//normalize a vector
vector Ball::normalize(vector Vec)
{
vector tmp;
tmp.x = Vec.x / vecMag(Vec);
tmp.y = Vec.y / vecMag(Vec);
return tmp;
}
void FUNC_CALL_TYPE decart2SphiXZ(float4 dec, int32 * pLon, int32 * pLat, float * pRad) {
float lonf;
float latf;
*pRad = vecMag(dec);
lonf = D_RAD2DEG(atan2f(dec[0], dec[2]));
latf = D_RAD2DEG(asinf(dec[1] / *pRad));
lonf = D_DEG2SPHI(lonf);
latf = D_DEG2SPHI(latf);
D_F2I_CAST(lonf, *pLon);
D_F2I_CAST(latf, *pLat);
}
