Merge branch 'main' into zeichenfenster

# Conflicts:
#	src/main/java/schule/ngb/zm/media/Sound.java

src/main/java/schule/ngb/zm/Constants.java

@@ -410,6 +410,7 @@ public class Constants {
 	 * wirken sich auf die aktuelle Zeichenmaschine aus und sollten nur von der
 	 * Zeichenmaschine selbst vorgenommen werden.
 	 */
+	// TODO: (ngb) volatile ?
 
 	/**
 	 * Aktuell dargestellte Bilder pro Sekunde.

src/main/java/schule/ngb/zm/Options.java

@@ -42,7 +42,8 @@ public final class Options {
 		STOPPED,
 		TERMINATED,
 		IDLE,
-		DELAYED
+		DELAYED,
+		DISPATCHING
 	}
 
 	/**

src/main/java/schule/ngb/zm/Spielemaschine.java

@@ -1,5 +1,7 @@
 package schule.ngb.zm;
 
+import schule.ngb.zm.layers.DrawableLayer;
+
 import java.awt.Graphics2D;
 import java.util.Collections;
 import java.util.Iterator;
@@ -13,7 +15,7 @@ public class Spielemaschine extends Zeichenmaschine {
 
 	private LinkedList<Updatable> updatables;
 
-	private GraphicsLayer mainLayer;
+	private GameLayer mainLayer;
 
 	public Spielemaschine( String title ) {
 		this(DEFAULT_WIDTH, DEFAULT_HEIGHT, title);
@@ -26,7 +28,7 @@ public class Spielemaschine extends Zeichenmaschine {
 		drawables = new LinkedList<>();
 		updatables = new LinkedList<>();
 
-		mainLayer = new GraphicsLayer();
+		mainLayer = new GameLayer();
 		canvas.addLayer(mainLayer);
 	}
 
@@ -83,7 +85,7 @@ public class Spielemaschine extends Zeichenmaschine {
 	@Override
 	public final void update( double delta ) {
 		synchronized( updatables ) {
-			List<Updatable> it = Collections.unmodifiableList(updatables);
+			List<Updatable> it = List.copyOf(updatables);
 			for( Updatable u: it ) {
 				if( u.isActive() ) {
 					u.update(delta);
@@ -96,23 +98,27 @@ public class Spielemaschine extends Zeichenmaschine {
 
 	@Override
 	public final void draw() {
-		mainLayer.clear();
-		synchronized( drawables ) {
-			List<Drawable> it = Collections.unmodifiableList(drawables);
-			for( Drawable d: it ) {
-				if( d.isVisible() ) {
-					d.draw(mainLayer.getGraphics());
-				}
-			}
-		}
+
 	}
 
-	static class GraphicsLayer extends Layer {
+	private class GameLayer extends Layer {
 
 		public Graphics2D getGraphics() {
 			return drawing;
 		}
 
+		@Override
+		public void draw( Graphics2D pGraphics ) {
+			clear();
+			List<Drawable> it = List.copyOf(drawables);
+			for( Drawable d: it ) {
+				if( d.isVisible() ) {
+					d.draw(drawing);
+				}
+			}
+			super.draw(pGraphics);
+		}
+
 	}
 
 }

src/main/java/schule/ngb/zm/Zeichenleinwand.java

@@ -1,6 +1,7 @@
 package schule.ngb.zm;
 
 import schule.ngb.zm.layers.ColorLayer;
+import schule.ngb.zm.util.Log;
 
 import java.awt.Canvas;
 import java.awt.Graphics;
@@ -283,4 +284,6 @@ public class Zeichenleinwand extends Canvas {
 		}
 	}
 
+	private static final Log LOG = Log.getLogger(Zeichenleinwand.class);
+
 }

src/main/java/schule/ngb/zm/Zeichenmaschine.java

@@ -316,17 +316,20 @@ public class Zeichenmaschine extends Constants {
 			public void windowClosing( WindowEvent e ) {
 				if( running ) {
 					running = false;
-					teardown();
-					cleanup();
+					mainThread.interrupt();
+					//teardown();
+					//cleanup();
 				}
 				// Give the app a minimum amount of time to shut down
 				// then kill it.
-				try {
-					Thread.sleep(5);
-				} catch( InterruptedException ex ) {
-				} finally {
-					quit(true);
+				while( state != Options.AppState.TERMINATED ) {
+					Thread.yield();
+					if( Thread.interrupted() ) {
+						break;
+					}
 				}
+				// Quit
+				quit(true);
 			}
 		});
 
@@ -856,7 +859,7 @@ public class Zeichenmaschine extends Constants {
 
 			updateState = Options.AppState.DELAYED;
 			Thread.sleep(ms - sub, (int) (timer % 1000000L));
-		} catch( InterruptedException ex ) {
+		} catch( InterruptedException ignored ) {
 			// Nothing
 		} finally {
 			updateState = oldState;
@@ -1058,10 +1061,12 @@ public class Zeichenmaschine extends Constants {
 	}
 
