wangdequan/workinf_Blender_Wasm
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Advance WebGPU volume and bounded workflows

Browse Source
This commit is contained in:
mes123456
2026-08-14 18:08:29 -04:00
parent 3da1dfc804
commit 68d50f810f
119 changed files with 9028 additions and 430 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
web/app/src/three-adapter/pbr.ts
View File

@@ -72,8 +72,30 @@ export function blenderLightIntensity(definition: LightIR): number {
return Math.max(0, definition.energy) * 2 ** clamp(definition.exposure, -20, 20, 0) / 10;
}
function blackbodySrgb(temperature: number): [number, number, number] {
const value = clamp(temperature, 800, 20_000, 6500) / 100;
const red = value <= 66 ? 255 : 329.698727446 * (value - 60) ** -0.1332047592;
const green = value <= 66 ? 99.4708025861 * Math.log(value) - 161.1195681661 : 288.1221695283 * (value - 60) ** -0.0755148492;
const blue = value >= 66 ? 255 : value <= 19 ? 0 : 138.5177312231 * Math.log(value - 10) - 305.0447927307;
return [red, green, blue].map((component) => clamp(component / 255, 0, 1, 0)) as [number, number, number];
}
function srgbToLinear(value: number): number {
return value <= 0.04045 ? value / 12.92 : ((value + 0.055) / 1.055) ** 2.4;
}
/** Returns a bounded linear-RGB light color with Blender's 6500 K default treated as neutral. */
export function blenderLightColor(definition: LightIR): [number, number, number] {
if (!definition.useTemperature) return [...definition.color];
const neutral = blackbodySrgb(6500);
const blackbody = blackbodySrgb(definition.temperature ?? 6500).map((component, index) => component / neutral[index]);
const peak = Math.max(1, ...blackbody);
const linear = blackbody.map((component) => srgbToLinear(component / peak));
return definition.color.map((component, index) => clamp(component, 0, 1, 0) * linear[index]) as [number, number, number];
}
export function createPBRLight(definition: LightIR): Light {
const color = new Color().setRGB(...definition.color);
const color = new Color().setRGB(...blenderLightColor(definition));
const intensity = blenderLightIntensity(definition);
const light = definition.lightType === 1 ? new DirectionalLight(color, intensity) :
definition.lightType === 2 ? new SpotLight(color, intensity, 0, definition.spotAngle, definition.spotBlend, 2) :