- Full Runge-Kutta geodesic raytracing in Schwarzschild geometry
- Multiprocessing
- Alpha-blending
- Accretion disk with modes
solid,grid,texture,blackbody - Blackbody mode for accretion disk includes simulation of blackbody colour and intensity and relativistic redshift (doppler + gravitational)
- Sky with modes
none,texture. - Volumetric emissive dust
- Bloom postprocessing