private void RenderBoundingBox(BoundingBox boundingBox)
{
GL.Enable(EnableCap.PolygonOffsetLine);
GL.PolygonOffset(15.0f, 100.0f);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadMatrix(cam.ViewMatrix.GetInvertedValues());
GL.MatrixMode(MatrixMode.Projection);
GL.LoadMatrix(cam.ProjectionMatrix.GetInvertedValues());
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Line);
GL.LineWidth(1.5f);
GL.Begin(PrimitiveType.Triangles);
GL.Color3(1.0f, 0.0f, 0.0f);
RenderUtil.RenderBoundingBox(boundingBox);
GL.End();
GL.Disable(EnableCap.PolygonOffsetLine);
}