public void AddInstance(R_EnvCell envCell)
{
var origin = envCell.EnvCell.Pos.GetWorldPos();
var orientation = envCell.EnvCell.Pos.Frame.Orientation.ToXna();
origin.Z += 0.05f; // avoid z-fight for building floors
Instances_Env.Add(new VertexInstanceEnv(origin, orientation));
}
public void BuildInstanceBuffer()
{
InstanceBuffer = new VertexBuffer(GraphicsDevice, typeof(VertexInstanceEnv), Instances_Env.Count, BufferUsage.WriteOnly);
InstanceBuffer.SetData(Instances_Env.ToArray());
}
