleUnaryOperator elasticIn() {
return Easing::elasticIn;
}
public static final double elasticIn( double t ) {
double c4 = (2 * Math.PI) / 3;
return t == 0
? 0
: t == 1
? 1
: -Math.pow(2, 10 * t - 10) * Math.sin((t * 10 - 10.75) * c4);
}
public static final DoubleUnaryOperator elasticOut() {
return Easing::elasticOut;
}
public static final double elasticOut( double t ) {
double c4 = (2 * Math.PI) / 3;
return t == 0
? 0
: t == 1
? 1
: Math.pow(2, -10 * t) * Math.sin((t * 10 - 0.75) * c4) + 1;
}
public static final DoubleUnaryOperator elasticInOut() {
return Easing::elasticInOut;
}
public static final double elasticInOut( double t ) {
double c5 = (2 * Math.PI) / 4.5;
return t == 0
? 0
: t == 1
? 1
: t < 0.5
? -(Math.pow(2, 20 * t - 10) * Math.sin((20 * t - 11.125) * c5)) / 2
: (Math.pow(2, -20 * t + 10) * Math.sin((20 * t - 11.125) * c5)) / 2 + 1;
}
public static final DoubleUnaryOperator bounceIn() {
return Easing::bounceIn;
}
public static final double bounceIn( double t ) {
return 1 - bounceOut(1 - t);
}
public static final DoubleUnaryOperator bounceOut() {
return Easing::bounceOut;
}
public static final double bounceOut( double t ) {
double n1 = 7.5625;
double d1 = 2.75;
if( t < 1.0 / d1 ) {
return n1 * t * t;
} else if( t < 2.0 / d1 ) {
return n1 * (t -= 1.5 / d1) * t + 0.75;
} else if( t < 2.5 / d1 ) {
return n1 * (t -= 2.25 / d1) * t + 0.9375;
} else {
return n1 * (t -= 2.625 / d1) * t + 0.984375;
}
}
public static final DoubleUnaryOperator bounceInOut() {
return Easing::bounceInOut;
}
public static final double bounceInOut( double t ) {
return t < 0.5
? (1 - bounceOut(1 - 2 * t)) / 2
: (1 + bounceOut(2 * t - 1)) / 2;
}
public static final DoubleUnaryOperator backIn() {
return Easing::backIn;
}
public static final double backIn( double t ) {
double c1 = 1.70158;
double c3 = c1 + 1;
return c3 * t * t * t - c1 * t * t;
}
public static final DoubleUnaryOperator backOut() {
return Easing::backOut;
}
public static final double backOut( double t ) {
double c1 = 1.70158;
double c3 = c1 + 1;
return 1 + c3 * Math.pow(t - 1, 3) + c1 * Math.pow(t - 1, 2);
}
public static final DoubleUnaryOperator backInOut() {
return Easing::backInOut;
}
public static final double backInOut( double t ) {
double c1 = 1.70158;
double c2 = c1 * 1.525;
return t < 0.5
? (Math.pow(2 * t, 2) * ((c2 + 1) * 2 * t - c2)) / 2
: (Math.pow(2 * t - 2, 2) * ((c2 + 1) * (t * 2 - 2) + c2) + 2) / 2;
}
/*
* Functions from manim community
*/
public static final DoubleUnaryOperator smooth() {
return Easing::smooth;
}
public static final double smooth( double t ) {
double error = sigmoid(-INFLECTION / 2.0);
return Math.min(
Math.max(
(sigmoid(INFLECTION * (t - 0.5)) - error) / (1 - 2 * error),
0
),
1.0
);
}
public static final double rushIn( double t ) {
return 2 * smooth(t / 2.0);
}
public static final double rushOut( double t ) {
return 2 * smooth(t / 2.0 + 0.5) - 1;
}
public static final double doubleSmooth( double t ) {
if( t < 0.5 )
return 0.5 * smooth(2 * t);
else
return 0.5 * (1 + smooth(2 * t - 1));
}
public static final double hobbit( double t ) {
double new_t = t < 0.5 ? 2 * t : 2 * (1 - t);
return smooth(new_t);
}
public static final DoubleUnaryOperator wiggle() {
return Easing::wiggle;
}
public static final DoubleUnaryOperator wiggle( final int wiggles ) {
return (t) -> Easing.wiggle(t, wiggles);
}
public static final double wiggle( double t ) {
return wiggle(t, 2);
}
public static final double wiggle( double t, int wiggles ) {
return hobbit(t) * Math.sin(wiggles * Math.PI * t);
}
public static double INFLECTION = 10.0;
public static final double sigmoid( double x ) {
return 1.0 / (1 + Math.exp(-x));
}
private Easing() {
}
}

View File

@@ -0,0 +1,58 @@
package schule.ngb.zm.events;
import schule.ngb.zm.util.Validator;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.function.BiConsumer;
public class EventDispatcher<E, L extends Listener<E>> {
private CopyOnWriteArraySet<L> listeners;
private ConcurrentMap<String, BiConsumer<E, L>> eventRegistry;
public EventDispatcher() {
listeners = new CopyOnWriteArraySet<>();
eventRegistry = new ConcurrentHashMap<>();
}
public void registerEventType( String eventKey, BiConsumer<E, L> dispatcher ) {
Validator.requireNotNull(eventKey);
Validator.requireNotNull(dispatcher);
if( !eventRegistered(eventKey) ) {
eventRegistry.put(eventKey, dispatcher);
}
}
public void addListener( L listener ) {
listeners.add(listener);
}
public void removeListener( L listener ) {
listeners.remove(listener);
}
public boolean hasListeners() {
return !listeners.isEmpty();
}
public boolean eventRegistered( String eventKey ) {
return eventRegistry.containsKey(eventKey);
}
public void dispatchEvent( String eventKey, final E event ) {
Validator.requireNotNull(eventKey);
Validator.requireNotNull(event);
if( eventRegistered(eventKey) ) {
final BiConsumer<E, L> dispatcher = eventRegistry.get(eventKey);
listeners.forEach(( listener ) -> {
dispatcher.accept(event, listener);
});
}
}
}

View File

@@ -0,0 +1,7 @@
package schule.ngb.zm.events;
public interface Listener<E> {
}

View File

@@ -5,6 +5,8 @@ package schule.ngb.zm.media;
*/
public interface Audio {
String getSource();
/**
* Prüft, ob das Medium gerade abgespielt wird.
*

View File

@@ -0,0 +1,11 @@
package schule.ngb.zm.media;
import schule.ngb.zm.events.Listener;
public interface AudioListener extends Listener<Audio> {
void start( Audio source );
void stop( Audio source );
}

View File

@@ -41,6 +41,10 @@ public class Mixer implements Audio {
this.audios = new ArrayList<>(4);
}
public String getSource() {
return "";
}
public void add( Audio pAudio ) {
add(pAudio, 1f);
}
@@ -50,6 +54,13 @@ public class Mixer implements Audio {
pAudio.setVolume(pVolumeFactor * volume);
}
public void remove( Audio pAudio ) {
}
public void removeAll() {
audios.clear();
}
/**
* {@inheritDoc}
*/

View File

@@ -1,5 +1,8 @@
package schule.ngb.zm.media;
import schule.ngb.zm.anim.Animation;
import schule.ngb.zm.anim.AnimationListener;
import schule.ngb.zm.events.EventDispatcher;
import schule.ngb.zm.tasks.TaskRunner;
import schule.ngb.zm.util.Log;
import schule.ngb.zm.util.ResourceStreamProvider;
@@ -55,17 +58,17 @@ public class Music implements Audio {
*/
private float volume = 0.8f;
/**
* Erstellt eine Musik aus der angegebenen Datei oder Webadresse.
*
* @param source Ein Dateipfad oder eine Webadresse.
* @throws NullPointerException Falls die Quelle {@code null} ist.
*/
EventDispatcher<Audio, AudioListener> eventDispatcher;
public Music( String source ) {
Validator.requireNotNull(source);
this.audioSource = source;
}
public String getSource() {
return audioSource;
}
/**
* {@inheritDoc}
*/
@@ -191,6 +194,9 @@ public class Music implements Audio {
private void stream() {
audioLine.start();
playing = true;
if( eventDispatcher != null ) {
eventDispatcher.dispatchEvent("start", Music.this);
}
byte[] bytesBuffer = new byte[BUFFER_SIZE];
int bytesRead = -1;
@@ -217,6 +223,9 @@ public class Music implements Audio {
playing = false;
streamingStopped();
if( eventDispatcher != null ) {
eventDispatcher.dispatchEvent("stop", Music.this);
}
}
private boolean openLine() {
@@ -270,6 +279,28 @@ public class Music implements Audio {
}
}
public void addListener( AudioListener listener ) {
initializeEventDispatcher().addListener(listener);
}
public void removeListener( AudioListener listener ) {
initializeEventDispatcher().removeListener(listener);
}
/**
* Interne Methode, um den Listener-Mechanismus zu initialisieren. Wird erst
* aufgerufen, soblad sich auch ein Listener registrieren möchte.
* @return
*/
private EventDispatcher<Audio, AudioListener> initializeEventDispatcher() {
if( eventDispatcher == null ) {
eventDispatcher = new EventDispatcher<>();
eventDispatcher.registerEventType("start", (a,l) -> l.start(a));
eventDispatcher.registerEventType("stop", (a,l) -> l.stop(a));
}
return eventDispatcher;
}
private static final Log LOG = Log.getLogger(Music.class);
}

View File

@@ -7,7 +7,6 @@ import schule.ngb.zm.util.Validator;
import javax.sound.sampled.*;
import java.io.IOException;
import java.io.InputStream;
import java.util.logging.Logger;
/**
* Wiedergabe kurzer Soundclips, die mehrmals wiederverwendet werden.
@@ -66,6 +65,10 @@ public class Sound implements Audio {
this.audioSource = source;
}
public String getSource() {
return audioSource;
}
/**
* {@inheritDoc}
*/
@@ -245,7 +248,7 @@ public class Sound implements Audio {
}
try {
InputStream in = ResourceStreamProvider.getResourceStream(audioSource);
InputStream in = ResourceStreamProvider.getInputStream(audioSource);
if( in != null ) {
AudioInputStream audioStream = AudioSystem.getAudioInputStream(in);
AudioFormat format = audioStream.getFormat();

