Learning Unreal Engine Game Development

Adding Lightmass Importance Volume

Since our room only takes up a small portion of the map, we can concentrate light on a small region by adding an item known as Lightmass Importance Volume to the map. The bounded box of the Lightmass Importance Volume tells the engine where light is needed in the map so it should encompass the entire area of the map that has objects. Drag and drop Lightmass Importance Volume into the map. Here, you can see where to find the Lightmass Importance Volume:

By default, the wireframe box that's been dropped (which is the Lightmass Importance Volume) is a cube. You will need to scale it to fit your room. With the Lightmass ...