diff options
| -rw-r--r-- | game/environment.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/game/environment.cpp b/game/environment.cpp index 1ef9bcb..19aad84 100644 --- a/game/environment.cpp +++ b/game/environment.cpp @@ -13,10 +13,17 @@ Environment::tick(TickDuration) void Environment::render(const SceneRenderer & renderer, const SceneProvider & scene) const { + constexpr RGB baseAmbient {0.1F}, baseDirectional {0.0F}; + constexpr RGB relativeAmbient {0.3F, 0.3F, 0.4F}, relativeDirectional {0.6F, 0.6F, 0.5F}; + const auto sunPos = getSunPos({}, worldTime); const auto sunDir = (glm::mat3 {rotate_yp({sunPos.y + pi, sunPos.x})} * north); - renderer.setAmbientLight({0.5F, 0.5F, 0.5F}); - renderer.setDirectionalLight({0.6F, 0.6F, 0.6F}, sunDir, scene); + const auto vertical = -std::min(0.F, sunDir.z - 0.1F); + const auto ambient = baseAmbient + relativeAmbient * vertical; + const auto directional = baseDirectional + relativeDirectional * vertical; + + renderer.setAmbientLight(ambient); + renderer.setDirectionalLight(directional, sunDir, scene); } // Based on the C++ code published at https://www.psa.es/sdg/sunpos.htm |