View File

@@ -0,0 +1,183 @@
package schule.ngb.zm.ml;
import java.util.Arrays;
import java.util.function.DoubleUnaryOperator;
import java.util.stream.IntStream;
// See https://github.com/wheresvic/neuralnet
public final class MLMath {
public static double sigmoid( double x ) {
return 1 / (1 + Math.exp(-x));
}
public static double sigmoidDerivative( double x ) {
return x * (1 - x);
}
public static double tanh( double x ) {
return Math.tanh(x);
}
public static double tanhDerivative( double x ) {
return 1 - Math.tanh(x) * Math.tanh(x);
}
public static double[] normalize( double[] vector ) {
final double sum = Arrays.stream(vector).sum();
return Arrays.stream(vector).map(( d ) -> d / sum).toArray();
}
public static double[][] matrixMultiply( double[][] A, double[][] B ) {
int a = A.length, b = A[0].length, c = B[0].length;
if( B.length != b ) {
throw new IllegalArgumentException(
String.format("Matrix A needs equal columns to matrix B rows. (Currently <%d> vs <%d>)", a, B.length)
);
}
return IntStream.range(0, a).parallel().mapToObj(
( i ) -> IntStream.range(0, c).mapToDouble(
( j ) -> IntStream.range(0, b).mapToDouble(
( k ) -> A[i][k] * B[k][j]
).sum()
).toArray()
).toArray(double[][]::new);
}
public static double[][] matrixScale( final double[][] A, final double[][] S ) {
if( A.length != S.length || A[0].length != S[0].length ) {
throw new IllegalArgumentException("Matrices need to be same size.");
}
return IntStream.range(0, A.length).parallel().mapToObj(
( i ) -> IntStream.range(0, A[i].length).mapToDouble(
( j ) -> A[i][j] * S[i][j]
).toArray()
).toArray(double[][]::new);
}
public static double[][] matrixSub( double[][] A, double[][] B ) {
if( A.length != B.length || A[0].length != B[0].length ) {
throw new IllegalArgumentException("Cannot subtract unequal matrices");
}
return IntStream.range(0, A.length).parallel().mapToObj(
( i ) -> IntStream.range(0, A[i].length).mapToDouble(
( j ) -> A[i][j] - B[i][j]
).toArray()
).toArray(double[][]::new);
}
public static double[][] matrixAdd( double[][] A, double[][] B ) {
if( A.length != B.length || A[0].length != B[0].length ) {
throw new IllegalArgumentException("Cannot add unequal matrices");
}
return IntStream.range(0, A.length).parallel().mapToObj(
( i ) -> IntStream.range(0, A[i].length).mapToDouble(
( j ) -> A[i][j] + B[i][j]
).toArray()
).toArray(double[][]::new);
}
public static double[][] matrixTranspose( double[][] matrix ) {
int a = matrix.length, b = matrix[0].length;
double[][] result = new double[matrix[0].length][matrix.length];
for( int i = 0; i < a; i++ ) {
for( int j = 0; j < b; ++j ) {
result[j][i] = matrix[i][j];
}
}
return result;
}
public static double[][] matrixApply( double[][] A, DoubleUnaryOperator op ) {
return Arrays.stream(A).parallel().map(
( arr ) -> Arrays.stream(arr).map(op).toArray()
).toArray(double[][]::new);
}
public static double[][] copyMatrix( double[][] matrix ) {
/*return Arrays.stream(matrix).map(
(arr) -> Arrays.copyOf(arr, arr.length)
).toArray(double[][]::new);*/
double[][] result = new double[matrix.length][matrix[0].length];
for( int i = 0; i < matrix.length; i++ ) {
result[i] = Arrays.copyOf(matrix[i], matrix[i].length);
}
return result;
}
public static double[] toVector( double[][] matrix ) {
return Arrays.stream(matrix).mapToDouble(
( arr ) -> arr[0]
).toArray();
}
public static double[][] toMatrix( double[] vector ) {
return Arrays.stream(vector).mapToObj(
( d ) -> new double[]{d}
).toArray(double[][]::new);
}
public static double entropy(double[][] A, double[][] Y, int batch_size) {
int m = A.length;
int n = A[0].length;
double[][] z = new double[m][n];
for (int i = 0; i < m; i++) {
for (int j = 0; j < n; j++) {
z[i][j] = (Y[i][j] * Math.log(A[i][j])) + ((1 - Y[i][j]) * Math.log(1 - A[i][j]));
}
}
double sum = 0;
for (int i = 0; i < m; i++) {
for (int j = 0; j < n; j++) {
sum += z[i][j];
}
}
return -sum / batch_size;
}
public static double[][] biasAdd( double[][] A, double[] V ) {
if( A[0].length != V.length ) {
throw new IllegalArgumentException("Can't add bias vector to matrix with wrong column count");
}
double[][] result = new double[A.length][A[0].length];
for( int j = 0; j < A[0].length; j++ ) {
for( int i = 0; i < A.length; i++ ) {
result[i][j] = A[i][j] + V[j];
}
}
return result;
}
public static double[] biasAdjust( double[] biases, double[][] delta ) {
if( biases.length != delta[0].length ) {
throw new IllegalArgumentException("Can't add adjust bias vector by delta with wrong column count");
}
double[] result = new double[biases.length];
for( int j = 0; j < delta[0].length; j++ ) {
for( int i = 0; i < delta.length; i++ ) {
result[j] += biases[j] - delta[i][j];
}
result[j] /= delta.length;
}
return result;
}
private MLMath() {
}
}

View File

@@ -0,0 +1,82 @@
package schule.ngb.zm.ml;
import schule.ngb.zm.Constants;
import java.util.Arrays;
// TODO: Move Math into Matrix class
// TODO: Implement support for optional sci libs
public class Matrix {
private int columns, rows;
double[][] coefficients;
public Matrix( int rows, int cols ) {
this.rows = rows;
this.columns = cols;
coefficients = new double[rows][cols];
}
public Matrix( double[][] coefficients ) {
this.coefficients = coefficients;
this.rows = coefficients.length;
this.columns = coefficients[0].length;
}
public int getColumns() {
return columns;
}
public int getRows() {
return rows;
}
public double[][] getCoefficients() {
return coefficients;
}
public double get( int row, int col ) {
return coefficients[row][col];
}
public void initializeRandom() {
coefficients = MLMath.matrixApply(coefficients, (d) -> Constants.randomGaussian());
}
public void initializeRandom( double lower, double upper ) {
coefficients = MLMath.matrixApply(coefficients, (d) -> ((upper-lower) * (Constants.randomGaussian()+1) * .5) + lower);
}
public void initializeIdentity() {
initializeZero();
for( int i = 0; i < Math.min(rows, columns); i++ ) {
this.coefficients[i][i] = 1.0;
}
}
public void initializeOne() {
coefficients = MLMath.matrixApply(coefficients, (d) -> 1.0);
}
public void initializeZero() {
coefficients = MLMath.matrixApply(coefficients, (d) -> 0.0);
}
@Override
public String toString() {
//return Arrays.deepToString(coefficients);
StringBuilder sb = new StringBuilder();
sb.append('[');
sb.append('\n');
for( int i = 0; i < coefficients.length; i++ ) {
sb.append('\t');
sb.append(Arrays.toString(coefficients[i]));
sb.append('\n');
}
sb.append(']');
return sb.toString();
}
}

View File

@@ -0,0 +1,194 @@
package schule.ngb.zm.ml;
import schule.ngb.zm.util.Log;
import schule.ngb.zm.util.ResourceStreamProvider;
import java.io.*;
import java.util.LinkedList;
import java.util.List;
import java.util.NoSuchElementException;
public class NeuralNetwork {
public static void saveToFile( String source, NeuralNetwork network ) {
try(
Writer writer = ResourceStreamProvider.getWriter(source);
PrintWriter out = new PrintWriter(writer)
) {
for( NeuronLayer layer: network.layers ) {
out.print(layer.getNeuronCount());
out.print(' ');
out.print(layer.getInputCount());
out.println();
for( int i = 0; i < layer.getInputCount(); i++ ) {
for( int j = 0; j < layer.getNeuronCount(); j++ ) {
out.print(layer.weights.coefficients[i][j]);
out.print(' ');
}
out.println();
}
for( int j = 0; j < layer.getNeuronCount(); j++ ) {
out.print(layer.biases[j]);
out.print(' ');
}
out.println();
}
out.flush();
} catch( IOException ex ) {
LOG.warn(ex, "");
}
}
public static NeuralNetwork loadFromFile( String source ) {
try(
Reader reader = ResourceStreamProvider.getReader(source);
BufferedReader in = new BufferedReader(reader)
) {
List<NeuronLayer> layers = new LinkedList<>();
String line;
while( (line = in.readLine()) != null ) {
String[] split = line.split(" ");
int neurons = Integer.parseInt(split[0]);
int inputs = Integer.parseInt(split[1]);
NeuronLayer layer = new NeuronLayer(neurons, inputs);
for( int i = 0; i < inputs; i++ ) {
split = in.readLine().split(" ");
for( int j = 0; j < neurons; j++ ) {
layer.weights.coefficients[i][j] = Double.parseDouble(split[j]);
}
}
// Load Biases
split = in.readLine().split(" ");
for( int j = 0; j < neurons; j++ ) {
layer.biases[j] = Double.parseDouble(split[j]);
}
layers.add(layer);
}
return new NeuralNetwork(layers);
} catch( IOException | NoSuchElementException ex ) {
LOG.warn(ex, "Could not load neural network from source <%s>", source);
}
return null;
}
/*public static NeuralNetwork loadFromFile( String source ) {
try(
InputStream stream = ResourceStreamProvider.getInputStream(source);
Scanner in = new Scanner(stream)
) {
List<NeuronLayer> layers = new LinkedList<>();
while( in.hasNext() ) {
int neurons = in.nextInt();
int inputs = in.nextInt();
NeuronLayer layer = new NeuronLayer(neurons, inputs);
for( int i = 0; i < inputs; i++ ) {
for( int j = 0; j < neurons; j++ ) {
layer.weights.coefficients[i][j] = in.nextDouble();
}
}
for( int j = 0; j < neurons; j++ ) {
layer.biases[j] = in.nextDouble();
}
layers.add(layer);
}
return new NeuralNetwork(layers);
} catch( IOException | NoSuchElementException ex ) {
LOG.warn(ex, "Could not load neural network from source <%s>", source);
}
return null;
}*/
private NeuronLayer[] layers;
private double[][] output;
private double learningRate = 0.1;
public NeuralNetwork( int inputs, int layer1, int outputs ) {
this(new NeuronLayer(layer1, inputs), new NeuronLayer(outputs, layer1));
}
public NeuralNetwork( int inputs, int layer1, int layer2, int outputs ) {
this(new NeuronLayer(layer1, inputs), new NeuronLayer(layer2, layer1), new NeuronLayer(outputs, layer2));
}
public NeuralNetwork( int inputs, int layer1, int layer2, int layer3, int outputs ) {
this(new NeuronLayer(layer1, inputs), new NeuronLayer(layer2, layer1), new NeuronLayer(layer3, layer2), new NeuronLayer(outputs, layer3));
}
public NeuralNetwork( List<NeuronLayer> layers ) {
this.layers = new NeuronLayer[layers.size()];
for( int i = 0; i < layers.size(); i++ ) {
this.layers[i] = layers.get(i);
if( i > 0 ) {
this.layers[i-1].setNextLayer(this.layers[i]);
}
}
}
public NeuralNetwork( NeuronLayer... layers ) {
this.layers = new NeuronLayer[layers.length];
for( int i = 0; i < layers.length; i++ ) {
this.layers[i] = layers[i];
if( i > 0 ) {
this.layers[i-1].setNextLayer(this.layers[i]);
}
}
}
public int getLayerCount() {
return layers.length;
}
public NeuronLayer[] getLayers() {
return layers;
}
public NeuronLayer getLayer( int i ) {
return layers[i - 1];
}
public double getLearningRate() {
return learningRate;
}
public void setLearningRate( double pLearningRate ) {
this.learningRate = pLearningRate;
}
public double[][] getOutput() {
return output;
}
public double[][] predict( double[][] inputs ) {
//this.output = layers[1].apply(layers[0].apply(inputs));
this.output = layers[0].apply(inputs);
return this.output;
}
public void learn( double[][] expected ) {
layers[layers.length - 1].backprop(expected, learningRate);
}
public void train( double[][] inputs, double[][] expected, int iterations/*, double minChange, int timeout */ ) {
for( int i = 0; i < iterations; i++ ) {
// pass the training set through the network
predict(inputs);
// start backpropagation through all layers
learn(expected);
if( i % 10000 == 0 ) {
LOG.trace("Training iteration %d of %d", i, iterations);
}
}
}
private static final Log LOG = Log.getLogger(NeuralNetwork.class);
}