 	/*
-	 * Mouse handling
+	 * Input handling
 	 */
 	private void enqueueEvent( InputEvent evt ) {
-		eventQueue.add(evt);
+		if( updateState != Options.AppState.DELAYED ) {
+			eventQueue.add(evt);
+		}
 
 		if( isPaused() || isStopped() ) {
 			dispatchEvents();
@@ -1069,7 +1074,7 @@ public class Zeichenmaschine extends Constants {
 	}
 
 	private void dispatchEvents() {
-		synchronized( eventQueue ) {
+		//synchronized( eventQueue ) {
 			while( !eventQueue.isEmpty() ) {
 				InputEvent evt = eventQueue.poll();
 
@@ -1090,7 +1095,7 @@ public class Zeichenmaschine extends Constants {
 						break;
 				}
 			}
-		}
+		//}
 	}
 
 	private void handleKeyEvent( KeyEvent evt ) {
@@ -1329,10 +1334,11 @@ public class Zeichenmaschine extends Constants {
 								// Call to draw()
 								updateState = Options.AppState.DRAWING;
 								Zeichenmaschine.this.draw();
-								updateState = Options.AppState.IDLE;
+								updateState = Options.AppState.DISPATCHING;
 								// Send latest input events after finishing draw
 								// since these may also block
 								dispatchEvents();
+								updateState = Options.AppState.IDLE;
 							}
 						});
 					}
@@ -1341,6 +1347,11 @@ public class Zeichenmaschine extends Constants {
 					while( updateThreadExecutor.isRunning()
 						&& !updateThreadExecutor.isWaiting() ) {
 						Thread.yield();
+
+						if( Thread.interrupted() ) {
+							running = false;
+							break;
+						}
 					}
 
 					// Display the current buffer content

src/main/java/schule/ngb/zm/anim/Animation.java

@@ -2,15 +2,16 @@ package schule.ngb.zm.anim;
 
 import schule.ngb.zm.Constants;
 import schule.ngb.zm.Updatable;
+import schule.ngb.zm.util.Validator;
 import schule.ngb.zm.util.events.EventDispatcher;
 
 import java.util.function.DoubleUnaryOperator;
 
-public abstract class Animation<T> implements Updatable {
+public abstract class Animation<T> extends Constants implements Updatable {
 
 	protected int runtime;
 
-	protected int elapsed_time = 0;
+	protected int elapsedTime = 0;
 
 	protected boolean running = false, finished = false;
 
@@ -23,7 +24,7 @@ public abstract class Animation<T> implements Updatable {
 
 	public Animation( DoubleUnaryOperator easing ) {
 		this.runtime = Constants.DEFAULT_ANIM_RUNTIME;
-		this.easing = easing;
+		this.easing = Validator.requireNotNull(easing);
 	}
 
 	public Animation( int runtime ) {
@@ -33,7 +34,7 @@ public abstract class Animation<T> implements Updatable {
 
 	public Animation( int runtime, DoubleUnaryOperator easing ) {
 		this.runtime = runtime;
-		this.easing = easing;
+		this.easing = Validator.requireNotNull(easing);
 	}
 
 	public int getRuntime() {
@@ -56,17 +57,17 @@ public abstract class Animation<T> implements Updatable {
 
 	public final void start() {
 		this.initialize();
-		elapsed_time = 0;
+		elapsedTime = 0;
 		running = true;
 		finished = false;
-		interpolate(easing.applyAsDouble(0.0));
+		animate(easing.applyAsDouble(0.0));
 		initializeEventDispatcher().dispatchEvent("start", this);
 	}
 
 	public final void stop() {
 		running = false;
 		// Make sure the last animation frame was interpolated correctly
-		interpolate(easing.applyAsDouble((double) elapsed_time / (double) runtime));
+		animate(easing.applyAsDouble((double) elapsedTime / (double) runtime));
 		this.finish();
 		finished = true;
 		initializeEventDispatcher().dispatchEvent("stop", this);
@@ -82,11 +83,7 @@ public abstract class Animation<T> implements Updatable {
 
 	public final void await() {
 		while( !finished ) {
-			try {
-				Thread.sleep(1);
-			} catch( InterruptedException ex ) {
-				// Keep waiting
-			}
+			Thread.yield();
 		}
 	}
 
@@ -97,16 +94,16 @@ public abstract class Animation<T> implements Updatable {
 
 	@Override
 	public void update( double delta ) {
-		elapsed_time += (int) (delta * 1000);
-		if( elapsed_time > runtime )
-			elapsed_time = runtime;
+		elapsedTime += (int) (delta * 1000);
+		if( elapsedTime > runtime )
+			elapsedTime = runtime;
 
-		double t = (double) elapsed_time / (double) runtime;
+		double t = (double) elapsedTime / (double) runtime;
 		if( t >= 1.0 ) {
 			running = false;
 			stop();
 		} else {
-			interpolate(easing.applyAsDouble(t));
+			animate(easing.applyAsDouble(t));
 		}
 	}
 
