cione-comp-lib
Version:
`$ yarn add cione-comp-lib` 或者 `$ npm i cione-comp-lib -S`
2 lines (1 loc) • 2.68 kB
JavaScript
"use strict";Object.defineProperties(exports,{__esModule:{value:!0},[Symbol.toStringTag]:{value:"Module"}});var t=require("../../../build/three.module.js");class i{constructor(i,e,n,s,r){this.xrLight=i,this.renderer=e,this.lightProbe=n,this.xrWebGLBinding=null,this.estimationStartCallback=r,this.frameCallback=this.onXRFrame.bind(this);const h=e.xr.getSession();if(s&&"XRWebGLBinding"in window){const n=new t.WebGLCubeRenderTarget(16);i.environment=n.texture;const s=e.getContext();switch(h.preferredReflectionFormat){case"srgba8":s.getExtension("EXT_sRGB");break;case"rgba16f":s.getExtension("OES_texture_half_float")}this.xrWebGLBinding=new XRWebGLBinding(h,s),this.lightProbe.addEventListener("reflectionchange",(()=>{this.updateReflection()}))}h.requestAnimationFrame(this.frameCallback)}updateReflection(){const t=this.renderer.properties.get(this.xrLight.environment);if(t){const i=this.xrWebGLBinding.getReflectionCubeMap(this.lightProbe);i&&(t.__webglTexture=i,this.xrLight.environment.needsPMREMUpdate=!0)}}onXRFrame(t,i){if(!this.xrLight)return;i.session.requestAnimationFrame(this.frameCallback);const e=i.getLightEstimate(this.lightProbe);if(e){this.xrLight.lightProbe.sh.fromArray(e.sphericalHarmonicsCoefficients),this.xrLight.lightProbe.intensity=1;const t=Math.max(1,Math.max(e.primaryLightIntensity.x,Math.max(e.primaryLightIntensity.y,e.primaryLightIntensity.z)));this.xrLight.directionalLight.color.setRGB(e.primaryLightIntensity.x/t,e.primaryLightIntensity.y/t,e.primaryLightIntensity.z/t),this.xrLight.directionalLight.intensity=t,this.xrLight.directionalLight.position.copy(e.primaryLightDirection),this.estimationStartCallback&&(this.estimationStartCallback(),this.estimationStartCallback=null)}}dispose(){this.xrLight=null,this.renderer=null,this.lightProbe=null,this.xrWebGLBinding=null}}class e extends t.Group{constructor(e,n=!0){super(),this.lightProbe=new t.LightProbe,this.lightProbe.intensity=0,this.add(this.lightProbe),this.directionalLight=new t.DirectionalLight,this.directionalLight.intensity=0,this.add(this.directionalLight),this.environment=null;let s=null,r=!1;e.xr.addEventListener("sessionstart",(()=>{const t=e.xr.getSession();"requestLightProbe"in t&&t.requestLightProbe({reflectionFormat:t.preferredReflectionFormat}).then((t=>{s=new i(this,e,t,n,(()=>{r=!0,this.dispatchEvent({type:"estimationstart"})}))}))})),e.xr.addEventListener("sessionend",(()=>{s&&(s.dispose(),s=null),r&&this.dispatchEvent({type:"estimationend"})})),this.dispose=()=>{s&&(s.dispose(),s=null),this.remove(this.lightProbe),this.lightProbe=null,this.remove(this.directionalLight),this.directionalLight=null,this.environment=null}}}exports.XREstimatedLight=e;