View File

@@ -0,0 +1,167 @@
package schule.ngb.zm.ml;
import java.util.Arrays;
import java.util.function.DoubleUnaryOperator;
import java.util.function.Function;
public class NeuronLayer implements Function<double[][], double[][]> {
public static NeuronLayer fromArray( double[][] weights ) {
NeuronLayer layer = new NeuronLayer(weights[0].length, weights.length);
for( int i = 0; i < weights[0].length; i++ ) {
for( int j = 0; j < weights.length; j++ ) {
layer.weights.coefficients[i][j] = weights[i][j];
}
}
return layer;
}
public static NeuronLayer fromArray( double[][] weights, double[] biases ) {
NeuronLayer layer = new NeuronLayer(weights[0].length, weights.length);
for( int i = 0; i < weights[0].length; i++ ) {
for( int j = 0; j < weights.length; j++ ) {
layer.weights.coefficients[i][j] = weights[i][j];
}
}
for( int j = 0; j < biases.length; j++ ) {
layer.biases[j] = biases[j];
}
return layer;
}
Matrix weights;
double[] biases;
NeuronLayer previous, next;
DoubleUnaryOperator activationFunction, activationFunctionDerivative;
double[][] lastOutput, lastInput;
public NeuronLayer( int neurons, int inputs ) {
weights = new Matrix(inputs, neurons);
weights.initializeRandom(-1, 1);
biases = new double[neurons];
Arrays.fill(biases, 0.0); // TODO: Random?
activationFunction = MLMath::sigmoid;
activationFunctionDerivative = MLMath::sigmoidDerivative;
}
public void connect( NeuronLayer prev, NeuronLayer next ) {
setPreviousLayer(prev);
setNextLayer(next);
}
public NeuronLayer getPreviousLayer() {
return previous;
}
public boolean hasPreviousLayer() {
return previous != null;
}
public void setPreviousLayer( NeuronLayer pPreviousLayer ) {
this.previous = pPreviousLayer;
if( pPreviousLayer != null ) {
pPreviousLayer.next = this;
}
}
public NeuronLayer getNextLayer() {
return next;
}
public boolean hasNextLayer() {
return next != null;
}
public void setNextLayer( NeuronLayer pNextLayer ) {
this.next = pNextLayer;
if( pNextLayer != null ) {
pNextLayer.previous = this;
}
}
public Matrix getWeights() {
return weights;
}
public int getNeuronCount() {
return weights.coefficients[0].length;
}
public int getInputCount() {
return weights.coefficients.length;
}
public double[][] getLastOutput() {
return lastOutput;
}
public void setWeights( double[][] newWeights ) {
weights.coefficients = MLMath.copyMatrix(newWeights);
}
public void adjustWeights( double[][] adjustment ) {
weights.coefficients = MLMath.matrixAdd(weights.coefficients, adjustment);
}
@Override
public String toString() {
return weights.toString() + "\n" + Arrays.toString(biases);
}
@Override
public double[][] apply( double[][] inputs ) {
lastInput = inputs;
lastOutput = MLMath.matrixApply(
MLMath.biasAdd(
MLMath.matrixMultiply(inputs, weights.coefficients),
biases
),
activationFunction
);
if( next != null ) {
return next.apply(lastOutput);
} else {
return lastOutput;
}
}
@Override
public <V> Function<V, double[][]> compose( Function<? super V, ? extends double[][]> before ) {
return ( in ) -> apply(before.apply(in));
}
@Override
public <V> Function<double[][], V> andThen( Function<? super double[][], ? extends V> after ) {
return ( in ) -> after.apply(apply(in));
}
public void backprop( double[][] expected, double learningRate ) {
double[][] error, delta, adjustment;
if( next == null ) {
error = MLMath.matrixSub(expected, this.lastOutput);
} else {
error = MLMath.matrixMultiply(expected, MLMath.matrixTranspose(next.weights.coefficients));
}
delta = MLMath.matrixScale(error, MLMath.matrixApply(this.lastOutput, this.activationFunctionDerivative));
// Hier schon leraningRate anwenden?
// See https://towardsdatascience.com/understanding-and-implementing-neural-networks-in-java-from-scratch-61421bb6352c
//delta = MLMath.matrixApply(delta, ( x ) -> learningRate * x);
if( previous != null ) {
previous.backprop(delta, learningRate);
}
biases = MLMath.biasAdjust(biases, MLMath.matrixApply(delta, ( x ) -> learningRate * x));
adjustment = MLMath.matrixMultiply(MLMath.matrixTranspose(lastInput), delta);
adjustment = MLMath.matrixApply(adjustment, ( x ) -> learningRate * x);
this.adjustWeights(adjustment);
}
}

View File

@@ -168,8 +168,7 @@ public abstract class Shape extends FilledShape {
* <p>
* Unterklassen sollten diese Methode überschreiben, um weitere
* Eigenschaften zu kopieren (zum Beispiel den Radius eines Kreises). Mit
* dem Aufruf
* {@code super.copyFrom(shape)} sollten die Basiseigenschaften
* dem Aufruf {@code super.copyFrom(shape)} sollten die Basiseigenschaften
* kopiert werden.
*
* @param shape
@@ -243,7 +242,7 @@ public abstract class Shape extends FilledShape {
}
public void alignTo( Options.Direction dir, double buff ) {
Point2D anchorShape = Shape.getAnchorPoint(width, height, dir);
Point2D anchorShape = Shape.getAnchorPoint(canvasWidth, canvasHeight, dir);
Point2D anchorThis = this.getAbsAnchorPoint(dir);
this.x += Math.abs(dir.x) * (anchorShape.getX() - anchorThis.getX()) + dir.x * buff;

View File

@@ -5,6 +5,7 @@ import schule.ngb.zm.Options;
import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;
import java.awt.geom.Path2D;
import java.awt.geom.Point2D;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
@@ -28,9 +29,20 @@ import java.util.List;
* benötigen, erst nach Hinzufügen der Gruppenelemente ausgeführt werden.
* Nachdem sich die Zusammensetzung der Gruppe geändert hat, muss die Gruppe
* ggf. neu ausgerichtet werden.
* <p>
* Für die Ausrichtung der Elemente in einer Gruppe können
* {@link #arrange(Options.Direction, double)},
* {@link #arrangeInGrid(int, Options.Direction, double, int)} und
* {@link #align(Options.Direction)} verwendet werden, die jeweils die Position
* der Formen in der Gruppe ändern und nicht die Position der Gruppe selbst (so
* wie z.B. {@link #alignTo(Shape, Options.Direction)}.
*/
public class ShapeGroup extends Shape {
public static final int ARRANGE_ROWS = 0;
public static final int ARRANGE_COLS = 1;
private List<Shape> shapes;
private double groupWidth = -1.0;
@@ -132,6 +144,111 @@ public class ShapeGroup extends Shape {
return groupHeight;
}
public void arrange( Options.Direction dir, double buffer ) {
Shape last = null;
for( Shape s : shapes ) {
if( last != null ) {
s.nextTo(last, dir, buffer);
} else {
s.moveTo(0, 0);
}
last = s;
}
invalidateBounds();
}
public void arrangeInRows( int n, Options.Direction dir, double buffer ) {
arrangeInGrid(n, dir, buffer, ARRANGE_ROWS);
}
public void arrangeInColumns( int n, Options.Direction dir, double buffer ) {
arrangeInGrid(n, dir, buffer, ARRANGE_COLS);
}
public void arrangeInGrid( int n, Options.Direction dir, double buffer, int mode ) {
// Calculate grid size
int rows, cols;
if( mode == ARRANGE_ROWS ) {
rows = n;
cols = (int) ceil(shapes.size() / n);
} else {
cols = n;
rows = (int) ceil(shapes.size() / n);
}
// Calculate grid cell size
double maxHeight = shapes.stream().mapToDouble(
( s ) -> s.getHeight()
).reduce(0.0, Double::max);
double maxWidth = shapes.stream().mapToDouble(
( s ) -> s.getWidth()
).reduce(0.0, Double::max);
double halfHeight = maxHeight * .5;
double halfWidth = maxWidth * .5;
// Layout shapes
for( int i = 0; i < shapes.size(); i++ ) {
// Calculate center of grid cell
int row, col;
switch( dir ) {
case UP:
case NORTH:
row = rows - i % rows;
col = cols - (i / rows);
break;
case LEFT:
case WEST:
row = rows - (i / cols);
col = cols - i % cols;
break;
case RIGHT:
case EAST:
row = i / cols;
col = i % cols;
break;
case DOWN:
case SOUTH:
default:
row = i % rows;
col = i / rows;
break;
}
double centerX = halfWidth + col * (maxWidth + buffer);
double centerY = halfHeight + row * (maxHeight + buffer);
// Move shape to proper anchor location in cell
Shape s = shapes.get(i);
Point2D ap = Shape.getAnchorPoint(maxWidth, maxHeight, s.getAnchor());
s.moveTo(centerX + ap.getX(), centerY + ap.getY());
}
invalidateBounds();
}
public void align( Options.Direction dir ) {
Shape target = shapes.stream().reduce(null,
( t, s ) -> {
if( t == null ) return s;
Point2D apt = t.getAbsAnchorPoint(dir);
Point2D aps = s.getAbsAnchorPoint(dir);
if( apt.getX() * dir.x >= aps.getX() * dir.x && apt.getY() * dir.y >= aps.getY() * dir.y ) {
return t;
} else {
return s;
}
}
);
for( Shape s : shapes ) {
if( s != target ) {
s.alignTo(target, dir);
}
}
invalidateBounds();
}
private void invalidateBounds() {
groupWidth = -1.0;
groupHeight = -1.0;
@@ -148,6 +265,25 @@ public class ShapeGroup extends Shape {
maxy = Math.max(maxy, bounds.y + bounds.height);
}
//groupWidth = maxx - minx;
//groupHeight = maxy - miny;
groupWidth = maxx;
groupHeight = maxy;
}
public void pack() {
double minx = Double.MAX_VALUE, miny = Double.MAX_VALUE,
maxx = Double.MIN_VALUE, maxy = Double.MIN_VALUE;
for( Shape pShape : shapes ) {
Bounds bounds = pShape.getBounds();
minx = Math.min(minx, bounds.x);
maxx = Math.max(maxx, bounds.x + bounds.width);
miny = Math.min(miny, bounds.y);
maxy = Math.max(maxy, bounds.y + bounds.height);
}
x = minx;
y = miny;
groupWidth = maxx - minx;
groupHeight = maxy - miny;
}

