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Diffstat (limited to 'java/gjt/animation/EdgeCollisionDetector.java')
-rw-r--r-- | java/gjt/animation/EdgeCollisionDetector.java | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/java/gjt/animation/EdgeCollisionDetector.java b/java/gjt/animation/EdgeCollisionDetector.java deleted file mode 100644 index 8624b7c2f28..00000000000 --- a/java/gjt/animation/EdgeCollisionDetector.java +++ /dev/null @@ -1,53 +0,0 @@ -package gjt.animation; - -import java.awt.*; -import java.util.Enumeration; -import java.util.Vector; -import gjt.Orientation; - -/** - * A CollisionDetector that detects collisions between Sprites - * and the edges of the CollisionArena in which they reside.<p> - * - * @version 1.0, Apr 1 1996 - * @author David Geary - * @see CollisionDetector - * @see Sprite - * @see gjt.test.SimpleAnimationTest - * @see gjt.test.BumpAnimationTest - * @see gjt.test.TwoDrinkersAnimationTest - */ -public class EdgeCollisionDetector extends CollisionDetector { - public EdgeCollisionDetector(CollisionArena arena) { - super(arena); - } - public void detectCollisions() { - Enumeration sprites = arena.getSprites().elements(); - Dimension arenaSize = arena.getSize(); - Insets arenaInsets = arena.getInsets(); - Sprite sprite; - - while(sprites.hasMoreElements()) { - sprite = (Sprite)sprites.nextElement(); - - Point nl = sprite.nextLocation (); - Point mv = sprite.getMoveVector(); - int nextRightEdge = nl.x + sprite.width(); - int nextBottomEdge = nl.y + sprite.height(); - int arenaBottomEdge = arenaSize.height - - arenaInsets.bottom; - int arenaRightEdge = arenaSize.width - - arenaInsets.right; - - if(nextRightEdge > arenaRightEdge) - arena.edgeCollision(sprite, Orientation.LEFT); - else if(nl.x < arenaInsets.left) - arena.edgeCollision(sprite, Orientation.RIGHT); - - if(nextBottomEdge > arenaBottomEdge) - arena.edgeCollision(sprite, Orientation.BOTTOM); - else if(nl.y < arenaInsets.top) - arena.edgeCollision(sprite, Orientation.TOP); - } - } -} |