@@ -124,7 +121,7 @@ public abstract class Animation<T> implements Updatable {
 	 * @param e Fortschritt der Animation nachdem die Easingfunktion angewandt
 	 * 	wurde.
 	 */
-	public abstract void interpolate( double e );
+	public abstract void animate( double e );
 
 	EventDispatcher<Animation, AnimationListener> eventDispatcher;
 

src/main/java/schule/ngb/zm/anim/AnimationFacade.java

@@ -19,8 +19,8 @@ public class AnimationFacade<S> extends Animation<S> {
 	}
 
 	@Override
-	public void interpolate( double e ) {
-		anim.interpolate(e);
+	public void animate( double e ) {
+		anim.animate(e);
 	}
 
 	@Override

src/main/java/schule/ngb/zm/anim/AnimationGroup.java

@@ -1,76 +1,116 @@
 package schule.ngb.zm.anim;
 
-import schule.ngb.zm.shapes.Shape;
-
-import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
 import java.util.function.DoubleUnaryOperator;
 
-public class AnimationGroup extends Animation<Shape> {
+@SuppressWarnings( "unused" )
+public class AnimationGroup<T> extends Animation<T> {
 
-	Animation<? extends Shape>[] anims;
-
-	private boolean overrideRuntime = false;
+	List<Animation<T>> anims;
 
 
-	public AnimationGroup( DoubleUnaryOperator easing, Animation<? extends Shape>... anims ) {
-		super(easing);
-		this.anims = anims;
+	private boolean overrideEasing = false;
 
-		int maxRuntime = Arrays.stream(this.anims).mapToInt((a) -> a.getRuntime()).reduce(0, Integer::max);
-		setRuntime(maxRuntime);
+	private int overrideRuntime = -1;
+
+	private int lag = 0;
+
+	private int active = 0;
+
+	public AnimationGroup( Collection<Animation<T>> anims ) {
+		this(0, -1, null, anims);
 	}
 
-	public AnimationGroup( int runtime, DoubleUnaryOperator easing, Animation<? extends Shape>... anims ) {
-		super(runtime, easing);
-		this.anims = anims;
-		overrideRuntime = true;
+	public AnimationGroup( int lag, Collection<Animation<T>> anims ) {
+		this(lag, -1, null, anims);
+	}
+
+	public AnimationGroup( DoubleUnaryOperator easing, Collection<Animation<T>> anims ) {
+		this(0, -1, easing, anims);
+	}
+
+	public AnimationGroup( int lag, DoubleUnaryOperator easing, Collection<Animation<T>> anims ) {
+		this(lag, -1, easing, anims);
+	}
+
+	public AnimationGroup( int lag, int runtime, DoubleUnaryOperator easing, Collection<Animation<T>> anims ) {
+		super();
+
+		this.anims = List.copyOf(anims);
+		this.lag = lag;
+
+		if( easing != null ) {
+			this.easing = easing;
+			overrideEasing = true;
+		}
+
+		if( runtime > 0 ) {
+			this.runtime = anims.size() * lag + runtime;
+			this.overrideRuntime = runtime;
+		} else {
+			this.runtime = 0;
+			for( int i = 0; i < this.anims.size(); i++ ) {
+				if( i * lag + this.anims.get(i).getRuntime() > this.runtime ) {
+					this.runtime = i * lag + this.anims.get(i).getRuntime();
+				}
+			}
+		}
 	}
 
 	@Override
-	public Shape getAnimationTarget() {
-		return null;
+	public T getAnimationTarget() {
+		for( Animation<T> anim : anims ) {
+			if( anim.isActive() ) {
+				return anim.getAnimationTarget();
+			}
+		}
+		return anims.get(anims.size() - 1).getAnimationTarget();
 	}
 
 	@Override
 	public void update( double delta ) {
-		if( overrideRuntime ) {
-			synchronized( anims ) {
-				for( Animation<? extends Shape> anim: anims ) {
-					if( anim.isActive() ) {
-						anim.update(delta);
-					}
+		elapsedTime += (int) (delta * 1000);
+		// Animation is done. Stop all Animations.
+		if( elapsedTime > runtime ) {
+			for( int i = 0; i < anims.size(); i++ ) {
+				if( anims.get(i).isActive() ) {
+					anims.get(i).elapsedTime = anims.get(i).runtime;
+					anims.get(i).stop();
 				}
 			}
-		} else {
-			super.update(delta);
+			running = false;
+			this.stop();
 		}
-	}
 
