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AS3 Flexible Partial Shifts Formula

/ Published in: ActionScript 3
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**mostly used inside an onEnterFrame event handler

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  1. var dx:Number = sprite.x - fixedX; 
  2. var dy:Number = sprite.y - fixedY; 
  3.  
  4. var angle:Number = Math.atan2(dy, dx); 
  5.  
  6. var targetX:Number = fixedX + Math.cos(angle) * springLength; 
  7. var targetY:Number = fixedX + Math.sin(angle) * springLength;

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