cesiumDemo/Source/Shaders/Builtin/Functions/sphericalHarmonics.js

//This file is automatically rebuilt by the Cesium build process.
export default "vec3 czm_sphericalHarmonics(vec3 normal, vec3 coefficients[9])\n\
{\n\
const float c1 = 0.429043;\n\
const float c2 = 0.511664;\n\
const float c3 = 0.743125;\n\
const float c4 = 0.886227;\n\
const float c5 = 0.247708;\n\
vec3 L00 = coefficients[0];\n\
vec3 L1_1 = coefficients[1];\n\
vec3 L10 = coefficients[2];\n\
vec3 L11 = coefficients[3];\n\
vec3 L2_2 = coefficients[4];\n\
vec3 L2_1 = coefficients[5];\n\
vec3 L20 = coefficients[6];\n\
vec3 L21 = coefficients[7];\n\
vec3 L22 = coefficients[8];\n\
float x = normal.x;\n\
float y = normal.y;\n\
float z = normal.z;\n\
return c1 * L22 * (x * x - y * y) + c3 * L20 * z * z + c4 * L00 - c5 * L20 +\n\
2.0 * c1 * (L2_2 * x * y + L21 * x * z + L2_1 * y * z) +\n\
2.0 * c2 * (L11 * x + L1_1 * y + L10 * z);\n\
}\n\
";