private void RenderUv() {
var effect = DeviceContextHolder.GetEffect<EffectSpecialUv>();
for (var x = -1f; x <= 1f; x++) {
for (var y = -1f; y <= 1f; y++) {
effect.FxOffset.Set(new Vector2(x, y));
_carNode.Draw(DeviceContextHolder, null, SpecialRenderMode.Simple);
}
}
}