JST Connector Studio: manufacturer 3D mate editor

import { bW as i } from "./chunk-CrnJfeNw.js";
const e = "volumetricLightingRenderVolumePixelShader", t = `#include<__decl__sceneFragment>
uniform mat4 invViewProjection;uniform vec3 lightDir; 
uniform vec2 outputTextureSize;uniform vec4 extinctionPhaseG;uniform vec3 lightPower;uniform vec2 textureRatio;uniform sampler2D depthTexture;varying vec4 vWorldPos;float henyeyGreenstein(float g,float cosTheta) {float denom=1.0+g*g-2.0*g*cosTheta;return 1.0/(4.0*3.14159265)*(1.0-g*g)/(denom*sqrt(max(denom,0.0)));}
vec3 integrateDirectional(float eyeDist,vec3 viewDir,vec3 lightDir) {float phaseG=extinctionPhaseG.w;
#ifdef USE_EXTINCTION
vec3 extinction=extinctionPhaseG.xyz;return henyeyGreenstein(phaseG,dot(viewDir,lightDir))*(vec3(1.0)-exp(-extinction*eyeDist))/extinction;
#else
return vec3(henyeyGreenstein(phaseG,dot(viewDir,lightDir)))*vec3(eyeDist);
#endif
}
void main(void) {float depth=texelFetch(depthTexture,ivec2(gl_FragCoord.xy*textureRatio),0).r;vec4 worldPos=vWorldPos;if (gl_FragCoord.z>depth) {vec4 ndc=vec4((gl_FragCoord.xy/outputTextureSize)*2.0-1.0,depth*2.0-1.0,1.0);worldPos=invViewProjection*ndc;worldPos=worldPos/worldPos.w;}
vec3 viewDir=worldPos.xyz-vEyePosition.xyz;float eyeDist=length(viewDir);viewDir=viewDir/eyeDist;float fSign=gl_FrontFacing ? 1.0 : -1.0;vec3 integral=integrateDirectional(eyeDist,-viewDir,lightDir);gl_FragColor=vec4(lightPower*integral*fSign,1.0);}
`;
i.ShadersStore[e] || (i.ShadersStore[e] = t);
const r = { name: e, shader: t };
export {
  r as volumetricLightingRenderVolumePixelShader
};