赣州市洪水风险预警系统三维版本
guoshilong
2023-02-27 4d8c6dd77427e8e581fda17b6b65ba86bfb7a815
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
/**
 * DOC_TBA
 *
 * @name czm_geodeticSurfaceNormal
 * @glslFunction
 *
 * @param {vec3} positionOnEllipsoid DOC_TBA
 * @param {vec3} ellipsoidCenter DOC_TBA
 * @param {vec3} oneOverEllipsoidRadiiSquared DOC_TBA
 * 
 * @returns {vec3} DOC_TBA.
 */
vec3 czm_geodeticSurfaceNormal(vec3 positionOnEllipsoid, vec3 ellipsoidCenter, vec3 oneOverEllipsoidRadiiSquared)
{
    return normalize((positionOnEllipsoid - ellipsoidCenter) * oneOverEllipsoidRadiiSquared);
}