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Blueprint actors turn black when placed far from scene center


  • Introduction, talking about my project:

I have an empty scene that spawns block with objects procedurally when the player moves from one block to another. I need them to be movable, not static, because some times the blocks will move and rotate. So, I want to use realtime lighting, and as my objects has emission maps, they look good only having the light from the emission. Also, there's no Directional Light nor Sky Light, as the blocks are all closed. The environment around must be full black.

  • About the problem I'm having:

If a blueprint object is spawned far away from the center of the world (0,0,0), at 7000 units (no matter what direction), it turns black. I think it's the base color that is being ignored, as I can still see the emission and reflections. I would like to know why that happens. And if I put the blueprint there by hand, it happens as well.

  • A strange test that may help understand the problem, I hope:

It's kinda funny that if I put a lone object (not inside any blueprint) outside that black area, and move it there, it keeps the color. But if I put the object directly inside the black area, it gets this black look, and I can fix that moving the object outside and inside once again. That does not happen with the blueprints, it gets black once inside the black area, always.

  • Some pictures:

alt text alt text


Product Version: UE 4.18
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asked Oct 26 '18 at 07:33 PM in Rendering

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