-	@Override
-	public void interpolate( double e ) {
-		synchronized( anims ) {
-			for( Animation<? extends Shape> anim: anims ) {
-				anim.interpolate(e);
+		while( active < anims.size() && elapsedTime >= active * lag ) {
+			anims.get(active).start();
+			active += 1;
+		}
+
+		for( int i = 0; i < active; i++ ) {
+			double t = 0.0;
+			if( overrideRuntime > 0 ) {
+				t = (double) (elapsedTime - i*lag) / (double) overrideRuntime;
+			} else {
+				t = (double) (elapsedTime - i*lag) / (double) anims.get(i).getRuntime();
+			}
+
+			if( t >= 1.0 ) {
+				anims.get(i).elapsedTime = anims.get(i).runtime;
+				anims.get(i).stop();
+			} else {
+				double e = overrideEasing ?
+					easing.applyAsDouble(t) :
+					anims.get(i).easing.applyAsDouble(t);
+
+				anims.get(i).animate(e);
 			}
 		}
 	}
 
 	@Override
-	public void initialize() {
-		synchronized( anims ) {
-			for( Animation<? extends Shape> anim: anims ) {
-				anim.initialize();
-			}
-		}
-	}
-
-	@Override
-	public void finish() {
-		synchronized( anims ) {
-			for( Animation<? extends Shape> anim: anims ) {
-				anim.finish();
-			}
-		}
+	public void animate( double e ) {
 	}
 
 }

src/main/java/schule/ngb/zm/anim/Animations.java

@@ -3,7 +3,6 @@ package schule.ngb.zm.anim;
 import schule.ngb.zm.Color;
 import schule.ngb.zm.Constants;
 import schule.ngb.zm.Vector;
-import schule.ngb.zm.util.tasks.FrameSynchronizedTask;
 import schule.ngb.zm.util.tasks.FramerateLimitedTask;
 import schule.ngb.zm.util.tasks.TaskRunner;
 import schule.ngb.zm.util.Log;
@@ -125,28 +124,28 @@ public class Animations {
 	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)));
+		return play(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)));
+		return play(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)));
+		return play(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));
+		return play(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, R> Future<T> play( T target, int runtime, DoubleUnaryOperator easing, DoubleFunction<R> interpolator, BiConsumer<T, R> applicator ) {
+		return play(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 ) {
+	public static final <T> Future<T> play( T target, int runtime, DoubleUnaryOperator easing, DoubleConsumer stepper ) {
 		return TaskRunner.run(new FramerateLimitedTask() {
 			double t = 0.0;
 
@@ -167,8 +166,8 @@ public class Animations {
 		}, target);
 	}
 
-	public static final <T> T animateAndWait( T target, int runtime, DoubleUnaryOperator easing, DoubleConsumer stepper ) {
-		Future<T> future = animate(target, runtime, easing, stepper);
+	public static final <T> T playAndWait( T target, int runtime, DoubleUnaryOperator easing, DoubleConsumer stepper ) {
+		Future<T> future = play(target, runtime, easing, stepper);
 		while( !future.isDone() ) {
 			try {
 				return future.get();
@@ -191,7 +190,8 @@ public class Animations {
 		);
 	}*/
 
-	public static <T> Future<Animation<T>> animate( Animation<T> animation ) {
+	public static <T> Future<Animation<T>> play( Animation<T> animation ) {
+		// TODO: (ngb) Don't start when running
 		return TaskRunner.run(new FramerateLimitedTask() {
 			@Override
 			protected void initialize() {
@@ -206,13 +206,13 @@ public class Animations {
 		}, animation);
 	}
 
-	public static <T> Animation<T> animateAndWait( Animation<T> animation ) {
-		Future<Animation<T>> future = animate(animation);
+	public static <T> Animation<T> playAndWait( Animation<T> animation ) {
+		Future<Animation<T>> future = play(animation);
 		animation.await();
 		return animation;
 	}
 
-	public static <T> Future<Animation<T>> animate( Animation<T> animation, DoubleUnaryOperator easing ) {
+	public static <T> Future<Animation<T>> play( Animation<T> animation, DoubleUnaryOperator easing ) {
 		final AnimationFacade<T> facade = new AnimationFacade<>(animation, animation.getRuntime(), easing);
 		return TaskRunner.run(new FramerateLimitedTask() {
 			@Override

src/main/java/schule/ngb/zm/anim/CircleAnimation.java

@@ -0,0 +1,39 @@
+package schule.ngb.zm.anim;
+
+
+import schule.ngb.zm.Constants;
+import schule.ngb.zm.Vector;
+import schule.ngb.zm.shapes.Shape;
+
+import java.util.function.DoubleUnaryOperator;
+
+public class CircleAnimation extends Animation<Shape> {
+
+	private Shape object;
+
+	private double centerx, centery, radius, startangle;
+
+	public CircleAnimation( Shape target, double cx, double cy, int runtime, DoubleUnaryOperator easing ) {
+		super(runtime, easing);
+		object = target;
+		centerx = cx;
+		centery = cy;
+		Vector vec = new Vector(target.getX(), target.getY()).sub(cx, cy);
+		startangle = vec.heading();
+		radius = vec.length();
+	}
+
+	@Override
+	public Shape getAnimationTarget() {
+		return object;
+	}
+
+	@Override
+	public void animate( double e ) {
+		double angle = startangle + Constants.radians(Constants.interpolate(0, 360, e));
+		double x = centerx + radius * Constants.cos(angle);
+		double y = centery + radius * Constants.sin(angle);
+		object.moveTo(x, y);
+	}
+
+}

