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| BZNotify | docs/bzdb @ bzflag.org: allejo e51e24: Last batch of BZDB variable descriptions (https://github.com/BZFlag-Dev/bzflag.org/commit/e51e248cb798c807ef188d976c9f7fde24722140) | 03:09 |
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| BZNotify | docs/bzdb @ bzflag.org: allejo 5bdf34: Add JSON schema for the BZDB Settings file (https://github.com/BZFlag-Dev/bzflag.org/commit/5bdf34320072edb7dc11a28b6d642b6f0779d42f) | 05:09 |
| BZNotify | docs/bzdb @ bzflag.org: allejo 44a188: Make sure BZDB Settings match our schema for it (https://github.com/BZFlag-Dev/bzflag.org/commit/44a1888554e08e630dc4db27c4e44e1dfc7eb804) | 05:09 |
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| JunkoAkemi[m] | What's a good rule of thumb for breaking up large meshes in size/face/vertrex count? (100 world units, 200-300 faces, 500 vertex's?) | 14:46 |
| blast007 | not sure about the rendering side, but keep in mind collisions if it's something tanks will be interacting with. I recall years back how someone had made a metal grate platform out of geometry, and the FPS tanked when driving on (or near) it. It's possible to have a simplified collision model by having two mesh objects - the complex one with the passable option, and the simplified one just ... | 15:00 |
| blast007 | ... being transparent. | 15:01 |
| JunkoAkemi[m] | I'm thinking of building some walls/exteriors of a 'building', it's a repeating pattern. Amount of vertex's in a simple section of wall is 32, but all together the amount comes down to easily 1152 vertex points for the "walls" alone of the 'building' alone. (Each section of wall is a single mesh) Could it have similar issues to the metal grate? | 15:25 |
| JunkoAkemi[m] | It's using it solely for geometry in this case though. (Also my bad, each section is three meshes, 16, 8 and 8 in vertex count.) | 15:27 |
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| Agatha | IDK how bz handles it internally, but rendering-wise more meshes is bad. You want to set each separate material (texture) exactly once, then draw all the geometry that uses it, preferably with as few draw calls as possible. Read: group all the triangles that use the same texture into a single mesh. Fewer meshes, more triangles within each. | 18:38 |
| Agatha | Also, rendering-wise, 1,000-ish vertices / polygons is *nothing*. Even for the ancient hardware bz still supports, anything less than 100,000 in your scene is a rounding error. Any reasonably modern GPU will do 10,000,000 of triangles without breaking stride from 60 Hz. | 18:38 |
| JunkoAkemi[m] | It can render, but playability is my main concern. In Box vs Mesh, Optic wrote that he did some tests and that a model of the starship enterprise was used with varying face counts. (Up to 100k faces.) | 18:56 |
| JunkoAkemi[m] | I think you've addressed my concern though. (I'll try running some tests with larger meshes.) | 18:59 |
| blast007 | if you get to the point of needing someone to test it, I do have a variety of hardware I can throw it at | 19:12 |
| SpringTank | the only thing I can think of that would slow it down with too many meshes is collisoin maths in the CPU | 20:04 |
| SpringTank | so as stated before, have the complex meshes and whatnot as draw only using something like drawinfo, then have invisible meshes/objects that are much simpler for collisions | 20:05 |
| blast007 | don't need to use drawinfo for that. Just a passable mesh, which wouldn't have any collisions. | 23:57 |
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