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@babylonjs/core

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BabylonJS/Babylon.js

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// Do not edit. import { ShaderStore } from "../../Engines/shaderStore.js"; const name = "reflectionFunction"; const shader = `fn computeFixedEquirectangularCoords(worldPos: vec4f,worldNormal: vec3f,direction: vec3f)->vec3f {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); } fn computeMirroredFixedEquirectangularCoords(worldPos: vec4f,worldNormal: vec3f,direction: vec3f)->vec3f {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); } fn computeEquirectangularCoords(worldPos: vec4f,worldNormal: vec3f,eyePosition: vec3f,reflectionMatrix: mat4x4f)->vec3f {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);} fn computeSphericalCoords(worldPos: vec4f,worldNormal: vec3f,view: mat4x4f,reflectionMatrix: mat4x4f)->vec3f {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);} fn computePlanarCoords(worldPos: vec4f,worldNormal: vec3f,eyePosition: vec3f,reflectionMatrix: mat4x4f)->vec3f {var viewDir: vec3f=worldPos.xyz-eyePosition;var coords: vec3f=normalize(reflect(viewDir,worldNormal));return (reflectionMatrix* vec4f(coords,1)).xyz;} fn computeCubicCoords(worldPos: vec4f,worldNormal: vec3f,eyePosition: vec3f,reflectionMatrix: mat4x4f)->vec3f {var viewDir: vec3f=normalize(worldPos.xyz-eyePosition);var coords: vec3f=reflect(viewDir,worldNormal);coords= (reflectionMatrix* vec4f(coords,0)).xyz; #ifdef INVERTCUBICMAP coords.y*=-1.0; #endif return coords;} fn computeCubicLocalCoords(worldPos: vec4f,worldNormal: vec3f,eyePosition: vec3f,reflectionMatrix: mat4x4f,reflectionSize: vec3f,reflectionPosition: vec3f)->vec3f {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; #ifdef INVERTCUBICMAP coords.y*=-1.0; #endif return coords;} fn computeProjectionCoords(worldPos: vec4f,view: mat4x4f,reflectionMatrix: mat4x4f)->vec3f {return (reflectionMatrix*(view*worldPos)).xyz;} fn computeSkyBoxCoords(positionW: vec3f,reflectionMatrix: mat4x4f)->vec3f {return (reflectionMatrix* vec4f(positionW,1.)).xyz;} #ifdef REFLECTION fn computeReflectionCoords(worldPos: vec4f,worldNormal: vec3f)->vec3f { #ifdef REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED var direction: vec3f=normalize(fragmentInputs.vDirectionW);return computeMirroredFixedEquirectangularCoords(worldPos,worldNormal,direction); #endif #ifdef REFLECTIONMAP_EQUIRECTANGULAR_FIXED var direction: vec3f=normalize(fragmentInputs.vDirectionW);return computeFixedEquirectangularCoords(worldPos,worldNormal,direction); #endif #ifdef REFLECTIONMAP_EQUIRECTANGULAR return computeEquirectangularCoords(worldPos,worldNormal,scene.vEyePosition.xyz,uniforms.reflectionMatrix); #endif #ifdef REFLECTIONMAP_SPHERICAL return computeSphericalCoords(worldPos,worldNormal,scene.view,uniforms.reflectionMatrix); #endif #ifdef REFLECTIONMAP_PLANAR return computePlanarCoords(worldPos,worldNormal,scene.vEyePosition.xyz,uniforms.reflectionMatrix); #endif #ifdef REFLECTIONMAP_CUBIC #ifdef USE_LOCAL_REFLECTIONMAP_CUBIC return computeCubicLocalCoords(worldPos,worldNormal,scene.vEyePosition.xyz,uniforms.reflectionMatrix,uniforms.vReflectionSize,uniforms.vReflectionPosition); #else return computeCubicCoords(worldPos,worldNormal,scene.vEyePosition.xyz,uniforms.reflectionMatrix); #endif #endif #ifdef REFLECTIONMAP_PROJECTION return computeProjectionCoords(worldPos,scene.view,uniforms.reflectionMatrix); #endif #ifndef REFLECTIONMAP_CUBIC #ifdef REFLECTIONMAP_SKYBOX return computeSkyBoxCoords(fragmentInputs.vPositionUVW,uniforms.reflectionMatrix); #endif #endif #ifdef REFLECTIONMAP_EXPLICIT return vec3f(0,0,0); #endif } #endif `; // Sideeffect if (!ShaderStore.IncludesShadersStoreWGSL[name]) { ShaderStore.IncludesShadersStoreWGSL[name] = shader; } /** @internal */ export const reflectionFunctionWGSL = { name, shader }; //# sourceMappingURL=reflectionFunction.js.map