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AS3 Get Point Using Polar Co-ordinates

/ Published in: ActionScript 3
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This function returns a point object based upon the position, angle and distance of a starting point (polar co-ordinates).

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  1. private function getPolarPoint($startPt:Point, $degrees:Number, $distance:Number):Point 
  2. {
  3. 	var destinationPt:Point = new Point();
  4. 	destinationPt.x = $startPt.x + Math.round($distance * Math.cos( $degrees * Math.PI / 180 ));
  5. 	destinationPt.y = $startPt.y + Math.round($distance * Math.sin( $degrees * Math.PI / 180 ));
  6. 	return destinationPt;
  7. }

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