Question is very simple, I set up in 3.3 unity2019 f1, a 2 d scene then try to use the 2 d light source, as shown, I put on the building a 2 d point light source, but I want to put the light in the house on the back, don't know how to operate, can't find any place to set the level, there is a light in the inspector of point light source the parameters of the order, but I reduce its value, also failed to achieve let light source behind the house, someone know how to do?