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Diffstat (limited to 'java/gjt/animation/Sprite.java')
| -rw-r--r-- | java/gjt/animation/Sprite.java | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/java/gjt/animation/Sprite.java b/java/gjt/animation/Sprite.java deleted file mode 100644 index e7840b7615b..00000000000 --- a/java/gjt/animation/Sprite.java +++ /dev/null @@ -1,191 +0,0 @@ -package gjt.animation; - -import java.awt.*; -import java.util.Vector; -import gjt.Assert; -import gjt.Stopwatch; -import gjt.Util; - -/** - * A sequence of images which are animated and moved about on - * a Playfield.<p> - * - * Each Sprite is constructed with a reference to it's - * Playfield, a Sequence, and a beginning position for it's - * upper left hand corner.<p> - * - * A Sprite's animation is controlled by invoking the following - * methods: - *<dl> - *<dd> setMoveVector(Point) - *<dd> setMoveInterval(long) - *<dd> setImageChangeInterval(long) - *<dd> setMainSequence(Sequence) - *<dd> setSequence(Sequence) - *</dl> - * - * @version 1.0, Apr 1 1996 - * @author David Geary - * @see Sequence - * @see Playfield - * @see SpriteCollisionDetector - * @see gjt.test.SimpleAnimationTest - * @see gjt.test.BumpAnimationTest - * @see gjt.test.TwoDrinkersAnimationTest - */ -public class Sprite { - private Playfield field; - private Sequence currentSequence, mainSequence; - private Stopwatch moveTimer = new Stopwatch(); - - private Point ulhc = new Point(0,0); - private Point start = new Point(0,0); - private Point moveVector = new Point(1,1); - - private Rectangle clip = new Rectangle(0,0); - private Rectangle curBounds, lastBounds; - - private int width, height; - private long moveInterval = 0; - - public Sprite(Playfield field, - Sequence sequence, - Point ulhc) { - Assert.notNull(field); - Assert.notNull(sequence); - Assert.notNull(ulhc); - - this.field = field; - this.ulhc = ulhc; - start.x = ulhc.x; - start.y = ulhc.y; - - setSequence(sequence); - setMainSequence(sequence); - - initializeBounds(); - moveTimer.start(); - currentSequence.start(); - } - public Playfield getPlayfield() { return field; } - public Rectangle clipRect () { return clip; } - public Rectangle curBounds () { return curBounds; } - - public int width () { return width; } - public int height () { return height; } - public void reverseX () { moveVector.x = 0-moveVector.x; } - public void reverseY () { moveVector.y = 0-moveVector.y; } - public void reverse () { reverseX(); reverseY(); } - public Point start () { return start; } - - public void setMoveVector (Point p) { moveVector = p; } - public Point getMoveVector() { return moveVector; } - - public void play(Sequence sequence, long cycles) { - setSequence(sequence); - sequence.setCyclesPerAnimation(cycles); - sequence.setCurrentCycle(0); - } - public void animate() { - if(currentSequence.animationOver()) - currentSequence = mainSequence; - - if(timeToChangeImage()) currentSequence.advance(); - if(timeToMove()) move(); - if(needsRepainting()) field.paintSprite(this); - } - public void setMainSequence(Sequence sequence) { - mainSequence = sequence; - } - public Sequence getMainSequence() { - return mainSequence; - } - public void setSequence(Sequence sequence) { - currentSequence = sequence; - - if(curBounds != null) - updateBounds(); - } - public Sequence getSequence() { - return currentSequence; - } - public boolean intersects(Sprite otherSprite) { - return curBounds().intersects(otherSprite.curBounds()); - } - public boolean willIntersect(Sprite otherSprite) { - return - nextBounds().intersects(otherSprite.nextBounds()); - } - public boolean timeToMove() { - return moveTimer.elapsedTime() > moveInterval; - } - public boolean timeToChangeImage() { - return currentSequence.timeToAdvanceCell(); - } - public void moveTo(Point p) { - ulhc = p; - moveTimer.reset(); - } - public boolean needsRepainting() { - return currentSequence.needsRepainting(ulhc); - } - public void setMoveInterval(long interval) { - moveInterval = interval; - } - public void setImageChangeInterval(long interval) { - currentSequence.setAdvanceInterval(interval); - } - public void move() { - ulhc.x += moveVector.x; - ulhc.y += moveVector.y; - updateBounds(); - moveTimer.reset(); - } - public Point location() { - return ulhc; - } - public Point nextLocation() { - return new Point(ulhc.x + moveVector.x, - ulhc.y + moveVector.y); - } - public Rectangle nextBounds() { - Image nextImage = currentSequence.getNextImage(); - Point nextLoc = nextLocation(); - - return new Rectangle( - nextLoc.x, nextLoc.y, width, height); - } - public void paint(Graphics g) { - currentSequence.paint(g, ulhc.x, ulhc.y, field); - } - private void initializeBounds() { - Image curImage = currentSequence.getCurrentImage(); - - width = curImage.getWidth (field); - height = curImage.getHeight(field); - - curBounds = - new Rectangle(ulhc.x, ulhc.y, width, height); - - lastBounds = new Rectangle(curBounds.x, - curBounds.y, - curBounds.width, - curBounds.height); - - clip = lastBounds.union(curBounds); - } - private void updateBounds() { - Image curImage = currentSequence.getCurrentImage(); - - lastBounds.width = curBounds.width; - lastBounds.height = curBounds.height; - - curBounds.width = width = curImage.getWidth(field); - curBounds.height = height = curImage.getHeight(field); - - lastBounds.move(curBounds.x, curBounds.y); - curBounds.move (ulhc.x, ulhc.y); - - clip = lastBounds.union(curBounds); - } -} |