the RectLight should emit light evenly across the bounds of the source width and height. In UE 5.2, it looks like the light source emits outward from the origin of the actor.
how can i fix this issue? i tried to switch between mobility according to this topic. but still the same results, Also tried to change GI to SS or RayTrace even none still the same results. I’m using UE 5.2 with lumen.
Shadows for rect lights are simulated as if it is a point light when using shadowmaps, virtual shadow maps, or distance field shadows.
If you use raytraced shadows, or baked lightmap shadows, it will produce the correct result.
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