raytri learned closest_distsqr_and_edge_index_and_t_on_edges_to_point
raytri learned closest_distsqr_and_edge_index_and_t_on_edges_to_point

songrun/VectorSkinning,songrun/VectorSkinning,songrun/VectorSkinning,songrun/VectorSkinning,songrun/VectorSkinning