/ Published in: ActionScript 3
Circular movement formula
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var ball:Sprite; var angle:Number=0; var centerX:Number=100; var centerY:Number=200; var radius:Number=50; var speed:Number=.1; function enterFrameHandler(e:Event):void { ball.x=centerX+Math.sin(angle)*radius; ball.y=centerY+Math.cos(angle)*radius angle+=speed; }