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Weird shadow after lightmass baking issue

This is a lightmass baking; alt text

As you can see, from left to right:

  • 1 The left one has very low density shadow (lightmap);

  • 2 The middle one has no shadow at all;

  • 3 The right one is what I am looking for, correct density shadow;

And all these three areas have identical lighting situation, the lighmap density is consistent, the three lights are identical, I checked several times.

And even weirder is, we will get different result after different baking without changing anything; For example, if I bake again, the left one might have correct shadow with good density, the middle one might have low density shadow, the right one might not have shadow at all, there is no pattern.

Product Version: UE 4.15
test.jpg (209.9 kB)
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asked May 02 '17 at 11:42 PM in Using UE4

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