protected override void Dispose ( bool disposing )
{
if (disposing) {
SafeDispose( ref renderWorld );
SafeDispose( ref spriteEngine );
SafeDispose( ref grayTexture );
SafeDispose( ref whiteTexture );
SafeDispose( ref blackTexture );
SafeDispose( ref flatNormalMap );
SafeDispose( ref defaultMaterial );
}
base.Dispose( disposing );
}