src/main/java/schule/ngb/zm/anim/ContinousAnimation.java

@@ -0,0 +1,74 @@
+package schule.ngb.zm.anim;
+
+@SuppressWarnings( "unused" )
+public class ContinousAnimation<T> extends Animation<T> {
+
+	private final Animation<T> baseAnimation;
+
+	private int lag = 0;
+
+	/**
+	 * Speichert eine Approximation der aktuellen Steigung der Easing-Funktion,
+	 * um im Fall {@code easeInOnly == true} nach dem ersten Durchlauf die
+	 * passende Geschwindigkeit beizubehalten.
+	 */
+	private double m = 1.0, lastEase = 0.0;
+
+	private boolean easeInOnly = false;
+
+	public ContinousAnimation( Animation<T> baseAnimation ) {
+		this(baseAnimation, 0, false);
+	}
+
+	public ContinousAnimation( Animation<T> baseAnimation, int lag ) {
+		this(baseAnimation, lag, false);
+	}
+
+	public ContinousAnimation( Animation<T> baseAnimation, boolean easeInOnly ) {
+		this(baseAnimation, 0, easeInOnly);
+	}
+
+	private ContinousAnimation( Animation<T> baseAnimation, int lag, boolean easeInOnly ) {
+		super(baseAnimation.getRuntime(), baseAnimation.getEasing());
+		this.baseAnimation = baseAnimation;
+		this.lag = lag;
+		this.easeInOnly = easeInOnly;
+	}
+
+	@Override
+	public T getAnimationTarget() {
+		return baseAnimation.getAnimationTarget();
+	}
+
+	@Override
+	public void update( double delta ) {
+		elapsedTime += (int) (delta * 1000);
+		if( elapsedTime >= runtime + lag ) {
+			elapsedTime %= (runtime + lag);
+
+			if( easeInOnly && easing != null ) {
+				easing = null;
+				// runtime = (int)((1.0/m)*(runtime + lag));
+			}
+		}
+
+		double t = (double) elapsedTime / (double) runtime;
+		if( t >= 1.0 ) {
+			t = 1.0;
+		}
+		if( easing != null ) {
+			double e = easing.applyAsDouble(t);
+			animate(e);
+			m = (e-lastEase)/(delta*1000/(asDouble(runtime)));
+			lastEase = e;
+		} else {
+			animate(t);
+		}
+	}
+
+	@Override
+	public void animate( double e ) {
+		baseAnimation.animate(e);
+	}
+
+}

src/main/java/schule/ngb/zm/anim/FadeAnimation.java

@@ -36,7 +36,7 @@ public class FadeAnimation extends Animation<Shape> {
 	}
 
 	@Override
-	public void interpolate( double e ) {
+	public void animate( double e ) {
 		object.setFillColor(new Color(fill, (int) Constants.interpolate(fillAlpha, tAlpha, e)));
 		object.setStrokeColor(new Color(stroke, (int) Constants.interpolate(strokeAlpha, tAlpha, e)));
 	}

src/main/java/schule/ngb/zm/anim/FillAnimation.java

@@ -26,7 +26,7 @@ public class FillAnimation extends Animation<Shape> {
 	}
 
 	@Override
-	public void interpolate( double e ) {
+	public void animate( double e ) {
 		object.setFillColor(Color.interpolate(oFill, tFill, e));
 	}
 

src/main/java/schule/ngb/zm/anim/MorphAnimation.java

@@ -27,7 +27,7 @@ public class MorphAnimation extends Animation<Shape> {
 	}
 
 	@Override
-	public void interpolate( double e ) {
+	public void animate( double e ) {
 		object.setX(Constants.interpolate(original.getX(), target.getX(), e));
 		object.setY(Constants.interpolate(original.getY(), target.getY(), e));
 		object.setFillColor(Color.interpolate(original.getFillColor(), target.getFillColor(), e));

src/main/java/schule/ngb/zm/anim/MoveAnimation.java

@@ -31,7 +31,7 @@ public class MoveAnimation extends Animation<Shape> {
 	}
 
 	@Override
-	public void interpolate( double e ) {
+	public void animate( double e ) {
 		object.setX(Constants.interpolate(oX, tX, e));
 		object.setY(Constants.interpolate(oY, tY, e));
 	}

src/main/java/schule/ngb/zm/anim/RotateAnimation.java

@@ -25,7 +25,7 @@ public class RotateAnimation extends Animation<Shape> {
 	}
 
 	@Override
-	public void interpolate( double e ) {
+	public void animate( double e ) {
 		object.rotateTo(Constants.interpolate(oA, tA, e));
 	}
 

