public void Draw() { GLUtility.GoToTransform((float)location.x, (float)location.y); GLUtility.GoToTransform((float)location.yaw); GLUtility.FillCone(renderColor, opacity, new PointF(0, 0), (float)range, (float)-fov / 2.0f, (float)fov / 2.0f); GLUtility.ComeBackFromTransform(); GLUtility.ComeBackFromTransform(); }