Sparrow.Touches.Touch.MovementInSpace C# (CSharp) Méthode

        public Point MovementInSpace(DisplayObject space)
        {
            Matrix transformationMatrix = Target.Stage.TransformationMatrixToSpace(space);
            Point curLoc = transformationMatrix.TransformPoint(GlobalX, GlobalY);
            Point preLoc = transformationMatrix.TransformPoint(PreviousGlobalX, PreviousGlobalY);
            curLoc.SubtractPoint(preLoc);
            return curLoc;
        }