mesh is flicking

  • I have a skp file, and export use datasmith as a udatasmith file.
  • than I import in to ue 5.5, there is no error after imported
  • the mesh in scene, is always flicking in a far distance, but visual normally when camera closely
  • I try change Anti-Aliasing Mehtod in project setting, and also change far plane distance. But It doesn’t wokr, it alwasy flicks
  • there always have some z fighting, how can i set options to avoid it, like logarithmicDepthBuffer in threejs?
    Be grateful that someone can help.