22 lines
743 B
GLSL
22 lines
743 B
GLSL
/**
|
|
* Returns the WGS84 ellipsoid, with its center at the origin of world coordinates, in eye coordinates.
|
|
*
|
|
* @name czm_getWgs84EllipsoidEC
|
|
* @glslFunction
|
|
*
|
|
* @returns {czm_ellipsoid} The WGS84 ellipsoid, with its center at the origin of world coordinates, in eye coordinates.
|
|
*
|
|
* @see Ellipsoid.WGS84
|
|
*
|
|
* @example
|
|
* czm_ellipsoid ellipsoid = czm_getWgs84EllipsoidEC();
|
|
*/
|
|
czm_ellipsoid czm_getWgs84EllipsoidEC()
|
|
{
|
|
vec3 radii = vec3(6378137.0, 6378137.0, 6356752.314245);
|
|
vec3 inverseRadii = vec3(1.0 / radii.x, 1.0 / radii.y, 1.0 / radii.z);
|
|
vec3 inverseRadiiSquared = inverseRadii * inverseRadii;
|
|
czm_ellipsoid temp = czm_ellipsoid(czm_view[3].xyz, radii, inverseRadii, inverseRadiiSquared);
|
|
return temp;
|
|
}
|