interpolate zu animate umbenannt

Animation erbt zur Vereinfachung nun auch von Constants und dort gibt es schon eine interpolate Methode.

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();
 				}
 			}
+			running = false;
+			this.stop();
 		}
+
+		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 {
-			super.update(delta);
-		}
+				t = (double) (elapsedTime - i*lag) / (double) anims.get(i).getRuntime();
 			}
 
-	@Override
-	public void interpolate( double e ) {
-		synchronized( anims ) {
-			for( Animation<? extends Shape> anim: anims ) {
-				anim.interpolate(e);
+			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/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;
+	}
+
+}