private GeoModel appendModel(float x, float y, float z, bool is_large)
{
float size_xz = (is_large ? 8f * GeoScene.BLOCK_SIZE : GeoScene.BLOCK_SIZE);
//
GeoModel i = new GeoModel();
i.IsLarge = is_large;
i.Position.X = x;
i.Position.Y = y;
i.Position.Z = z;
i.SetBounds(size_xz, GeoScene.BLOCK_SIZE, size_xz);
i.UpdateWorld();
models.Add(i);
//
vis_tree.InsertTree(i);
return(i);
}
