53 lines
1.2 KiB
JavaScript
53 lines
1.2 KiB
JavaScript
ig.module(
|
|
'game.entities.ball'
|
|
)
|
|
.requires(
|
|
'impact.entity'
|
|
)
|
|
.defines(function(){
|
|
EntityBall = ig.Entity.extend({
|
|
name: 'ball',
|
|
size: {x: 24, y: 24},
|
|
collides: ig.Entity.COLLIDES.ACTIVE,
|
|
type: ig.Entity.TYPE.B,
|
|
animSheet: new ig.AnimationSheet( 'media/ball.png', 24, 24 ),
|
|
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;
|
|
}
|
|
});
|
|
});
|
|
|