View File

@@ -4,8 +4,14 @@ import schule.ngb.zm.Color;
import schule.ngb.zm.Constants;
import schule.ngb.zm.Drawable;
import schule.ngb.zm.Options;
import schule.ngb.zm.util.Noise;
import java.awt.*;
import java.awt.Shape;
import java.awt.geom.FlatteningPathIterator;
import java.awt.geom.GeneralPath;
import java.awt.geom.PathIterator;
import java.util.Arrays;
public abstract class StrokedShape extends Constants implements Drawable {
@@ -26,7 +32,7 @@ public abstract class StrokedShape extends Constants implements Drawable {
this.strokeColor = color;
}
public void setStrokeColor( Color color , int alpha ) {
public void setStrokeColor( Color color, int alpha ) {
setStrokeColor(new Color(color, alpha));
}
@@ -66,10 +72,11 @@ public abstract class StrokedShape extends Constants implements Drawable {
/**
* Setzt den Typ der Kontur. Erlaubte Werte sind {@link #DASHED},
* {@link #DOTTED} und {@link #SOLID}.
*
* @param type
*/
public void setStrokeType( Options.StrokeType type ) {
this.strokeType = DASHED;
this.strokeType = type;
this.stroke = null;
}
@@ -78,9 +85,11 @@ public abstract class StrokedShape extends Constants implements Drawable {
/**
* Erstellt ein {@link Stroke} Objekt für den Konturtyp.
*
* @return
*/
protected Stroke createStroke() {
// TODO: Used global cached Stroke Objects?
if( stroke == null ) {
switch( strokeType ) {
case DOTTED:

View File

@@ -0,0 +1,87 @@
package schule.ngb.zm.util;
import java.io.IOException;
import java.net.URISyntaxException;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
public final class FileLoader {
public static final Charset ASCII = StandardCharsets.US_ASCII;
public static final Charset UTF8 = StandardCharsets.UTF_8;
public static final Charset UTF16 = StandardCharsets.UTF_16;
public static final Charset ISO_8859_1 = StandardCharsets.ISO_8859_1;
public static List<String> loadLines( String source ) {
return loadLines(source, UTF8);
}
public static List<String> loadLines( String source, Charset charset ) {
try {
return Files.readAllLines(Paths.get(ResourceStreamProvider.getResourceURL(source).toURI()), charset);
} catch( IOException | URISyntaxException ex ) {
LOG.warn(ex, "Error while loading lines from source <%s>", source);
}
return Collections.EMPTY_LIST;
}
public static String loadText( String source ) {
return loadText(source, UTF8);
}
public static String loadText( String source, Charset charset ) {
try {
return Files.readString(Paths.get(ResourceStreamProvider.getResourceURL(source).toURI()), charset);
} catch( IOException | URISyntaxException ex ) {
LOG.warn(ex, "Error while loading text from source <%s>", source);
}
return "";
}
public static double[][] loadDoubles( String source, char separator, boolean skipFirst ) {
return loadDoubles(source, separator, skipFirst, UTF8);
}
public static double[][] loadDoubles( String source, char separator, boolean skipFirst, Charset charset ) {
try {
int n = skipFirst ? 1 : 0;
return Files
.lines(Paths.get(ResourceStreamProvider.getResourceURL(source).toURI()), charset)
.skip(n)
.map(
( line ) -> Arrays
.stream(line.split(Character.toString(separator)))
.mapToDouble(
( value ) -> {
try {
return Double.parseDouble(value);
} catch( NumberFormatException nfe ) {
return 0.0;
}
}
).toArray()
).toArray(double[][]::new);
} catch( IOException | URISyntaxException ex ) {
LOG.warn(ex, "Error while loading double values from csv source <%s>", source);
}
return new double[0][0];
}
public FileLoader() {
}
private static final Log LOG = Log.getLogger(FileLoader.class);
}

View File

@@ -34,7 +34,7 @@ public class FontLoader {
}
// Load userfonts
try( InputStream in = ResourceStreamProvider.getResourceStream(source) ) {
try( InputStream in = ResourceStreamProvider.getInputStream(source) ) {
font = Font.createFont(Font.TRUETYPE_FONT, in).deriveFont(Font.PLAIN);
if( font != null ) {

View File

@@ -13,11 +13,9 @@ import java.io.IOException;
import java.io.InputStream;
import java.lang.ref.SoftReference;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.ConcurrentHashMap;
import java.util.logging.Logger;
public class ImageLoader {
public final class ImageLoader {
public static boolean caching = true;
@@ -29,7 +27,7 @@ public class ImageLoader {
* Lädt ein Bild von der angegebenen Quelle {@code source}.
* <p>
* Die Bilddatei wird nach den Regeln von
* {@link ResourceStreamProvider#getResourceStream(String)} gesucht und
* {@link ResourceStreamProvider#getInputStream(String)} gesucht und
* geöffnet. Tritt dabei ein Fehler auf oder konnte keine passende Datei
* gefunden werden, wird {@code null} zurückgegeben.
* <p>
@@ -70,7 +68,7 @@ public class ImageLoader {
}
BufferedImage img = null;
try( InputStream in = ResourceStreamProvider.getResourceStream(source) ) {
try( InputStream in = ResourceStreamProvider.getInputStream(source) ) {
//URL url = ResourceStreamProvider.getResourceURL(source);
//BufferedImage img = ImageIO.read(url);

View File

@@ -0,0 +1,366 @@
package schule.ngb.zm.util;
import java.util.Random;
/**
* Zufallsgenerator für Perlin-Noise.
* <p>
* Die Implementierung basiert auf dem von Ken Perlin entwickelten Algorithmus
* und wurde anhand der <a
* href="https://adrianb.io/2014/08/09/perlinnoise.html">Beschreibung von
* FLAFLA2</a> implementiert.
*/
public class Noise {
private static final int N = 256;
private static final int M = N - 1;
/**
* Interne Permutationstabelle für diesen Generator
*/
private int[] p;
private double octaves = 1, persistence = .5;
private double frequency = 1;
private double amplitude = 1;
private int repeat = -1;
private double rangeMin = 0.0, rangeMax = 1.0;
public Noise() {
this(null);
}
public Noise( long seed ) {
init(new Random(seed));
}
/**
* Initialisiert diesen Perlin-Noise mit dem angegebenen Zufallsgenerator.
*
* @param rand
*/
public Noise( Random rand ) {
init(rand);
}
public double getOctaves() {
return octaves;
}
public void setOctaves( double pOctaves ) {
this.octaves = pOctaves;
}
public double getPersistence() {
return persistence;
}
public void setPersistence( double pPersistence ) {
this.persistence = pPersistence;
}
public double getFrequency() {
return frequency;
}
public void setFrequency( double pFrequency ) {
this.frequency = pFrequency;
}
public double getAmplitude() {
return amplitude;
}
public void setAmplitude( double pAmplitude ) {
this.amplitude = pAmplitude;
}
public void setRange( double pRangeMin, double pRangeMax ) {
this.rangeMin = pRangeMin;
this.rangeMax = pRangeMax;
}
public double getRangeMin() {
return rangeMin;
}
public double getRangeMax() {
return rangeMax;
}
public int getRepeat() {
return repeat;
}
public void setRepeat( int pRepeat ) {
this.repeat = pRepeat;
}
public double noise( double x ) {
double total = 0;
double freq = this.frequency;
double amp = this.amplitude;
double maxValue = 0;
for( int i = 0; i < octaves; i++ ) {
total += perlin(x * freq) * amp;
maxValue += amp;
amp *= persistence;
freq *= 2;
}
return lerp(rangeMin, rangeMax, (total / maxValue));
}
public double noise( double x, double y ) {
double total = 0;
double freq = this.frequency;
double amp = this.amplitude;
double maxValue = 0;
for( int i = 0; i < octaves; i++ ) {
total += perlin(x * freq, y * freq) * amp;
maxValue += amp;
amp *= persistence;
freq *= 2;
}
return lerp(rangeMin, rangeMax, (total / maxValue));
}
public double noise( double x, double y, double z ) {
double total = 0;
double freq = this.frequency;
double amp = this.amplitude;
double maxValue = 0;
for( int i = 0; i < octaves; i++ ) {
total += perlin(x * freq, y * freq, z * freq) * amp;
maxValue += amp;
amp *= persistence;
freq *= 2;
}
return lerp(rangeMin, rangeMax, (total / maxValue));
}
private double perlin( double x ) {
// @formatter:off
if( repeat > 0 ) {
x %= repeat;
}
int xi = (int)x & M;
double xf = x - (int)x;
double u = fade(xf);
int a, b;
a = p[ xi ];
b = p[inc(xi)];
return (lerp(grad(a,xf), grad(b,xf-1), u) + 1) / 2;
// @formatter:on
}
private double perlin( double x, double y ) {
// @formatter:off
if( repeat > 0 ) {
x %= repeat;
y %= repeat;
}
int xi = (int) x & M;
int yi = (int) y & M;
double xf = x - (int) x;
double yf = y - (int) y;
double u = fade(xf);
double v = fade(yf);
int aa, ab, ba, bb;
aa = p[p[ xi ] + yi ];
ab = p[p[ xi ] + inc(yi)];
ba = p[p[inc(xi)] + yi ];
bb = p[p[inc(xi)] + inc(yi)];
double x1, x2;
x1 = lerp(
grad(aa, xf , yf),
grad(ba, xf-1, yf),
u);
x2 = lerp(
grad(ab, xf , yf-1),
grad(bb, xf-1, yf-1),
u);
return (lerp(x1, x2, v) + 1) / 2;
// @formatter:on
}
private double perlin( double x, double y, double z ) {
// @formatter:off
if( repeat > 0 ) {
x %= repeat;
y %= repeat;
z %= repeat;
}
int xi = (int)x & M;
int yi = (int)y & M;
int zi = (int)z & M;
double xf = x - (int)x;
double yf = y - (int)y;
double zf = z - (int)z;
double u = fade(xf);
double v = fade(yf);
double w = fade(zf);
int aaa, aba, aab, abb, baa, bba, bab, bbb;
aaa = p[p[p[ xi ] + yi ] + zi ];
aba = p[p[p[ xi ] + inc(yi)] + zi ];
aab = p[p[p[ xi ] + yi ] + inc(zi)];
abb = p[p[p[ xi ] + inc(yi)] + inc(zi)];
baa = p[p[p[inc(xi)] + yi ] + zi ];
bba = p[p[p[inc(xi)] + inc(yi)] + zi ];
bab = p[p[p[inc(xi)] + yi ] + inc(zi)];
bbb = p[p[p[inc(xi)] + inc(yi)] + inc(zi)];
double x1, x2, y1, y2;
x1 = lerp(
grad(aaa, xf , yf, zf),
grad(baa, xf-1, yf, zf),
u);
x2 = lerp(
grad(aba, xf , yf-1, zf),
grad(bba, xf-1, yf-1, zf),
u);
y1 = lerp(x1, x2, v);
x1 = lerp(
grad(aab, xf , yf, zf-1),
grad(bab, xf-1, yf, zf-1),
u);
x2 = lerp(
grad(abb, xf , yf-1, zf-1),
grad(bbb, xf-1, yf-1, zf-1),
u);
y2 = lerp(x1, x2, v);
return (lerp(y1, y2, w) + 1) / 2;
// @formatter:on
}
public void init( Random rand ) {
p = new int[N * 2];
if( rand == null ) {
System.arraycopy(PERLIN_PERMUTATION, 0, p, 0, N);
} else {
// Generate random permutation
for( int i = 0; i < N; i++ ) {
int n = rand.nextInt(N);
if( p[n] == 0 )
p[n] = i;
else
i--;
}
}
// Duplicate permutation array to prevent overflow errors
System.arraycopy(p, 0, p, N, N);
}
private double fade( double t ) {
return t * t * t * (t * (t * 6 - 15) + 10);
}
private double lerp( double a, double b, double t ) {
return a + t * (b - a);
}
private int inc( int i ) {
++i;
if( repeat > 0 )
i = i % repeat;
return i;
}
private double grad( int hash, double x ) {
switch( hash & 0x1 ) {
// @formatter:off
case 0x0: return x;
case 0x1: return -x;
default: return 0;
// @formatter:on
}
}
private double grad( int hash, double x, double y ) {
switch( hash & 0x3 ) {
// @formatter:off
case 0x0: return x;
case 0x1: return -x;
case 0x2: return y;
case 0x3: return -y;
default: return 0;
// @formatter:on
}
}
private double grad( int hash, double x, double y, double z ) {
switch( hash & 0xF ) {
// @formatter:off
case 0x0: return x + y;
case 0x1: return -x + y;
case 0x2: return x - y;
case 0x3: return -x - y;
case 0x4: return x + z;
case 0x5: return -x + z;
case 0x6: return x - z;
case 0x7: return -x - z;
case 0x8: return y + z;
case 0x9: return -y + z;
case 0xA: return y - z;
case 0xB: return -y - z;
case 0xC: return y + x;
case 0xD: return -y + z;
case 0xE: return y - x;
case 0xF: return -y - z;
default: return 0; // never happens
// @formatter:on
}
}
private static final int[] PERLIN_PERMUTATION = new int[]{
151, 160, 137, 91, 90, 15,
131, 13, 201, 95, 96, 53, 194, 233, 7, 225, 140, 36, 103, 30, 69, 142, 8, 99, 37, 240, 21, 10, 23,
190, 6, 148, 247, 120, 234, 75, 0, 26, 197, 62, 94, 252, 219, 203, 117, 35, 11, 32, 57, 177, 33,
88, 237, 149, 56, 87, 174, 20, 125, 136, 171, 168, 68, 175, 74, 165, 71, 134, 139, 48, 27, 166,
77, 146, 158, 231, 83, 111, 229, 122, 60, 211, 133, 230, 220, 105, 92, 41, 55, 46, 245, 40, 244,
102, 143, 54, 65, 25, 63, 161, 1, 216, 80, 73, 209, 76, 132, 187, 208, 89, 18, 169, 200, 196,
135, 130, 116, 188, 159, 86, 164, 100, 109, 198, 173, 186, 3, 64, 52, 217, 226, 250, 124, 123,
5, 202, 38, 147, 118, 126, 255, 82, 85, 212, 207, 206, 59, 227, 47, 16, 58, 17, 182, 189, 28, 42,
223, 183, 170, 213, 119, 248, 152, 2, 44, 154, 163, 70, 221, 153, 101, 155, 167, 43, 172, 9,
129, 22, 39, 253, 19, 98, 108, 110, 79, 113, 224, 232, 178, 185, 112, 104, 218, 246, 97, 228,
251, 34, 242, 193, 238, 210, 144, 12, 191, 179, 162, 241, 81, 51, 145, 235, 249, 14, 239, 107,
49, 192, 214, 31, 181, 199, 106, 157, 184, 84, 204, 176, 115, 121, 50, 45, 127, 4, 150, 254,
138, 236, 205, 93, 222, 114, 67, 29, 24, 72, 243, 141, 128, 195, 78, 66, 215, 61, 156, 180
};
}

