public EyeCloseWing(float xpos, float ypos, int dir, SpriteMap s, Duck own, Duck closer)
     : base(xpos, ypos)
 {
     this._sprite = s.CloneMap();
     this.graphic = (Sprite)this._sprite;
     this.center  = new Vec2(8f, 8f);
     this._dir    = dir;
     this.depth   = new Depth(0.9f);
     if (this._dir < 0)
     {
         this.angleDegrees = 70f;
     }
     else
     {
         this.angleDegrees = 120f;
     }
     this.owner   = (Thing)own;
     this._closer = closer;
     if (this._dir >= 0)
     {
         return;
     }
     this.x += 14f;
 }