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Re: Too many portals, I think
Posted By: Lion O CyborgDate: 5/3/26 8:23 a.m.

In Response To: Too many portals, I think (ehyto)

: I think I understand the rendering difference between Halo and Marathon.

: Halo uses less portals to render a scene with it's Binary Space Partitioning
: to render order triangles correctly.

: Marathon uses more portals with lines that are two sided to render polygons.

: Portal traversal is expensive, having less portals is ideal.

: If you know how they both work then you'd know how to make a Halathon game.

Does the Blam! engine actually use portals between polygons like a BSP or raycasting engine like Forge, Build or id Tech 1? I thought it was all full 3D brushes like Goldsource or Unreal, with the former's ability to load separate map chunks within a single large level.

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Pre-2004 Posts

Replies:

Too many portals, I thinkehyto 4/25/26 9:35 a.m.
     Re: Too many portals, I thinkukimalefu 4/26/26 3:21 a.m.
           Re: Too many portals, I thinkehyto 4/26/26 10:05 a.m.
           Re: Too many portals, I thinkLion O Cyborg 5/3/26 8:28 a.m.
     Re: Too many portals, I thinkVikingBoyBilly 4/26/26 9:05 a.m.
           Re: Too many portals, I thinkehyto 4/26/26 9:36 a.m.
                 Re: Too many portals, I thinkukimalefu 4/27/26 12:57 a.m.
                       Re: Too many portals, I thinkVikingBoyBilly 4/27/26 8:15 a.m.
                             Re: Too many portals, I thinkehyto 4/27/26 11:09 a.m.
                                   Re: Too many portals, I thinkVikingBoyBilly 4/27/26 2:16 p.m.
                                         Re: Too many portals, I thinkBo Lindbergh 4/28/26 3:42 p.m.
                                         Re: Too many portals, I thinkLion O Cyborg 5/3/26 8:21 a.m.
                             Re: Too many portals, I thinkLion O Cyborg 5/3/26 8:30 a.m.
     Re: Too many portals, I thinkLion O Cyborg 5/3/26 8:23 a.m.

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Pre-2004 Posts

 

 

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