src/main/java/schule/ngb/zm/anim/StrokeAnimation.java

@@ -25,7 +25,7 @@ public class StrokeAnimation extends Animation<Shape> {
 	}
 
 	@Override
-	public void interpolate( double e ) {
+	public void animate( double e ) {
 		object.setStrokeColor(Color.interpolate(oFill, tFill, e));
 	}
 

src/main/java/schule/ngb/zm/anim/WaveAnimation.java

@@ -0,0 +1,37 @@
+package schule.ngb.zm.anim;
+
+import schule.ngb.zm.Constants;
+import schule.ngb.zm.Options;
+import schule.ngb.zm.shapes.Shape;
+
+import java.util.function.DoubleUnaryOperator;
+
+public class WaveAnimation extends Animation<Shape> {
+
+	private Shape object;
+
+	private double strength, sinOffset, previousDelta = 0.0;
+
+	private Options.Direction dir;
+
+	public WaveAnimation( Shape target, double strength, Options.Direction dir, double sinOffset, int runtime, DoubleUnaryOperator easing ) {
+		super(runtime, easing);
+		this.object = target;
+		this.dir = dir;
+		this.strength = strength;
+		this.sinOffset = sinOffset;
+	}
+
+	@Override
+	public Shape getAnimationTarget() {
+		return object;
+	}
+
+	@Override
+	public void animate( double e ) {
+		double delta = this.strength * Constants.sin(Constants.interpolate(0.0, Constants.TWO_PI, e) + sinOffset);
+		object.move((delta - previousDelta) * dir.x, (delta - previousDelta) * dir.y);
+		previousDelta = delta;
+	}
+
+}

src/main/java/schule/ngb/zm/layers/ShapesLayer.java

@@ -116,6 +116,14 @@ public class ShapesLayer extends Layer {
 		anim.start();
 	}
 
+
+	public void play( Animation<? extends Shape>... anims ) {
+		for( Animation<? extends Shape> anim: anims ) {
+			this.animations.add(anim);
+			anim.start();
+		}
+	}
+
 	public <S extends Shape> void play( Animation<S> anim, int runtime ) {
 		play(anim, runtime, Easing.DEFAULT_EASING);
 	}

src/main/java/schule/ngb/zm/media/Music.java

@@ -122,7 +122,7 @@ public class Music implements Audio {
 	 * {@inheritDoc}
 	 */
 	@Override
-	public void play() {
+	public synchronized void play() {
 		if( openLine() ) {
 			TaskRunner.run(new Runnable() {
 				@Override
@@ -147,7 +147,7 @@ public class Music implements Audio {
 	 * {@inheritDoc}
 	 */
 	@Override
-	public void loop() {
+	public synchronized void loop() {
 		looping = true;
 		play();
 	}
@@ -156,7 +156,7 @@ public class Music implements Audio {
 	 * {@inheritDoc}
 	 */
 	@Override
-	public void stop() {
+	public synchronized void stop() {
 		playing = false;
 		looping = false;
 		dispose();
@@ -166,7 +166,7 @@ public class Music implements Audio {
 	 * {@inheritDoc}
 	 */
 	@Override
-	public void dispose() {
+	public synchronized void dispose() {
 		if( audioLine != null ) {
 			if( audioLine.isRunning() ) {
 				playing = false;
@@ -175,7 +175,6 @@ public class Music implements Audio {
 			if( audioLine.isOpen() ) {
 				audioLine.drain();
 				audioLine.close();
-
 			}
 		}
 		try {
@@ -189,7 +188,7 @@ public class Music implements Audio {
 		audioStream = null;
 	}
 
-	private void stream() {
+	private synchronized void stream() {
 		audioLine.start();
 		playing = true;
 		if( eventDispatcher != null ) {

src/main/java/schule/ngb/zm/media/Sound.java

@@ -1,8 +1,8 @@
 package schule.ngb.zm.media;
 
 import schule.ngb.zm.util.Log;
-import schule.ngb.zm.util.io.ResourceStreamProvider;
 import schule.ngb.zm.util.Validator;
+import schule.ngb.zm.util.io.ResourceStreamProvider;
 
 import javax.sound.sampled.*;
 import java.io.IOException;
@@ -125,7 +125,7 @@ public class Sound implements Audio {
 	 * {@inheritDoc}
 	 */
 	@Override
-	public void stop() {
+	public synchronized void stop() {
 		looping = false;
 		if( audioClip.isRunning() ) {
 			audioClip.stop();
@@ -137,7 +137,7 @@ public class Sound implements Audio {
 	 * {@inheritDoc}
 	 */
 	@Override
-	public void play() {
+	public synchronized void play() {
 		if( this.openClip() ) {
 			audioClip.start();
 			playing = true;
@@ -176,7 +176,7 @@ public class Sound implements Audio {
 	 * allerdings wird der aufrufende Thread nicht blockiert und
 	 * {@link #dispose()} automatisch am Ende aufgerufen.
 	 */
-	public void playOnce() {
+	public synchronized void playOnce() {
 		disposeAfterPlay = true;
 		play();
 	}
@@ -200,16 +200,17 @@ public class Sound implements Audio {
 	 * {@inheritDoc}
 	 */
 	@Override
-	public void loop() {
+	public synchronized void loop() {
 		loop(Clip.LOOP_CONTINUOUSLY);
 	}
 
