public virtual void OnRender(ModelEntityShader shader)
{
if (_transformInvalid || _lastPos != Position) {
_transform =
Matrix4.Mult(
Matrix4.Mult(
Matrix4.Mult(
Matrix4.CreateTranslation(_offset),
Matrix4.CreateScale(_scale)),
Matrix4.CreateFromQuaternion(Rotation)),
Matrix4.CreateTranslation(Entity.Position));
_transformInvalid = false;
_lastPos = Position;
}
if (Model != null) {
shader.Render(Model, Skin, _transform);
}
}