JST Connector Studio: manufacturer 3D mate editor

import { bW as n } from "./chunk-CrnJfeNw.js";
const e = "skyPixelShader", a = `varying vPositionW: vec3f;
#ifdef VERTEXCOLOR
varying vColor: vec4f;
#endif
#include<clipPlaneFragmentDeclaration>
uniform cameraPosition: vec3f;uniform cameraOffset: vec3f;uniform up: vec3f;uniform luminance: f32;uniform turbidity: f32;uniform rayleigh: f32;uniform mieCoefficient: f32;uniform mieDirectionalG: f32;uniform sunPosition: vec3f;
#include<logDepthDeclaration>
#include<fogFragmentDeclaration>
const ce: f32=2.71828182845904523536028747135266249775724709369995957;const pi: f32=3.141592653589793238462643383279502884197169;const cn: f32=1.0003;const cN: f32=2.545E25;const pn: f32=0.035;const lambda: vec3f= vec3f(680E-9,550E-9,450E-9);const cK: vec3f= vec3f(0.686,0.678,0.666);const cv: f32=4.0;const rayleighZenithLength: f32=8.4E3;const mieZenithLength: f32=1.25E3;const EE: f32=1000.0;const sunAngularDiameterCos: f32=0.999956676946448443553574619906976478926848692873900859324;const cutoffAngle: f32=pi/1.95;const steepness: f32=1.5;fn totalRayleigh(lambdaIn: vec3f)->vec3f
{return (8.0*pow(pi,3.0)*pow(pow(cn,2.0)-1.0,2.0)*(6.0+3.0*pn))/(3.0*cN*pow(lambdaIn, vec3f(4.0))*(6.0-7.0*pn));}
fn simplifiedRayleigh()->vec3f
{return vec3f(0.0005)/ vec3f(94,40,18);}
fn rayleighPhase(cosTheta: f32)->f32
{return (3.0/(16.0*pi))*(1.0+pow(cosTheta,2.0));}
fn totalMie(lambdaIn: vec3f,KIn: vec3f,T: f32)->vec3f
{var c: f32=(0.2*T)*10E-18;return 0.434*c*pi*pow((2.0*pi)/lambdaIn, vec3f(cv-2.0))*KIn;}
fn hgPhase(cosTheta: f32,g: f32)->f32
{return (1.0/(4.0*pi))*((1.0-pow(g,2.0))/pow(1.0-2.0*g*cosTheta+pow(g,2.0),1.5));}
fn sunIntensity(zenithAngleCos: f32)->f32
{return EE*max(0.0,1.0-exp((-(cutoffAngle-acos(zenithAngleCos))/steepness)));}
const A: f32=0.15;const B: f32=0.50;const C: f32=0.10;const D: f32=0.20;const EEE: f32=0.02;const F: f32=0.30;const W: f32=1000.0;fn Uncharted2Tonemap(x: vec3f)->vec3f
{return ((x*(A*x+C*B)+D*EEE)/(x*(A*x+B)+D*F))-EEE/F;}
#if DITHER
#include<helperFunctions>
#endif
#define CUSTOM_FRAGMENT_DEFINITIONS
@fragment
fn main(input: FragmentInputs)->FragmentOutputs {
#define CUSTOM_FRAGMENT_MAIN_BEGIN
#include<clipPlaneFragment>
/**
* Sky Color
*/
var sunfade: f32=1.0-clamp(1.0-exp((uniforms.sunPosition.y/450000.0)),0.0,1.0);var rayleighCoefficient: f32=uniforms.rayleigh-(1.0*(1.0-sunfade));var sunDirection: vec3f=normalize(uniforms.sunPosition);var sunE: f32=sunIntensity(dot(sunDirection,uniforms.up));var betaR: vec3f=simplifiedRayleigh()*rayleighCoefficient;var betaM: vec3f=totalMie(lambda,cK,uniforms.turbidity)*uniforms.mieCoefficient;var zenithAngle: f32=acos(max(0.0,dot(uniforms.up,normalize(fragmentInputs.vPositionW-uniforms.cameraPosition+uniforms.cameraOffset))));var sR: f32=rayleighZenithLength/(cos(zenithAngle)+0.15*pow(93.885-((zenithAngle*180.0)/pi),-1.253));var sM: f32=mieZenithLength/(cos(zenithAngle)+0.15*pow(93.885-((zenithAngle*180.0)/pi),-1.253));var Fex: vec3f=exp(-(betaR*sR+betaM*sM));var cosTheta: f32=dot(normalize(fragmentInputs.vPositionW-uniforms.cameraPosition),sunDirection);var rPhase: f32=rayleighPhase(cosTheta*0.5+0.5);var betaRTheta: vec3f=betaR*rPhase;var mPhase: f32=hgPhase(cosTheta,uniforms.mieDirectionalG);var betaMTheta: vec3f=betaM*mPhase;var Lin: vec3f=pow(sunE*((betaRTheta+betaMTheta)/(betaR+betaM))*(1.0-Fex), vec3f(1.5));Lin=Lin*mix( vec3f(1.0),pow(sunE*((betaRTheta+betaMTheta)/(betaR+betaM))*Fex, vec3f(1.0/2.0)), vec3f(clamp(pow(1.0-dot(uniforms.up,sunDirection),5.0),0.0,1.0)));var direction: vec3f=normalize(fragmentInputs.vPositionW-uniforms.cameraPosition);var theta: f32=acos(direction.y);var phi: f32=atan2(direction.z,direction.x);var uv: vec2f= vec2f(phi,theta)/ vec2f(2.0*pi,pi)+ vec2f(0.5,0.0);var L0: vec3f= vec3f(0.1)*Fex;var sundisk: f32=smoothstep(sunAngularDiameterCos,sunAngularDiameterCos+0.00002,cosTheta);L0=L0+(sunE*19000.0*Fex)*sundisk;var whiteScale: vec3f=1.0/Uncharted2Tonemap( vec3f(W));var texColor: vec3f=(Lin+L0);texColor=texColor*0.04;texColor=texColor+ vec3f(0.0,0.001,0.0025)*0.3;var g_fMaxLuminance: f32=1.0;var fLumScaled: f32=0.1/uniforms.luminance;var fLumCompressed: f32=(fLumScaled*(1.0+(fLumScaled/(g_fMaxLuminance*g_fMaxLuminance))))/(1.0+fLumScaled);var ExposureBias: f32=fLumCompressed;var curr: vec3f=Uncharted2Tonemap((log2(2.0/pow(uniforms.luminance,4.0)))*texColor);var retColor: vec3f=curr*whiteScale;var alpha: f32=1.0;
#ifdef VERTEXCOLOR
retColor=retColor.rgb*fragmentInputs.vColor.rgb;
#endif
#if defined(VERTEXALPHA) || defined(INSTANCESCOLOR) && defined(INSTANCES)
alpha*=fragmentInputs.vColor.a;
#endif
#if DITHER
retColor=retColor.rgb+dither(fragmentInputs.position.xy,0.5);
#endif
var color: vec4f=clamp( vec4f(retColor.rgb,alpha), vec4f(0.0), vec4f(1.0));
#include<logDepthFragment>
#include<fogFragment>
fragmentOutputs.color=color;
#include<imageProcessingCompatibility>
#define CUSTOM_FRAGMENT_MAIN_END
}
`;
n.ShadersStoreWGSL[e] || (n.ShadersStoreWGSL[e] = a);
const o = { name: e, shader: a };
export {
  o as skyPixelShaderWGSL
};