ig.module(
	'game.entities.ball'
)
.requires(
	'impact.entity'
)
.defines(function(){

	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.randomVel();
		},

		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;
		}

	});

});