Created
May 19, 2018 06:48
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| this.update = function() { | |
| if (this.x + this.radius > ww || this.x - this.radius < 0) { | |
| this.dx = -this.dx; | |
| } | |
| if (this.y + this.radius > wh || this.y - this.radius < 0) { | |
| this.dy = -this.dy; | |
| } | |
| this.x += this.dx; | |
| this.y += this.dy; | |
| } |
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