View File

@@ -3,10 +3,9 @@ package schule.ngb.zm.util;
import schule.ngb.zm.Zeichenmaschine;
import java.io.*;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.logging.Level;
import java.util.logging.LogManager;
import java.util.logging.Logger;
import java.util.stream.StreamSupport;
/**
* Helferklasse, um {@link InputStream}s für Resourcen zu erhalten.
@@ -50,15 +49,11 @@ public class ResourceStreamProvider {
* einer bestehenden Resource oder falls
* keine passende Resource gefunden wurde.
*/
public static InputStream getResourceStream( String source ) throws NullPointerException, IllegalArgumentException, IOException {
if( source == null ) {
throw new NullPointerException("Resource source may not be null");
}
if( source.length() == 0 ) {
throw new IllegalArgumentException("Resource source may not be empty.");
}
public static InputStream getInputStream( String source ) throws NullPointerException, IllegalArgumentException, IOException {
Validator.requireNotNull(source, "Resource source may not be null");
Validator.requireNotEmpty(source, "Resource source may not be empty.");
InputStream in;
InputStream in = null;
// See if source is a readable file
File file = new File(source);
@@ -72,7 +67,9 @@ public class ResourceStreamProvider {
}
// File does not exist, try other means
// load ressource relative to .class-file
in = Zeichenmaschine.class.getResourceAsStream(source);
if( in == null ) {
in = Zeichenmaschine.class.getResourceAsStream(source);
}
// relative to ClassLoader
if( in == null ) {
@@ -89,6 +86,16 @@ public class ResourceStreamProvider {
return in;
}
public static InputStream getInputStream( File file ) throws IOException {
Validator.requireNotNull(file, "Provided file can't be null.");
return new FileInputStream(file);
}
public static InputStream getInputStream( URL url ) throws IOException {
Validator.requireNotNull(url, "Provided URL can't be null.");
return url.openStream();
}
/**
* Ermittelt zur angegebenen Quelle einen passenden {@link URL} (<em>Unified
* Resource Locator</em>). Eine passende Datei-Resource wird wie folgt
@@ -119,12 +126,8 @@ public class ResourceStreamProvider {
* einer bestehenden Resource.
*/
public static URL getResourceURL( String source ) throws NullPointerException, IllegalArgumentException, IOException {
if( source == null ) {
throw new NullPointerException("Resource source may not be null");
}
if( source.length() == 0 ) {
throw new IllegalArgumentException("Resource source may not be empty.");
}
Validator.requireNotNull(source, "Resource source may not be null");
Validator.requireNotEmpty(source, "Resource source may not be empty.");
File file = new File(source);
if( file.isFile() ) {
@@ -146,20 +149,24 @@ public class ResourceStreamProvider {
return new URL(source);
}
public static InputStream getResourceStream( File file ) throws FileNotFoundException, SecurityException {
if( file == null ) {
throw new NullPointerException("Provided file can't be null.");
}
public static OutputStream getOutputStream( String source ) throws IOException {
Validator.requireNotNull(source, "Resource source may not be null");
Validator.requireNotEmpty(source, "Resource source may not be empty.");
return new FileInputStream(file);
return getOutputStream(new File(source));
}
public static InputStream getResourceStream( URL url ) throws IOException {
if( url == null ) {
throw new NullPointerException("Provided URL can't be null.");
}
public static OutputStream getOutputStream( File file ) throws IOException {
Validator.requireNotNull(file, "Provided file can't be null.");
return new FileOutputStream(file);
}
return url.openStream();
public static Reader getReader( String source ) throws IOException {
return new InputStreamReader(getInputStream(source));
}
public static Writer getWriter( String source ) throws IOException {
return new OutputStreamWriter(getOutputStream(source));
}
private ResourceStreamProvider() {

View File

@@ -136,8 +136,27 @@ public class Validator {
}
*/
public static final <T> T[] requireNotEmpty( T[] arr ) {
return requireNotEmpty(arr, (Supplier<String>)null);
}
public static final <T> T[] requireNotEmpty( T[] arr, CharSequence msg ) {
return requireNotEmpty(arr, msg::toString);
}
public static final <T> T[] requireNotEmpty( T[] arr, Supplier<String> msg ) {
return requireSize(arr, 0, ()->"Parameter array may not be empty");
if( arr.length == 0 )
throw new IllegalArgumentException(msg == null ? String.format("Parameter array may not be empty") : msg.get());
return arr;
}
public static final <T> T[] requireSize( T[] arr, int size ) {
return requireSize(arr, size, (Supplier<String>)null);
}
public static final <T> T[] requireSize( T[] arr, int size, CharSequence msg ) {
return requireSize(arr, size, msg::toString);
}
public static final <T> T[] requireSize( T[] arr, int size, Supplier<String> msg ) {
@@ -146,6 +165,20 @@ public class Validator {
return arr;
}
public static final <T> T[] requireValid( T[] arr ) {
return requireValid(arr, (Supplier<String>)null);
}
public static final<T> T[] requireValid( T[] arr, CharSequence msg ) {
return requireValid(arr, msg::toString);
}
public static final <T> T[] requireValid( T[] arr, Supplier<String> msg ) {
if( arr == null || arr.length > 0 )
throw new IllegalArgumentException(msg == null ? String.format("Parameter array may not be null or empty") : msg.get());
return arr;
}
private Validator() {
}

View File

@@ -17,9 +17,9 @@ class ColorTest {
assertEquals(255, c.getAlpha());
c = Color.BLUE;
assertEquals(0, c.getRed());
assertEquals(0, c.getGreen());
assertEquals(255, c.getBlue());
assertEquals(49, c.getRed());
assertEquals(197, c.getGreen());
assertEquals(244, c.getBlue());
assertEquals(255, c.getAlpha());
c = new Color(50, 133, 64, 33);
@@ -28,7 +28,7 @@ class ColorTest {
assertEquals(64, c.getBlue());
assertEquals(33, c.getAlpha());
c = new Color(255, 0, 0);
c = new Color(240, 80, 37);
assertEquals(Color.RED, c);
c = new Color(33, 50);
@@ -97,8 +97,9 @@ class ColorTest {
assertEquals(c1, c2);
Color yellow = new Color(255, 255, 0);
assertEquals(java.awt.Color.YELLOW, yellow);
assertNotEquals(java.awt.Color.YELLOW, Color.YELLOW);
assertNotEquals(java.awt.Color.YELLOW, yellow);
assertEquals(yellow, java.awt.Color.YELLOW);
assertNotEquals(Color.YELLOW, java.awt.Color.YELLOW);
}
@Test
@@ -132,7 +133,7 @@ class ColorTest {
@Test
void getRGBColor() {
Color c1 = Color.getRGBColor(0xFFFF0000);
Color c1 = Color.getRGBColor(0xFFF05025);
assertEquals(Color.RED, c1);
}
@@ -157,7 +158,7 @@ class ColorTest {
Color c;
float[] hsl;
c = Color.RED;
c = new Color(255, 0, 0);
hsl = Color.RGBtoHSL(c.getRGBA(), null);
assertArrayEquals(new float[]{0f,1f,.5f}, hsl, 0.0001f);
@@ -183,28 +184,37 @@ class ColorTest {
@Test
void getRGBA() {
Color yellow = new Color(255, 255, 0);
assertEquals(java.awt.Color.YELLOW.getRGB(), Color.YELLOW.getRGBA());
assertEquals(java.awt.Color.YELLOW.getRGB(), yellow.getRGBA());
}
@Test
void getRed() {
Color clr = new Color(123, 92, 0);
assertEquals(123, clr.getRed());
}
@Test
void getGreen() {
Color clr = new Color(123, 92, 0);
assertEquals(92, clr.getGreen());
}
@Test
void getBlue() {
Color clr = new Color(123, 92, 0);
assertEquals(0, clr.getBlue());
}
@Test
void getAlpha() {
Color clr = new Color(123, 92, 0);
assertEquals(255, clr.getAlpha());
Color clr2 = new Color(123, 92, 0, 45);
assertEquals(45, clr2.getAlpha());
}
@Test
void getJavaColor() {
assertEquals(java.awt.Color.YELLOW, Color.YELLOW.getJavaColor());
assertEquals(new java.awt.Color(255, 31, 124), new Color(255, 31, 124).getJavaColor());
}
@@ -212,16 +222,8 @@ class ColorTest {
void brighter() {
}
@Test
void testBrighter() {
}
@Test
void darker() {
}
@Test
void testDarker() {
}
}

