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@animech-public/playcanvas

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PlayCanvas WebGL game engine

playcanvas.com

AnimechTechnologies/playcanvas-engine

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var e="\nvec3 refract2(vec3 viewVec, vec3 normal, float IOR) {\n\tfloat vn = dot(viewVec, normal);\n\tfloat k = 1.0 - IOR * IOR * (1.0 - vn * vn);\n\tvec3 refrVec = IOR * viewVec - (IOR * vn + sqrt(k)) * normal;\n\treturn refrVec;\n}\nvoid addRefraction(\n\tvec3 worldNormal, \n\tvec3 viewDir, \n\tfloat thickness, \n\tfloat gloss, \n\tvec3 specularity, \n\tvec3 albedo, \n\tfloat transmission,\n\tfloat refractionIndex,\n\tfloat dispersion\n#if defined(LIT_IRIDESCENCE)\n\t, vec3 iridescenceFresnel,\n\tfloat iridescenceIntensity\n#endif \n) {\n\tvec4 tmpRefl = dReflection;\n\tvec3 reflectionDir = refract2(-viewDir, worldNormal, refractionIndex);\n\tdReflection = vec4(0);\n\taddReflection(reflectionDir, gloss);\n\tdDiffuseLight = mix(dDiffuseLight, dReflection.rgb * albedo, transmission);\n\tdReflection = tmpRefl;\n}\n";export{e as default};