 	 */
 	public static function isDeltaIdentity(matrix:Matrix):Boolean
 	{
-	    if (matrix.a == 1 && matrix.d == 1 &&
-	    	matrix.b == 0 && matrix.c == 0)
-            return true;
-        return false;
+	    return (matrix.a == 1 && matrix.d == 1 &&
+	    	    matrix.b == 0 && matrix.c == 0);
     }
     
     /**

	}
	
	/**
	 *  @param matrix
	 *  @return Returns true when <code>pt == matrix.DeltaTransformPoint(pt)</code>
	 *  for any <code>pt:Point</code> (<code>matrix</code> is identity matrix,


import flash.display.DisplayObject;
import flash.geom.Matrix;
import flash.geom.Matrix3D;
import flash.geom.PerspectiveProjection;
import flash.geom.Point;
import flash.geom.Rectangle;
import flash.geom.Utils3D;
import flash.geom.Vector3D;
import flash.utils.getDefinitionByName;

[ExcludeClass]