View File

@@ -71,23 +71,23 @@ class ConstantsTest {
}
@Test
void b() {
assertTrue(Constants.getBool(true));
assertFalse(Constants.getBool(false));
assertTrue(Constants.getBool(1));
assertFalse(Constants.getBool(0));
assertTrue(Constants.getBool(4.0));
assertFalse(Constants.getBool(0.0));
assertTrue(Constants.getBool(4.0f));
assertFalse(Constants.getBool(0.0f));
assertTrue(Constants.getBool(4L));
assertFalse(Constants.getBool(0L));
assertTrue(Constants.getBool("true"));
assertTrue(Constants.getBool("True"));
assertFalse(Constants.getBool("1"));
assertFalse(Constants.getBool("false"));
assertFalse(Constants.getBool("yes"));
assertFalse(Constants.getBool("no"));
void asBool() {
assertTrue(Constants.asBool(true));
assertFalse(Constants.asBool(false));
assertTrue(Constants.asBool(1));
assertFalse(Constants.asBool(0));
assertTrue(Constants.asBool(4.0));
assertFalse(Constants.asBool(0.0));
assertTrue(Constants.asBool(4.0f));
assertFalse(Constants.asBool(0.0f));
assertTrue(Constants.asBool(4L));
assertFalse(Constants.asBool(0L));
assertTrue(Constants.asBool("true"));
assertTrue(Constants.asBool("True"));
assertFalse(Constants.asBool("1"));
assertFalse(Constants.asBool("false"));
assertFalse(Constants.asBool("yes"));
assertFalse(Constants.asBool("no"));
}
@Test
@@ -128,4 +128,45 @@ class ConstantsTest {
assertEquals(.8f, Math.abs(t/(t+f)), .01f);
}
@Test
void noise() {
double lastNoise = -1.0;
for( int i = 0; i < 100; i++ ) {
double thisNoise = Constants.noise(i * 0.005);
assertInRange(thisNoise);
assertNotEquals(lastNoise, thisNoise);
assertEquals(thisNoise, Constants.noise(i * 0.005), 0.0001);
lastNoise = thisNoise;
}
lastNoise = -1.0;
for( int i = 0; i < 100; i++ ) {
double thisNoise = Constants.noise(i * 0.005, 0.1);
assertInRange(thisNoise);
assertNotEquals(lastNoise, thisNoise);
assertEquals(thisNoise, Constants.noise(i * 0.005, 0.1), 0.0001);
lastNoise = thisNoise;
}
lastNoise = -1.0;
for( int i = 0; i < 100; i++ ) {
double thisNoise = Constants.noise(i * 0.005, 5.5, 100.0/(i+1));
assertInRange(thisNoise);
assertNotEquals(lastNoise, thisNoise);
assertEquals(thisNoise, Constants.noise(i * 0.005, 5.5, 100.0/(i+1)), 0.0001);
lastNoise = thisNoise;
}
}
private void assertInRange( double d ) {
assertFalse(Double.isNaN(d), "Noise value can't be NaN.");
assertTrue(0.0 <= d && 1.0 >= d, "Noise should be in Range 0 to 1. Was <" + d + ">.");
}
}

View File

@@ -38,7 +38,7 @@ public class TestAttraction extends Zeichenmaschine {
posC = new Vector(200, 100);
velC = new Vector(1, 14);
drawing.translate(width /2, height /2);
drawing.translate(canvasWidth /2, canvasHeight /2);
drawing.shear(0.1, 0.5);
recht = new Rectangle(50, 50, 150, 75);
@@ -84,7 +84,7 @@ public class TestAttraction extends Zeichenmaschine {
shapes.clear();
double x = recht.getX();
x = (x+100*delta)% width;
x = (x+100*delta)% canvasWidth;
recht.setX(x);
}

View File

@@ -7,7 +7,6 @@ import schule.ngb.zm.shapes.Rectangle;
import schule.ngb.zm.shapes.Shape;
import java.awt.geom.Point2D;
import java.util.Random;
public class TestShapes extends Zeichenmaschine {
@@ -65,7 +64,7 @@ public class TestShapes extends Zeichenmaschine {
public void shapePositions() {
int pad = 24;
Rectangle bounds = new Rectangle(pad, pad, width-pad, height-pad);
Rectangle bounds = new Rectangle(pad, pad, canvasWidth -pad, canvasHeight -pad);
Rectangle[] rects = new Rectangle[5];
for( int i = 0; i < rects.length; i++ ) {

View File

@@ -0,0 +1,262 @@
package schule.ngb.zm.anim;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import schule.ngb.zm.Color;
import schule.ngb.zm.Constants;
import schule.ngb.zm.Options;
import schule.ngb.zm.Zeichenmaschine;
import schule.ngb.zm.shapes.*;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.function.DoubleUnaryOperator;
import static org.junit.jupiter.api.Assertions.*;
class AnimationsTest {
private static Zeichenmaschine zm;
private static ShapesLayer shapes;
@BeforeAll
static void beforeAll() {
zm = new Zeichenmaschine(400, 400, "zm-test: Animations", false);
shapes = zm.getShapesLayer();
assertNotNull(shapes);
}
@AfterAll
static void afterAll() {
zm.exit();
}
@BeforeEach
void setUp() {
shapes.removeAll();
}
@Test
void animateMove() {
Shape s = new Circle(0, 0, 10);
shapes.add(s);
_animateMove(s, 2500, Easing.DEFAULT_EASING);
assertEquals(zm.getWidth(), s.getX(), 0.0001);
assertEquals(zm.getHeight(), s.getY(), 0.0001);
_animateMove(s, 2500, Easing.thereAndBack(Easing.linear()));
assertEquals(0.0, s.getX(), 0.0001);
assertEquals(0.0, s.getY(), 0.0001);
_animateMove(s, 4000, Easing::bounceInOut);
assertEquals(zm.getWidth(), s.getX(), 0.0001);
assertEquals(zm.getHeight(), s.getY(), 0.0001);
}
private void _animateMove( Shape s, int runtime, DoubleUnaryOperator easing ) {
s.moveTo(0, 0);
Future<Shape> future = Animations.animate(
s, runtime,
easing,
( e ) -> Constants.interpolate(0, zm.getWidth(), e),
( t, p ) -> {
t.moveTo(p, p);
}
);
assertNotNull(future);
try {
assertEquals(s, future.get());
} catch( Exception e ) {
fail(e);
}
}
@Test
void animateCircle() {
Shape s = new Circle(0, 0, 10);
shapes.add(s);
_animateCircle(s, 5000, Easing.linear());
}
private void _animateCircle( Shape s, final int runtime, final DoubleUnaryOperator easing ) {
final int midX = (int) (zm.getWidth() * .5);
final int midY = (int) (zm.getHeight() * .5);
final int radius = (int) (zm.getWidth() * .25);
Animator<Shape, Double> ani = new Animator<Shape, Double>() {
@Override
public double easing( double t ) {
return easing.applyAsDouble(t);
}
@Override
public Double interpolator( double e ) {
return Constants.interpolate(0, 360, e);
}
@Override
public void applicator( Shape s, Double angle ) {
double rad = Math.toRadians(angle);
s.moveTo(midX + radius * Math.cos(rad), midY + radius * Math.sin(rad));
}
};
Future<Shape> future = Animations.animate(s, runtime, ani);
assertNotNull(future);
try {
assertEquals(s, future.get());
} catch( Exception e ) {
fail(e);
}
}
@Test
void animateRotate() {
Shape s = new Rectangle(0, 0, 129, 80);
s.setAnchor(Constants.CENTER);
shapes.add(s);
_animateRotate(s, 3000, Easing::cubicIn);
assertEquals(zm.getWidth() * 0.5, s.getX(), 0.0001);
assertEquals(zm.getHeight() * 0.5, s.getY(), 0.0001);
assertEquals(0.0, s.getRotation(), 0.0001);
_animateRotate(s, 500, Easing::elasticInOut);
assertEquals(zm.getWidth() * 0.5, s.getX(), 0.0001);
assertEquals(zm.getHeight() * 0.5, s.getY(), 0.0001);
assertEquals(0.0, s.getRotation(), 0.0001);
_animateRotate(s, 1000, Easing::bounceOut);
assertEquals(zm.getWidth() * 0.5, s.getX(), 0.0001);
assertEquals(zm.getHeight() * 0.5, s.getY(), 0.0001);
assertEquals(0.0, s.getRotation(), 0.0001);
_animateRotate(s, 6000, Easing::backInOut);
assertEquals(zm.getWidth() * 0.5, s.getX(), 0.0001);
assertEquals(zm.getHeight() * 0.5, s.getY(), 0.0001);
assertEquals(0.0, s.getRotation(), 0.0001);
}
private void _animateRotate( Shape s, int runtime, DoubleUnaryOperator easing ) {
s.moveTo(zm.getWidth() * .5, zm.getHeight() * .5);
s.rotateTo(0);
Future<Shape> future = Animations.animate(
s, runtime,
easing,
( e ) -> s.rotateTo(Constants.interpolate(0, 720, e))
);
assertNotNull(future);
try {
assertEquals(s, future.get());
} catch( Exception e ) {
fail(e);
}
}
@Test
void animateColor() {
Shape s = new Ellipse(0, 0, 129, 80);
s.setAnchor(Constants.CENTER);
shapes.add(s);
_animateColor(s, Color.RED, 1000, Easing.DEFAULT_EASING);
assertEquals(Color.RED, s.getFillColor());
_animateColor(s, Color.BLUE, 1500, Easing::backInOut);
assertEquals(Color.BLUE, s.getFillColor());
_animateColor(s, Color.GREEN, 2000, Easing::bounceOut);
assertEquals(Color.GREEN, s.getFillColor());
_animateColor(s, Color.YELLOW, 300, Easing::thereAndBack);
assertEquals(Color.GREEN, s.getFillColor());
}
private void _animateColor( Shape s, Color to, int runtime, DoubleUnaryOperator easing ) {
s.moveTo(zm.getWidth() * .5, zm.getHeight() * .5);
final Color from = s.getFillColor();
Future<Shape> future = Animations.animate(
s, runtime,
easing,
( e ) -> Color.interpolate(from, to, e),
( t, c ) -> t.setFillColor(c)
);
assertNotNull(future);
try {
assertEquals(s, future.get());
} catch( Exception e ) {
fail(e);
}
}
@Test
void animatePropertyColor() {
Shape s = new Ellipse(0, 0, 129, 80);
s.setAnchor(Constants.CENTER);
shapes.add(s);
_animatePropertyColor(s, Color.RED, 1000, Easing.DEFAULT_EASING);
assertEquals(Color.RED, s.getFillColor());
_animatePropertyColor(s, Color.BLUE, 1500, Easing::backInOut);
assertEquals(Color.BLUE, s.getFillColor());
_animatePropertyColor(s, Color.GREEN, 2000, Easing::bounceOut);
assertEquals(Color.GREEN, s.getFillColor());
_animatePropertyColor(s, Color.YELLOW, 300, Easing::thereAndBack);
assertEquals(Color.GREEN, s.getFillColor());
}
private void _animatePropertyColor( Shape s, Color to, int runtime, DoubleUnaryOperator easing ) {
s.moveTo(zm.getWidth() * .5, zm.getHeight() * .5);
final Color from = s.getFillColor();
Future<Shape> future = Animations.animateProperty(
s, from, to, runtime, easing, s::setFillColor
);
assertNotNull(future);
try {
assertEquals(s, future.get());
} catch( Exception e ) {
fail(e);
}
}
@Test
void animatePropertyReflect() {
Shape s = new Ellipse(0, 200, 129, 80);
shapes.add(s);
try {
Animations.animateProperty("x", s, 400, 1000, Easing.DEFAULT_EASING);
Animations.animateProperty("strokeColor", s, Color.RED, 1000, Easing.DEFAULT_EASING).get();
} catch( InterruptedException | ExecutionException e ) {
fail(e);
}
}
@Test
void animateManim() {
Shape s = new Circle(0, 0, 10);
shapes.add(s);
Text t = new Text(0, 0, "Easing");
t.setAnchor(Options.Direction.EAST);
t.alignTo(Options.Direction.NORTHEAST, -20.0);
shapes.add(t);
t.setText("rushIn");
_animateMove(s, 2500, Easing::rushIn);
t.setText("rushOut");
_animateMove(s, 2500, Easing::rushOut);
t.setText("hobbit");
_animateMove(s, 2500, Easing::hobbit);
t.setText("wiggle(2)");
_animateMove(s, 2500, Easing::wiggle);
t.setText("wiggle(4)");
_animateMove(s, 2500, Easing.wiggle(4));
t.setText("doubleSmooth");
_animateMove(s, 2500, Easing::doubleSmooth);
}
}

