//This file is automatically rebuilt by the Cesium build process. export default "/**\n\ * Approximately computes spherical coordinates given a normal.\n\ * Uses approximate inverse trigonometry for speed and consistency,\n\ * since inverse trigonometry can differ from vendor-to-vendor and when compared with the CPU.\n\ *\n\ * @name czm_approximateSphericalCoordinates\n\ * @glslFunction\n\ *\n\ * @param {vec3} normal arbitrary-length normal.\n\ *\n\ * @returns {vec2} Approximate latitude and longitude spherical coordinates.\n\ */\n\ vec2 czm_approximateSphericalCoordinates(vec3 normal) {\n\ // Project into plane with vertical for latitude\n\ float latitudeApproximation = czm_fastApproximateAtan(sqrt(normal.x * normal.x + normal.y * normal.y), normal.z);\n\ float longitudeApproximation = czm_fastApproximateAtan(normal.x, normal.y);\n\ return vec2(latitudeApproximation, longitudeApproximation);\n\ }\n\ ";