@babylonjs/viewer/dist/chunks/reflectionFunction-Cft2n2Qr.esm.min.js

The Babylon Viewer aims to simplify a specific but common Babylon.js use case: loading, viewing, and interacting with a 3D model.

import{S as e}from"./index-BPURObVq.esm.min.js";const r="reflectionFunction",o="fn computeFixedEquirectangularCoords(worldPos: vec4f,worldNormal: vec3f,direction: vec3f)->vec3f\n{var lon: f32=atan2(direction.z,direction.x);var lat: f32=acos(direction.y);var sphereCoords: vec2f= vec2f(lon,lat)*RECIPROCAL_PI2*2.0;var s: f32=sphereCoords.x*0.5+0.5;var t: f32=sphereCoords.y;return vec3f(s,t,0); }\nfn computeMirroredFixedEquirectangularCoords(worldPos: vec4f,worldNormal: vec3f,direction: vec3f)->vec3f\n{var lon: f32=atan2(direction.z,direction.x);var lat: f32=acos(direction.y);var sphereCoords: vec2f= vec2f(lon,lat)*RECIPROCAL_PI2*2.0;var s: f32=sphereCoords.x*0.5+0.5;var t: f32=sphereCoords.y;return vec3f(1.0-s,t,0); }\nfn computeEquirectangularCoords(worldPos: vec4f,worldNormal: vec3f,eyePosition: vec3f,reflectionMatrix: mat4x4f)->vec3f\n{var cameraToVertex: vec3f=normalize(worldPos.xyz-eyePosition);var r: vec3f=normalize(reflect(cameraToVertex,worldNormal));r= (reflectionMatrix* vec4f(r,0)).xyz;var lon: f32=atan2(r.z,r.x);var lat: f32=acos(r.y);var sphereCoords: vec2f= vec2f(lon,lat)*RECIPROCAL_PI2*2.0;var s: f32=sphereCoords.x*0.5+0.5;var t: f32=sphereCoords.y;return vec3f(s,t,0);}\nfn computeSphericalCoords(worldPos: vec4f,worldNormal: vec3f,view: mat4x4f,reflectionMatrix: mat4x4f)->vec3f\n{var viewDir: vec3f=normalize((view*worldPos).xyz);var viewNormal: vec3f=normalize((view* vec4f(worldNormal,0.0)).xyz);var r: vec3f=reflect(viewDir,viewNormal);r= (reflectionMatrix* vec4f(r,0)).xyz;r.z=r.z-1.0;var m: f32=2.0*length(r);return vec3f(r.x/m+0.5,1.0-r.y/m-0.5,0);}\nfn computePlanarCoords(worldPos: vec4f,worldNormal: vec3f,eyePosition: vec3f,reflectionMatrix: mat4x4f)->vec3f\n{var viewDir: vec3f=worldPos.xyz-eyePosition;var coords: vec3f=normalize(reflect(viewDir,worldNormal));return (reflectionMatrix* vec4f(coords,1)).xyz;}\nfn computeCubicCoords(worldPos: vec4f,worldNormal: vec3f,eyePosition: vec3f,reflectionMatrix: mat4x4f)->vec3f\n{var viewDir: vec3f=normalize(worldPos.xyz-eyePosition);var coords: vec3f=reflect(viewDir,worldNormal);coords= (reflectionMatrix* vec4f(coords,0)).xyz;\n#ifdef INVERTCUBICMAP\ncoords.y*=-1.0;\n#endif\nreturn coords;}\nfn computeCubicLocalCoords(worldPos: vec4f,worldNormal: vec3f,eyePosition: vec3f,reflectionMatrix: mat4x4f,reflectionSize: vec3f,reflectionPosition: vec3f)->vec3f\n{var viewDir: vec3f=normalize(worldPos.xyz-eyePosition);var coords: vec3f=reflect(viewDir,worldNormal);coords=parallaxCorrectNormal(worldPos.xyz,coords,reflectionSize,reflectionPosition);coords=(reflectionMatrix* vec4f(coords,0)).xyz;\n#ifdef INVERTCUBICMAP\ncoords.y*=-1.0;\n#endif\nreturn coords;}\nfn computeProjectionCoords(worldPos: vec4f,view: mat4x4f,reflectionMatrix: mat4x4f)->vec3f\n{return (reflectionMatrix*(view*worldPos)).xyz;}\nfn computeSkyBoxCoords(positionW: vec3f,reflectionMatrix: mat4x4f)->vec3f\n{return (reflectionMatrix* vec4f(positionW,1.)).xyz;}\n#ifdef REFLECTION\nfn computeReflectionCoords(worldPos: vec4f,worldNormal: vec3f)->vec3f\n{\n#ifdef REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED\nvar direction: vec3f=normalize(fragmentInputs.vDirectionW);return computeMirroredFixedEquirectangularCoords(worldPos,worldNormal,direction);\n#endif\n#ifdef REFLECTIONMAP_EQUIRECTANGULAR_FIXED\nvar direction: vec3f=normalize(fragmentInputs.vDirectionW);return computeFixedEquirectangularCoords(worldPos,worldNormal,direction);\n#endif\n#ifdef REFLECTIONMAP_EQUIRECTANGULAR\nreturn computeEquirectangularCoords(worldPos,worldNormal,scene.vEyePosition.xyz,uniforms.reflectionMatrix);\n#endif\n#ifdef REFLECTIONMAP_SPHERICAL\nreturn computeSphericalCoords(worldPos,worldNormal,scene.view,uniforms.reflectionMatrix);\n#endif\n#ifdef REFLECTIONMAP_PLANAR\nreturn computePlanarCoords(worldPos,worldNormal,scene.vEyePosition.xyz,uniforms.reflectionMatrix);\n#endif\n#ifdef REFLECTIONMAP_CUBIC\n#ifdef USE_LOCAL_REFLECTIONMAP_CUBIC\nreturn computeCubicLocalCoords(worldPos,worldNormal,scene.vEyePosition.xyz,uniforms.reflectionMatrix,uniforms.vReflectionSize,uniforms.vReflectionPosition);\n#else\nreturn computeCubicCoords(worldPos,worldNormal,scene.vEyePosition.xyz,uniforms.reflectionMatrix);\n#endif\n#endif\n#ifdef REFLECTIONMAP_PROJECTION\nreturn computeProjectionCoords(worldPos,scene.view,uniforms.reflectionMatrix);\n#endif\n#ifndef REFLECTIONMAP_CUBIC\n#ifdef REFLECTIONMAP_SKYBOX\nreturn computeSkyBoxCoords(fragmentInputs.vPositionUVW,uniforms.reflectionMatrix);\n#endif\n#endif\n#ifdef REFLECTIONMAP_EXPLICIT\nreturn vec3f(0,0,0);\n#endif\n}\n#endif\n";e.IncludesShadersStoreWGSL[r]||(e.IncludesShadersStoreWGSL[r]=o);const n={name:r,shader:o};export{n as r};
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