View File

@@ -0,0 +1,65 @@
package schule.ngb.zm.events;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class EventDispatcherTest {
class TestEvent {
private String data;
private String type;
public TestEvent( String data, boolean isStart ) {
this.data = data;
this.type = isStart ? "start" : "stop";
}
public String getData() {
return data;
}
public String getType() {
return type;
}
}
interface TestListener extends Listener<TestEvent> {
void startEvent( TestEvent t );
void stopEvent( TestEvent t );
}
@Test
void eventRegistry() {
EventDispatcher<TestEvent, TestListener> gen = new EventDispatcher<>();
gen.registerEventType("start", ( event, listener ) -> listener.startEvent(event));
gen.registerEventType("stop", ( event, listener ) -> listener.stopEvent(event));
gen.addListener(new TestListener() {
@Override
public void startEvent( TestEvent t ) {
assertEquals("start", t.getType());
assertTrue(t.getData().startsWith("Start Event"));
}
@Override
public void stopEvent( TestEvent t ) {
assertEquals("stop", t.getType());
assertTrue(t.getData().startsWith("Stop Event"));
}
});
gen.dispatchEvent("start", new TestEvent("Start Event 1", true));
gen.dispatchEvent("stop", new TestEvent("Stop Event 1", false));
gen.dispatchEvent("stop", new TestEvent("Stop Event 2", false));
gen.dispatchEvent("start", new TestEvent("Start Event 2", true));
}
}

View File

@@ -0,0 +1,101 @@
package schule.ngb.zm.ml;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class MLMathTest {
@Test
void matrixMultiply() {
double[][] A = new double[][]{
{1.0, 2.0, 3.0},
{-5.0, -4.0, -3.0},
{0.0, -10.0, 10.0}
};
double[][] B = new double[][]{
{0.0, 1.0},
{2.0, -2.0},
{5.0, -10.0}
};
double[][] result = MLMath.matrixMultiply(A, B);
assertNotNull(result);
assertEquals(A.length, result.length);
assertEquals(B[0].length, result[0].length);
assertArrayEquals(new double[]{19.0, -33.0}, result[0]);
assertArrayEquals(new double[]{-23.0, 33.0}, result[1]);
assertArrayEquals(new double[]{30.0, -80.0}, result[2]);
assertThrowsExactly(IllegalArgumentException.class, () -> MLMath.matrixMultiply(B, A));
}
@Test
void matrixScale() {
double[][] matrix = new double[][]{
{1.0, 2.0, 3.0},
{-5.0, -4.0, -3.0},
{0.0, -10.0, 10.0}
};
double[][] scalars = new double[][]{
{0.0, 1.0, -1.0},
{2.0, -2.0, 10.0},
{5.0, -10.0, 10.0}
};
double[][] result = MLMath.matrixScale(matrix, scalars);
assertNotNull(result);
assertNotSame(matrix, result);
assertArrayEquals(new double[]{0.0, 2.0, -3.0}, result[0]);
assertArrayEquals(new double[]{-10.0, 8.0, -30.0}, result[1]);
assertArrayEquals(new double[]{0.0, 100.0, 100.0}, result[2]);
}
@Test
void matrixApply() {
double[][] matrix = new double[][]{
{1.0, 2.0, 3.0},
{-5.0, -4.0, -3.0},
{0.0, -10.0, 10.0}
};
double[][] result = MLMath.matrixApply(matrix, (d) -> -1*d);
assertNotNull(result);
assertNotSame(matrix, result);
assertArrayEquals(new double[]{-1.0, -2.0, -3.0}, result[0]);
assertArrayEquals(new double[]{5.0, 4.0, 3.0}, result[1]);
assertArrayEquals(new double[]{-0.0, 10.0, -10.0}, result[2]);
}
@Test
void matrixSubtract() {
}
@Test
void matrixAdd() {
}
@Test
void matrixTranspose() {
double[][] matrix = new double[][]{
{1.0, 2.0, 3.0, 4.5},
{-5.0, -4.0, -3.0, 2.1},
{0.0, -10.0, 10.0, 0.9}
};
double[][] result = MLMath.matrixTranspose(matrix);
assertNotNull(result);
assertEquals(4, result.length);
assertEquals(3, result[0].length);
assertArrayEquals(new double[]{1.0, -5.0, 0.0}, result[0]);
assertArrayEquals(new double[]{2.0, -4.0, -10.0}, result[1]);
assertArrayEquals(new double[]{3.0, -3.0, 10.0}, result[2]);
assertArrayEquals(new double[]{4.5, 2.1, 0.9}, result[3]);
}
@Test
void normalize() {
}
}

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package schule.ngb.zm.ml;
import org.junit.jupiter.api.Test;
import java.util.Arrays;
import static org.junit.jupiter.api.Assertions.*;
class MatrixTest {
@Test
void initializeIdentity() {
Matrix m = new Matrix(4, 4);
m.initializeIdentity();
assertArrayEquals(new double[]{1.0, 0.0, 0.0, 0.0}, m.coefficients[0]);
assertArrayEquals(new double[]{0.0, 1.0, 0.0, 0.0}, m.coefficients[1]);
assertArrayEquals(new double[]{0.0, 0.0, 1.0, 0.0}, m.coefficients[2]);
assertArrayEquals(new double[]{0.0, 0.0, 0.0, 1.0}, m.coefficients[3]);
}
@Test
void initializeOne() {
Matrix m = new Matrix(4, 4);
m.initializeOne();
double[] ones = new double[]{1.0, 1.0, 1.0, 1.0};
assertArrayEquals(ones, m.coefficients[0]);
assertArrayEquals(ones, m.coefficients[1]);
assertArrayEquals(ones, m.coefficients[2]);
assertArrayEquals(ones, m.coefficients[3]);
}
@Test
void initializeZero() {
Matrix m = new Matrix(4, 4);
m.initializeZero();
double[] zeros = new double[]{0.0, 0.0, 0.0, 0.0};
assertArrayEquals(zeros, m.coefficients[0]);
assertArrayEquals(zeros, m.coefficients[1]);
assertArrayEquals(zeros, m.coefficients[2]);
assertArrayEquals(zeros, m.coefficients[3]);
}
@Test
void initializeRandom() {
Matrix m = new Matrix(4, 4);
m.initializeRandom(-1, 1);
assertTrue(Arrays.stream(m.coefficients[0]).allMatch((d) -> -1.0 <= d && d < 1.0));
assertTrue(Arrays.stream(m.coefficients[1]).allMatch((d) -> -1.0 <= d && d < 1.0));
assertTrue(Arrays.stream(m.coefficients[2]).allMatch((d) -> -1.0 <= d && d < 1.0));
assertTrue(Arrays.stream(m.coefficients[3]).allMatch((d) -> -1.0 <= d && d < 1.0));
}
}

