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Question by gaiastellar · Oct 13, 2018 at 06:01 PM · camera rendering particlesystem

need to hide areas of large particle system

hi, i have created a large (100000 stars) volumetric 3d spiral galaxy out of a single particle system, but i would like to be able to hide areas of it from the camera. for example, when needing to zoom in on a certain area of the galaxy, i would like to cull everything except the area selected. i have tried seperating out the stars in different areas to different particle systems, which worked brilliantly but the frame rate dropped to an unacceptably low level, so ive got to find another way of doing it.

any ideas?

thanks

paul uk

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