package  
{
	import flash.display.Sprite;
	import flash.geom.Matrix3D;
	import flash.geom.Vector3D;	

	/**
	 * @author aM
	 */
	public class MatrixTestApp extends Sprite 
	{
		public function MatrixTestApp()
		{
			var forward: Matrix3D = new Matrix3D();
			forward.prependTranslation( 0, 0, 100 );
			
			var inverse: Matrix3D = forward.clone();
			inverse.invert();

			trace( forward.rawData );
			// outputs 1,0,0,0,0,1,0,0,0,0,1,0,0,0,100,1
			trace( inverse.rawData );
			// outputs 1,0,0,0,0,1,0,0,0,0,1,0,0,0,-100,1
			
			var v: Vector3D;
			
			// TEST 1
			v = new Vector3D( 0, 0, 0 );
			
			trace( v, forward.transformVector( v ), inverse.transformVector( forward.transformVector( v ) ) );
			// outputs Vector3D(0, 0, 0) Vector3D(0, 0, 100) Vector3D(0, 0, -95)
			
			trace( v, inverse.transformVector( v ), forward.transformVector( inverse.transformVector( v ) ) );
			// outputs Vector3D(0, 0, 0) Vector3D(0, 0, -100) Vector3D(0, 0, 95)
			
			// TEST 2
			v = new Vector3D( 0, 0, 100 );
			
			trace( v, forward.transformVector( v ), inverse.transformVector( forward.transformVector( v ) ) );
			// outputs Vector3D(0, 0, 100) Vector3D(0, 0, 105) Vector3D(0, 0, -94.75)
			
			trace( v, inverse.transformVector( v ), forward.transformVector( inverse.transformVector( v ) ) );
			// outputs Vector3D(0, 0, 100) Vector3D(0, 0, -95) Vector3D(0, 0, 95.25)
			
			//-- THIS ONE RUNS PERFECT!
			var vec: Vector.<Number> = Vector.<Number>( [ 0, 0, 100 ] );
			
			forward.transformVectors( vec, vec );
			inverse.transformVectors( vec, vec );
			
			trace( vec );
			// outputs 0,0,100
		}
	}
}