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package schule.ngb.zm.ml;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import schule.ngb.zm.util.Log;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import static org.junit.jupiter.api.Assertions.*;
class NeuralNetworkTest {
@BeforeAll
static void enableDebugging() {
Log.enableGlobalDebugging();
}
@Test
void readWrite() {
// XOR Dataset
NeuralNetwork net = new NeuralNetwork(2, 4, 1);
double[][] inputs = new double[][]{
{0, 0}, {0, 1}, {1, 0}, {1, 1}
};
double[][] outputs = new double[][]{
{0}, {1}, {1}, {0}
};
System.out.println("Training the neural net to learn XOR...");
net.train(inputs, outputs, 10000);
System.out.println(" finished training");
NeuralNetwork.saveToFile("./ml-test.txt", net);
assertTrue(new File("./ml-test.txt").isFile());
NeuralNetwork net2 = NeuralNetwork.loadFromFile("./ml-test.txt");
assertEquals(net.getLayerCount(), net2.getLayerCount());
for( int l = 0; l < net2.getLayerCount(); l++ ) {
NeuronLayer layer = net.getLayer(l+1);
NeuronLayer layer2 = net2.getLayer(l+1);
for( int i = 0; i < layer.getInputCount(); i++ ) {
for( int j = 0; j < layer.getNeuronCount(); j++ ) {
assertEquals(layer.weights.coefficients[i][j], layer2.weights.coefficients[i][j]);
}
}
for( int j = 0; j < layer.getNeuronCount(); j++ ) {
assertEquals(layer.biases[j], layer2.biases[j]);
}
}
assertArrayEquals(net.predict(inputs), net2.predict(inputs));
}
@Test
void learnXor() {
int TRAINING_CYCLES = 40000;
NeuralNetwork net = new NeuralNetwork(2, 4, 1);
double[][] inputs = new double[][]{
{0, 0}, {0, 1}, {1, 0}, {1, 1}
};
double[][] outputs = new double[][]{
{0}, {1}, {1}, {0}
};
System.out.println("Training the neural net to learn XOR...");
net.train(inputs, outputs, TRAINING_CYCLES);
System.out.println(" finished training");
for( int i = 1; i <= net.getLayerCount(); i++ ) {
System.out.println("Layer " +i + " weights");
System.out.println(net.getLayer(i));
}
// calculate predictions
double[][] predictions = net.predict(inputs);
for( int i = 0; i < 4; i++ ) {
int parsed_pred = predictions[i][0] < 0.5 ? 0 : 1;
System.out.printf(
"{%.0f, %.0f} = %.4f (%d) -> %s\n",
inputs[i][0], inputs[i][1],
predictions[i][0],
parsed_pred,
parsed_pred == outputs[i][0] ? "correct" : "miss"
);
}
}
@Test
void learnCalc() {
int INPUT_SIZE = 50;
int PREDICT_SIZE = 4;
int TRAINING_CYCLES = 40000;
CalcType OPERATION = CalcType.ADD;
// Create neural network with layer1: 4 neurones, layer2: 1 neuron
NeuralNetwork net = new NeuralNetwork(2, 8, 4, 1);
List<TestData> trainingData = createTrainingSet(INPUT_SIZE, OPERATION);
double[][] inputs = new double[INPUT_SIZE][2];
double[][] outputs = new double[INPUT_SIZE][1];
for( int i = 0; i < trainingData.size(); i++ ) {
inputs[i][0] = trainingData.get(i).a;
inputs[i][1] = trainingData.get(i).b;
outputs[i][0] = trainingData.get(i).result;
}
System.out.println("Training the neural net to learn "+OPERATION+"...");
net.train(inputs, outputs, TRAINING_CYCLES);
System.out.println(" finished training");
for( int i = 1; i <= net.getLayerCount(); i++ ) {
System.out.println("Layer " +i + " weights");
System.out.println(net.getLayer(i));
}
// calculate the predictions on unknown data
List<TestData> predictionSet = createTrainingSet(PREDICT_SIZE, OPERATION);
for( TestData t : predictionSet ) {
predict(t, net);
}
}
public static void predict( TestData data, NeuralNetwork net ) {
double[][] testInput = new double[][]{{data.a, data.b}};
net.predict(testInput);
// then
System.out.printf(
"Prediction on data (%.2f, %.2f) was %.4f, expected %.2f (of by %.4f)\n",
data.a, data.b,
net.getOutput()[0][0],
data.result,
net.getOutput()[0][0] - data.result
);
}
private List<TestData> createTrainingSet( int trainingSetSize, CalcType operation ) {
Random random = new Random();
List<TestData> tuples = new ArrayList<>();
for( int i = 0; i < trainingSetSize; i++ ) {
double s1 = random.nextDouble() * 0.5;
double s2 = random.nextDouble() * 0.5;
switch( operation ) {
case ADD:
tuples.add(new AddData(s1, s2));
break;
case SUB:
tuples.add(new SubData(s1, s2));
break;
case MUL:
tuples.add(new MulData(s1, s2));
break;
case DIV:
tuples.add(new DivData(s1, s2));
break;
case MOD:
tuples.add(new ModData(s1, s2));
break;
}
}
return tuples;
}
private static enum CalcType {
ADD, SUB, MUL, DIV, MOD
}
private static abstract class TestData {
double a;
double b;
double result;
CalcType type;
TestData( double a, double b ) {
this.a = a;
this.b = b;
}
}
private static final class AddData extends TestData {
CalcType type = CalcType.ADD;
public AddData( double a, double b ) {
super(a, b);
result = a + b;
}
}
private static final class SubData extends TestData {
CalcType type = CalcType.SUB;
public SubData( double a, double b ) {
super(a, b);
result = a - b;
}
}
private static final class MulData extends TestData {
CalcType type = CalcType.MUL;
public MulData( double a, double b ) {
super(a, b);
result = a * b;
}
}
private static final class DivData extends TestData {
CalcType type = CalcType.DIV;
public DivData( double a, double b ) {
super(a, b);
if( b == 0.0 ) {
b = .1;
}
result = a / b;
}
}
private static final class ModData extends TestData {
CalcType type = CalcType.MOD;
public ModData( double b, double a ) {
super(b, a);
result = a % b;
}
}
}

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package schule.ngb.zm.util;
import org.junit.jupiter.api.Test;
import java.nio.charset.StandardCharsets;
import java.util.List;
import static org.junit.jupiter.api.Assertions.*;
class FileLoaderTest {
@Test
void loadLines() {
String[] data;
List<String> lines;
data = new String[]{
"Header1,Header2,Header3",
"1.1,1.2,1.3",
"2.1,2.2,2.3",
"3.1,3.2,3.3"
};
lines = FileLoader.loadLines("data_comma.csv");
assertEquals(data.length, lines.size());
for( int i = 0; i < lines.size(); i++ ) {
assertEquals(data[i], lines.get(i));
}
data = new String[]{
"Nöme;Häder2;Straße",
"1.1;1.2;1.3",
"2.1;2.2;2.3",
"3.1;3.2;3.3"
};
lines = FileLoader.loadLines("data_semicolon_latin.csv", FileLoader.ISO_8859_1);
assertEquals(data.length, lines.size());
for( int i = 0; i < lines.size(); i++ ) {
assertEquals(data[i], lines.get(i));
}
}
@Test
void loadText() {
String data;
String text;
data = "Header1,Header2,Header3\n" +
"1.1,1.2,1.3\n" +
"2.1,2.2,2.3\n" +
"3.1,3.2,3.3\n";
text = FileLoader.loadText("data_comma.csv");
assertEquals(data, text);
data = "Nöme;Häder2;Straße\n" +
"1.1;1.2;1.3\n" +
"2.1;2.2;2.3\n" +
"3.1;3.2;3.3\n";
text = FileLoader.loadText("data_semicolon_latin.csv", FileLoader.ISO_8859_1);
assertEquals(data, text);
}
@Test
void loadCsv() {
double[][] data;
double[][] csv;
data = new double[][]{
{1.1,1.2,1.3},
{2.1,2.2,2.3},
{3.1,3.2,3.3}
};
csv = FileLoader.loadDoubles("data_comma.csv", ',', true);
assertArrayEquals(data, csv);
csv = FileLoader.loadDoubles("data_semicolon_latin.csv", ';', true, FileLoader.ISO_8859_1);
assertArrayEquals(data, csv);
}
}

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package schule.ngb.zm.util;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class NoiseTest {
@Test
void noise() {
int N = 1000;
Noise perlin = new Noise();
Noise perlin1 = new Noise(1001);
Noise perlin2 = new Noise(2002);
Noise perlin3 = new Noise(2002);
int pp1 = 0, p1p2 = 0;
for( int i = 1; i < N; i++ ) {
double x = i * 0.005;
assertInRange(perlin.noise(x));
assertInRange(perlin1.noise(x));
assertInRange(perlin2.noise(x));
if( perlin.noise(x) == perlin1.noise(x) ) {
pp1++;
}
if( perlin1.noise(x) == perlin2.noise(x) ) {
p1p2++;
}
assertEquals(perlin2.noise(x), perlin3.noise(x), "perlin2 and perlin3 should be equal for input " + x);
}
assertTrue(pp1 < N * 0.75, "perlin and perlin1 should not be equal more than 75% (was " + pp1 / 1000.0 + ")");
assertTrue(p1p2 < N * 0.75, "perlin1 and perlin2 should not be equal more than 75% (was " + p1p2 / 1000.0 + ")");
}
private void assertInRange( double d ) {
assertTrue(0.0 <= d && 1.0 >= d);
}
private void assertInRange( double d, double min, double max ) {
assertTrue(min <= d && max >= d);
}
@Test
void noise2d() {
int N = 100;
Noise perlin = new Noise();
Noise perlin1 = new Noise(1001);
Noise perlin2 = new Noise(2002);
Noise perlin3 = new Noise(2002);
int pp1 = 0, p1p2 = 0;
for( int i = 1; i < N; i++ ) {
for( int j = 0; j < N; j++ ) {
double x = i * 0.005;
double y = j * 0.001;
assertInRange(perlin.noise(x, y));
assertInRange(perlin1.noise(x, y));
assertInRange(perlin2.noise(x, y));
if( perlin.noise(x, y) == perlin1.noise(x, y) ) {
pp1++;
}
if( perlin1.noise(x, y) == perlin2.noise(x, y) ) {
p1p2++;
}
assertEquals(perlin2.noise(x, y), perlin3.noise(x, y), "perlin2 and perlin3 should be equal for input " + x + "," + y);
}
}
assertTrue(pp1 < N * N * 0.75, "perlin and perlin1 should not be equal more than 75% (was " + (pp1 / 1.0 * N * N) + ")");
assertTrue(p1p2 < N * N * 0.75, "perlin1 and perlin2 should not be equal more than 75% (was " + (p1p2 / 1.0 * N * N) + ")");
}
@Test
void noise3d() {
int N = 100;
Noise perlin = new Noise();
Noise perlin1 = new Noise(1001);
Noise perlin2 = new Noise(2002);
Noise perlin3 = new Noise(2002);
int pp1 = 0, p1p2 = 0;
for( int i = 1; i < N; i++ ) {
for( int j = 0; j < N; j++ ) {
for( int k = 0; k < N; k++ ) {
double x = i * 0.005;
double y = j * 0.001;
double z = k * 0.004;
assertInRange(perlin.noise(x, y, z));
assertInRange(perlin1.noise(x, y, z));
assertInRange(perlin2.noise(x, y, z));
if( perlin.noise(x, y, z) == perlin1.noise(x, y, z) ) {
pp1++;
}
if( perlin1.noise(x, y, z) == perlin2.noise(x, y, z) ) {
p1p2++;
}
assertEquals(perlin2.noise(x, y, z), perlin3.noise(x, y, z), "perlin2 and perlin3 should be equal for input " + x + "," + y);
}
}
}
assertTrue(pp1 < N * N * N* 0.75, "perlin and perlin1 should not be equal more than 75% (was " + (pp1 / 1.0 * N * N * N) + ")");
assertTrue(p1p2 < N * N * N * 0.75, "perlin1 and perlin2 should not be equal more than 75% (was " + (p1p2 / 1.0 * N * N * N) + ")");
}
@Test
void range() {
Noise perlin = new Noise(1001);
perlin.setRange(100, 255);
for( int i = 0; i < 1000; i++ ) {
assertInRange(perlin.noise(i * 0.005), 100, 255);
}
perlin.setRange(-100, 100);
for( int i = 0; i < 1000; i++ ) {
assertInRange(perlin.noise(i * 0.005), -100, 100);
}
}
}

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Header1,Header2,Header3
1.1,1.2,1.3
2.1,2.2,2.3
3.1,3.2,3.3
1 Header1 Header2 Header3
2 1.1 1.2 1.3
3 2.1 2.2 2.3
4 3.1 3.2 3.3

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Header1;Header2;Header3
1.1;1.2;1.3
2.1;2.2;2.3
3.1;3.2;3.3
1 Header1 Header2 Header3
2 1.1 1.2 1.3
3 2.1 2.2 2.3
4 3.1 3.2 3.3

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Nöme;Häder2;Straße
1.1;1.2;1.3
2.1;2.2;2.3
3.1;3.2;3.3
1 Nöme Häder2 Straße
2 1.1 1.2 1.3
3 2.1 2.2 2.3
4 3.1 3.2 3.3