graham wihlidal 561e36e5c7 Nanite: Added "Preserve Area" checkbox to correct leaves disappearing on trees. ...

This aims to preserve the surface area during simplification. If area is lost, open boundary edges of the mesh are dilated to compensate. This is useful for foliage that tends to thin out in the distance if not enabled.

Also include misc fixes:
Collapses that completely remove disjoint triangles have an error of the area of what was removed.
Would not alias 0 and -0 verts due to binary comparison.

#rb graham.wihlidal
#preflight 63349e32141f314ed601978d

#ushell-cherrypick of 22229630 by Brian.Karis
#preflight 6334c401f418a1071a35b4a4

[CL 22260505 by graham wihlidal in ue5-main branch]

2022-09-29 20:24:18 -04:00

30 KiB

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