 	/**
-	 * Wiederholt den Sound die angegebene Anzahl an Wiederholungen ab und stoppt
-	 * die Wiedergabe dann.
+	 * Wiederholt den Sound die angegebene Anzahl an Wiederholungen ab und
+	 * stoppt die Wiedergabe dann.
+	 *
 	 * @param count Anzahl der Wiederholungen.
 	 */
-	public void loop( int count ) {
+	public synchronized void loop( int count ) {
 		if( count > 0 ) {
 			int loopCount = count;
 			if( loopCount != Clip.LOOP_CONTINUOUSLY ) {
@@ -231,7 +232,7 @@ public class Sound implements Audio {
 	 * {@inheritDoc}
 	 */
 	@Override
-	public void dispose() {
+	public synchronized void dispose() {
 		if( audioClip != null ) {
 			if( audioClip.isRunning() ) {
 				audioClip.stop();

src/main/java/schule/ngb/zm/shapes/Rectangle.java

@@ -15,6 +15,8 @@ public class Rectangle extends Shape {
 		this.width = width;
 		this.height = height;
 		this.anchor = Options.Direction.NORTHWEST;
+
+		//this.cacheEnabled = getClass().equals(Rectangle.class);
 	}
 
 	public Rectangle( Rectangle pRechteck ) {
@@ -64,12 +66,10 @@ public class Rectangle extends Shape {
 
 	public void setWidth( double width ) {
 		this.width = width;
-		invalidate();
 	}
 
 	public void setHeight( double height ) {
 		this.height = height;
-		invalidate();
 	}
 
 	@Override
@@ -92,7 +92,6 @@ public class Rectangle extends Shape {
 		super.scale(factor);
 		width *= factor;
 		height *= factor;
-		invalidate();
 	}
 
 	@Override

src/main/java/schule/ngb/zm/shapes/Shape.java

@@ -66,11 +66,6 @@ public abstract class Shape extends FilledShape {
 	 */
 	protected Options.Direction anchor = Options.Direction.CENTER;
 
-	/**
-	 * Zwischenspeicher für die AWT-Shape zu dieser Form.
-	 */
-	protected java.awt.Shape awtShape = null;
-
 	/**
 	 * Setzt die x- und y-Koordinate der Form auf 0.
 	 */
@@ -406,13 +401,6 @@ public abstract class Shape extends FilledShape {
 	 */
 	public abstract java.awt.Shape getShape();
 
-	/**
-	 * Interne Methode, um den Zwischenspeicher der Java-AWT Shape zu löschen.
-	 */
-	protected void invalidate() {
-		awtShape = null;
-	}
-
 	/**
 	 * Gibt die Begrenzungen der Form zurück.
 	 * <p>
@@ -566,12 +554,8 @@ public abstract class Shape extends FilledShape {
 			return;
 		}
 
-		if( awtShape == null ) {
-			awtShape = getShape();
-		}
-
-		if( awtShape != null ) {
-			java.awt.Shape shape = awtShape;
+		java.awt.Shape shape = getShape();
+		if( shape != null ) {
 			if( transform != null ) {
 				shape = transform.createTransformedShape(shape);
 			}

src/main/java/schule/ngb/zm/util/Log.java

@@ -77,7 +77,7 @@ public final class Log {
 	 */
 	public static void enableGlobalLevel( Level level ) {
 		int lvl = Validator.requireNotNull(level).intValue();
-		ensureRootLoggerIntialized();
+		ensureRootLoggerInitialized();
 
 		// Decrease level of root level ConsoleHandlers for output
 		Logger rootLogger = Logger.getLogger("");
@@ -116,22 +116,24 @@ public final class Log {
 	}
 
 	public static Log getLogger( Class<?> clazz ) {
-		ensureRootLoggerIntialized();
+		ensureRootLoggerInitialized();
 		return new Log(clazz);
 	}
 
-	private static void ensureRootLoggerIntialized() {
+	private static void ensureRootLoggerInitialized() {
 		if( LOGGING_INIT ) {
 			return;
 		}
 
