public MotionAct(short objId, RendererService.Direction direction, short fromX, short fromY,
                  short toX, short toY)
 {
     this.objId     = objId;
     this.direction = direction;
     this.fromX     = fromX;
     this.fromY     = fromY;
     this.toX       = toX;
     this.toY       = toY;
 }
 public JumpAct(short objId, RendererService.Direction direction, short fromX, short fromY,
                short toX, short toY) : base(objId, direction, fromX, fromY, toX, toY)
 {
 }
 public void Jump(short objId, RendererService.Direction direction, short fromX, short fromY, short toX, short toY)
 {
     AddAct(new JumpAct(objId, direction, fromX, fromY, toX, toY));
 }