Posted By

burakkirkil on 07/29/12

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Last Edited at 07/29/12 10:07am

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Tween3D - 3D Deformation Resolver&Helper

/ Published in: ActionScript 3

Simple static 3D Deformation Resolver&Helper

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package tr.com.gotoandrock.utils
{
	import com.greensock.TweenLite;
	
	import flash.display.DisplayObject;
	import flash.geom.Matrix;

/**
	 * Helps 3d tranformation applied target back to normal 2D Matrix and look&feel :)
	 * Should only use tween ends with if z value equal 0;
	 * Attention Please: onComplete and onCompleteParams overrides
	 * @author Burak KÄ±rkÄ±l
	 * 
	 */	
	public class Tween3D
	{
		public static function to(target:DisplayObject, duration:Number, vars:Object):void
		{
			TweenLite.to(target, duration, scaleTargetAndGet2dVars(target, vars));
		}
		
		public static function from(target:DisplayObject, duration:Number, vars:Object):void
		{
			TweenLite.from(target, duration, scaleTargetAndGet2dVars(target, vars));
		}
		
		//////////////////////////////////////////////////////
		// PRIVATE FUNCS
		//////////////////////////////////////////////////////
		private static function scaleTargetAndGet2dVars(target:DisplayObject, vars:Object):Object
		{
			// create vars
			vars.onComplete = backTo2DTarget;
			vars.onCompleteParams = [target, target.transform.matrix];
			// scale target
			target.scaleX = target.width / (target.width + 1);
			target.scaleY = target.height / (target.height + 1);
			return vars;
		}
		
		private static function backTo2DTarget(target:DisplayObject, matrix2d:Matrix):void
		{
			// normalize matrix
			target.transform.matrix = matrix2d;
			target.transform.matrix3D = null;
		}
	}
}

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