+		if( System.getProperty("java.util.logging.SimpleFormatter.format") == null ) {
+			System.setProperty("java.util.logging.SimpleFormatter.format", DEFAULT_LOG_FORMAT);
+		}
 		Logger rootLogger = Logger.getLogger(ROOT_LOGGER);
 		rootLogger.setLevel(Level.INFO);
 
 		if( System.getProperty("java.util.logging.SimpleFormatter.format") == null
 			&& LogManager.getLogManager().getProperty("java.util.logging.SimpleFormatter.format") == null ) {
-			System.setProperty("java.util.logging.SimpleFormatter.format", DEFAULT_LOG_FORMAT);
-			//rootLogger.addHandler(new StreamHandler(System.err, new LogFormatter()));
+			// System.setProperty("java.util.logging.SimpleFormatter.format", DEFAULT_LOG_FORMAT);
 			rootLogger.addHandler(new StreamHandler(System.err, new LogFormatter()) {
 				@Override
 				public synchronized void publish(final LogRecord record) {
@@ -139,7 +141,7 @@ public final class Log {
 					flush();
 				}
 			});
-			rootLogger.setUseParentHandlers(false);
+			// rootLogger.setUseParentHandlers(false);
 		}
 		if( rootLogger.getUseParentHandlers() ) {
 			// This logger was not configured somewhere else

src/main/java/schule/ngb/zm/util/io/FontLoader.java

@@ -4,6 +4,7 @@ import schule.ngb.zm.util.Log;
 
 import java.awt.Font;
 import java.awt.FontFormatException;
+import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.Map;
@@ -14,20 +15,50 @@ public class FontLoader {
 
 	private static final Map<String, Font> fontCache = new ConcurrentHashMap<>();
 
+	/**
+	 * Lädt eine Schrift aus einer Datei.
+	 * <p>
+	 * Die Schrift wird unter ihrem Dateinamen in den Schriftenspeicher geladen
+	 * und kann danach in der Zeichenmaschine benutzt werden.
+	 *
+	 * Ein Datei mit dem Namen "fonts/Font-Name.ttf" würde mit dem Namen
+	 * "Font-Name" geladen und kann danach zum Beispiel in einem
+	 * {@link schule.ngb.zm.shapes.Text} mit {@code text.setFont("Font-Name");}
+	 * verwendet werden.
+	 *
+	 * @param source
+	 * @return
+	 */
 	public static Font loadFont( String source ) {
+		String name = source;
+		// Dateipfad entfernen
+		int lastIndex = source.lastIndexOf(File.separatorChar);
+		if( lastIndex > -1 ) {
+			source.substring(lastIndex + 1);
+		}
+		// Dateiendung entfernen
+		lastIndex = name.lastIndexOf('.');
+		if( lastIndex > -1 ) {
+			name = name.substring(0, lastIndex);
+		}
+		return loadFont(name, source);
+	}
+
+	public static Font loadFont( String name, String source ) {
 		Objects.requireNonNull(source, "Font source may not be null");
 		if( source.length() == 0 ) {
 			throw new IllegalArgumentException("Font source may not be empty.");
 		}
 
-		if( fontCache.containsKey(source) ) {
-			LOG.trace("Retrieved font <%s> from font cache.", source);
-			return fontCache.get(source);
+		if( fontCache.containsKey(name) ) {
+			LOG.trace("Retrieved font <%s> from font cache.", name);
+			return fontCache.get(name);
 		}
 
 		// Look for System fonts
 		Font font = Font.decode(source);
 		if( font != null && source.toLowerCase().contains(font.getFamily().toLowerCase()) ) {
+			fontCache.put(name, font);
 			fontCache.put(source, font);
 			LOG.debug("Loaded system font for <%s>.", source);
 			return font;
@@ -40,10 +71,11 @@ public class FontLoader {
 			font = Font.createFont(Font.TRUETYPE_FONT, in).deriveFont(Font.PLAIN);
 
 			if( font != null ) {
+				fontCache.put(name, font);
 				fontCache.put(source, font);
 				//ge.registerFont(font);
 			}
-			LOG.debug("Loaded custom font from <%s>.", source);
+			LOG.debug("Loaded custom font from source <%s>.", source);
 		} catch( IOException ioex ) {
 			LOG.error(ioex, "Error loading custom font file from source <%s>.", source);
 		} catch( FontFormatException ffex ) {

src/test/java/schule/ngb/zm/anim/AnimationsTest.java

@@ -61,7 +61,7 @@ class AnimationsTest {
 
 	private void _animateMove( Shape s, int runtime, DoubleUnaryOperator easing ) {
 		s.moveTo(0, 0);
-		Future<Shape> future = Animations.animate(
+		Future<Shape> future = Animations.play(
 			s, runtime,
 			easing,
 			( e ) -> Constants.interpolate(0, zm.getWidth(), e),
@@ -90,25 +90,11 @@ class AnimationsTest {
 		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);
+		Future<Shape> future = Animations.play(
+			s, runtime, easing, (e) -> {
+				double rad = Math.toRadians(Constants.interpolate(0, 360, e));
 				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());
@@ -147,7 +133,7 @@ class AnimationsTest {
 	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(
+		Future<Shape> future = Animations.play(
 			s, runtime,
 			easing,
 			( e ) -> s.rotateTo(Constants.interpolate(0, 720, e))
@@ -179,7 +165,7 @@ class AnimationsTest {
 	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(
+		Future<Shape> future = Animations.play(
 			s, runtime,
 			easing,
 			( e ) -> Color.interpolate(from, to, e),