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Converting Code to UE4

Hi,

i try to get some Code working in UE4, but some parts are unclear for me.

SourceCode

Some of the Variables are unclear for me:

  • ellipsoid (Position of the Planet)
  • position (Vertex Position to test if it’s visible)
  • scaledSpaceDirectionToPoint (no clue what this is)

And do i have to transform “position” to scaled space?