NodeMaterial: Add setupOutgoingLight().#28941
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Mugen87 merged 5 commits intomrdoob:devfrom Jul 23, 2024
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📦 Bundle sizeFull ESM build, minified and gzipped.
🌳 Bundle size after tree-shakingMinimal build including a renderer, camera, empty scene, and dependencies.
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Mugen87
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Jul 23, 2024
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| this.fog = true; | ||
| this.lights = true; | ||
| this.lights = false; |
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Probably better to set lights to false by default since we should not assume all custom node materials implement proper lighting models.
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I think we should do this with fog too.
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Let's do that in a separate PR though. The testing for such changes can take a bit time.
This was referenced Jul 24, 2024
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Related issue: -
Description
Lit materials like lambert, phong or standard should be black if no lights are in the scene and no emissive is defined. This is currently not true for node materials since
diffuseColor.rgbis defined as the default outgoing light.For reproduction: https://jsfiddle.net/5kat2bom/1/
This issue is solved by adding
setupOutgoingLight()which checks iflightsis set totrue. If so, the default outgoing light is black. Otherwise it isdiffuseColor.rgb. The code is not inlined but insetupOutgoingLight()soMeshBasicNodeMaterialcan overwrite the implementation.