improved the ball movement; added the goal for the ball that resets the ball position

dev/lib/game/entities/ball.js

@@ -8,20 +8,52 @@ ig.module(
 
 	EntityBall = ig.Entity.extend({
 
+		name: 'ball',
+
 		size: {x:48, y:48},
 		collides: ig.Entity.COLLIDES.ACTIVE,
+		type: ig.Entity.TYPE.B,
 
 		animSheet: new ig.AnimationSheet( 'media/ball.png', 48, 48 ),
 
 		bounciness: 1,
+		maxVel: {x: 1000, y: 1000},
 
 		init: function( x, y, settings ) {
 			this.parent( x, y, settings );
 			
 			this.addAnim( 'idle', 1, [0] );
 
-			this.vel.x = -400;
+			this.randomVel();
-			this.vel.y = 200;
+		},
+
+		ready: function() {
+			this.startPos = {x: this.pos.x, y: this.pos.y};
+		},
+
+		collideWith: function( other, axis ) {
+			if(other.name == 'paddle') {
+				// the horizontal speed of the ball multiplied
+				// every time it hits a paddle
+				this.vel.x *= 1.15;
+
+				// the paddles y movement is added to the ball,
+				// so that players can give the ball a spin
+				this.vel.y += other.vel.y/2;
+			}
+		},
+
+		reset: function() {
+			this.randomVel();
+
+			this.pos.x = this.startPos.x;
+			this.pos.y = this.startPos.y;
+		},
+
+		randomVel: function() {
+			this.vel.x = (Math.random()*(100)) + 100;
+			if(Math.random() > .5) this.vel.x *= -1;
+			this.vel.y = (Math.random()*20) + 50;
 		}
 
 	});

dev/lib/game/entities/goal.js

@@ -0,0 +1,28 @@
+ig.module(
+	'game.entities.goal'
+)
+.requires(
+	'impact.entity'
+)
+.defines(function(){
+
+	EntityGoal = ig.Entity.extend({
+
+		height: 90,
+
+		size: {x:48, y:48},
+		checkAgainst: ig.Entity.TYPE.B,
+
+		_wmScalable: true,
+		_wmDrawBox: true,
+		_wmBoxColor: '#00ff00',
+
+		check: function( other ) {
+			if(other.name == 'ball') {
+				other.reset();
+			}
+		}
+
+	});
+
+});

dev/lib/game/entities/paddle-player.js

@@ -21,16 +21,6 @@ ig.module(
 				this.vel.y = 0;
 			}
 
-			if( ig.input.state('left') ) {
-				this.vel.x = -400;
-			}
-			else if( ig.input.state('right') ) {
-				this.vel.x = 400;
-			}
-			else {
-				this.vel.x = 0;
-			}
-
 			this.parent();
 		}
 

dev/lib/game/entities/paddle.js

@@ -8,12 +8,15 @@ ig.module(
 
 	EntityPaddle = ig.Entity.extend({
 
+		name: 'paddle',
+
 		size: {x:64, y:128},
 		collides: ig.Entity.COLLIDES.FIXED,
+		type: ig.Entity.TYPE.A,
 
 		animSheet: new ig.AnimationSheet( 'media/paddle.png', 64, 128 ),
 
-		maxVel: {x: 400, y: 400},
+		maxVel: {x: 0, y: 400},
 
 		init: function( x, y, settings ) {
 			this.parent( x, y, settings );

dev/lib/game/levels/level1.js

@@ -1,6 +1,6 @@
 ig.module( 'game.levels.level1' )
-.requires( 'impact.image','game.entities.paddle-enemy','game.entities.paddle-player','game.entities.ball' )
+.requires( 'impact.image','game.entities.paddle-enemy','game.entities.paddle-player','game.entities.ball','game.entities.goal' )
 .defines(function(){
-LevelLevel1=/*JSON[*/{"entities":[{"type":"EntityPaddleEnemy","x":8,"y":152},{"type":"EntityPaddlePlayer","x":548,"y":112},{"type":"EntityBall","x":288,"y":144}],"layer":[{"name":"bg","width":13,"height":8,"linkWithCollision":false,"visible":1,"tilesetName":"media/tileset.png","repeat":false,"preRender":false,"distance":"1","tilesize":48,"foreground":false,"data":[[1,1,1,1,1,1,1,1,1,1,1,1,1],[2,2,2,2,2,2,2,2,2,2,2,2,2],[2,2,2,2,1,2,2,2,2,2,2,2,2],[2,2,2,2,2,2,2,2,2,2,2,2,2],[2,2,2,2,2,2,2,2,2,2,2,2,2],[2,2,2,2,2,2,2,2,1,2,2,2,2],[2,2,2,2,2,2,2,2,2,2,2,2,2],[1,1,1,1,1,1,1,1,1,1,1,1,1]]},{"name":"collision","width":13,"height":8,"linkWithCollision":false,"visible":1,"tilesetName":"","repeat":false,"preRender":false,"distance":1,"tilesize":48,"foreground":false,"data":[[1,1,1,1,1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,1,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,1,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1,1,1,1,1]]}]}/*]JSON*/;
+LevelLevel1=/*JSON[*/{"entities":[{"type":"EntityPaddleEnemy","x":48,"y":128},{"type":"EntityPaddlePlayer","x":512,"y":128},{"type":"EntityBall","x":288,"y":192},{"type":"EntityGoal","x":604,"y":48,"settings":{"size":{"x":20,"y":288}}},{"type":"EntityGoal","x":0,"y":48,"settings":{"size":{"x":20,"y":288}}}],"layer":[{"name":"bg","width":13,"height":8,"linkWithCollision":false,"visible":1,"tilesetName":"media/tileset.png","repeat":false,"preRender":false,"distance":"1","tilesize":48,"foreground":false,"data":[[1,1,1,1,1,1,1,1,1,1,1,1,1],[2,2,2,2,2,2,2,2,2,2,2,2,2],[2,2,2,2,2,2,2,2,2,2,2,2,2],[2,2,2,2,2,2,2,2,2,2,2,2,2],[2,2,2,2,2,2,2,2,2,2,2,2,2],[2,2,2,2,2,2,2,2,2,2,2,2,2],[2,2,2,2,2,2,2,2,2,2,2,2,2],[1,1,1,1,1,1,1,1,1,1,1,1,1]]},{"name":"collision","width":13,"height":8,"linkWithCollision":false,"visible":1,"tilesetName":"","repeat":false,"preRender":false,"distance":1,"tilesize":48,"foreground":false,"data":[[1,1,1,1,1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1,1,1,1,1]]}]}/*]JSON*/;
 LevelLevel1Resources=[new ig.Image('media/tileset.png')];
 });

dev/lib/game/main.js

@@ -22,8 +22,6 @@ MyGame = ig.Game.extend({
 	init: function() {
 		ig.input.bind( ig.KEY.UP_ARROW, 'up' );
 		ig.input.bind( ig.KEY.DOWN_ARROW, 'down' );
-		ig.input.bind( ig.KEY.LEFT_ARROW, 'left' );
-		ig.input.bind( ig.KEY.RIGHT_ARROW, 'right' );
 
 		this.loadLevel( LevelLevel1 );
 	},