diff options
Diffstat (limited to 'scene/3d/immediate_geometry_3d.cpp')
| -rw-r--r-- | scene/3d/immediate_geometry_3d.cpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/scene/3d/immediate_geometry_3d.cpp b/scene/3d/immediate_geometry_3d.cpp index 17410d5870..47242cf196 100644 --- a/scene/3d/immediate_geometry_3d.cpp +++ b/scene/3d/immediate_geometry_3d.cpp @@ -87,21 +87,24 @@ Vector<Face3> ImmediateGeometry3D::get_faces(uint32_t p_usage_flags) const { } void ImmediateGeometry3D::add_sphere(int p_lats, int p_lons, float p_radius, bool p_add_uv) { + const double lat_step = Math_TAU / p_lats; + const double lon_step = Math_TAU / p_lons; + for (int i = 1; i <= p_lats; i++) { - double lat0 = Math_PI * (-0.5 + (double)(i - 1) / p_lats); + double lat0 = lat_step * (i - 1) - Math_TAU / 4; double z0 = Math::sin(lat0); double zr0 = Math::cos(lat0); - double lat1 = Math_PI * (-0.5 + (double)i / p_lats); + double lat1 = lat_step * i - Math_TAU / 4; double z1 = Math::sin(lat1); double zr1 = Math::cos(lat1); for (int j = p_lons; j >= 1; j--) { - double lng0 = 2 * Math_PI * (double)(j - 1) / p_lons; + double lng0 = lon_step * (j - 1); double x0 = Math::cos(lng0); double y0 = Math::sin(lng0); - double lng1 = 2 * Math_PI * (double)(j) / p_lons; + double lng1 = lon_step * j; double x1 = Math::cos(lng1); double y1 = Math::sin(lng1); |