52 lines
1.2 KiB
JavaScript
52 lines
1.2 KiB
JavaScript
ig.module(
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'game.entities.ball'
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)
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.requires(
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'impact.entity'
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)
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.defines(function(){
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EntityBall = ig.Entity.extend({
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name: 'ball',
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size: {x: 24, y: 24},
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collides: ig.Entity.COLLIDES.ACTIVE,
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type: ig.Entity.TYPE.B,
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animSheet: new ig.AnimationSheet( 'media/ball.png', 24, 24 ),
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bounciness: 1,
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maxVel: {x: 1000, y: 1000},
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init: function( x, y, settings ) {
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this.parent( x, y, settings );
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this.addAnim( 'idle', 1, [0] );
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this.randomVel();
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},
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ready: function() {
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this.startPos = {x: this.pos.x, y: this.pos.y};
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},
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collideWith: function( other, axis ) {
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if (other.name == 'paddle') {
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// the horizontal speed of the ball multiplied
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// every time it hits a paddle
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this.vel.x *= 1.15;
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// the paddles y movement is added to the ball,
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// so that players can give the ball a spin
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this.vel.y += other.vel.y/2;
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}
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},
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reset: function() {
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this.randomVel();
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this.pos.x = this.startPos.x;
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this.pos.y = this.startPos.y;
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},
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randomVel: function() {
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this.vel.x = Math.random()*100+100;
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if (Math.random() > .5) this.vel.x *= -1;
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this.vel.y = Math.random()*20+50;
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}
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});
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});
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