overlay_draw_list->AddPolyline(triangles_pos,3,ImColor(255,255,0),true,1.0f,false);// Add triangle without AA, more readable for large-thin triangle
overlay_draw_list->AddPolyline(triangles_pos,3,IM_COL32(255,255,0,255),true,1.0f,false);// Add triangle without AA, more readable for large-thin triangle