Volumetric cloud updates (#544)

- Reprojection update
- Cloud model changes
- Weather map import
- Local lights
- Environment capture
- Volumetric cloud shadow
- Aerial perspective for clouds

Co-authored-by: Silas Oler <silasmartins@outlook.dk>

Tests/Tests.cpp

@@ -384,7 +384,6 @@ void TestsRenderer::Load()
 			weather.ambient = XMFLOAT3(0.2f, 0.2f, 0.2f);
 			weather.horizon = XMFLOAT3(0.38f, 0.38f, 0.38f);
 			weather.zenith = XMFLOAT3(0.42f, 0.42f, 0.42f);
-			weather.cloudiness = 0.75f;
 
 			wi::scene::GetScene().Merge(scene); // add lodaded scene to global scene
 		}