/// <summary>
/// Set our envmap as current, render, then restore.
/// </summary>
public override void Render(Camera camera, ref Matrix rootToWorld, List <List <PartInfo> > listPartsReplacement)
{
ShaderGlobals.PushEnvMap(RoverGreeter.EnvMap);
base.Render(camera, ref rootToWorld, listPartsReplacement);
ShaderGlobals.PopEnvMap();
}