This is a readme file about the RayChess game.
Requirement a;
None
```make```
```./raychess step_max <options>```
same as raycast, except for no (+c) option)
- +s : inclusion of shadows
- +l : inclusion of reflection
- +r : inclusion of refraction
- +f : enabling diffuse rendering using stochastic ray generations
- +p : enabling super-sampling
```make;```
```./raychess 5 +s +l```
Executing ( ./raychess 5 +s +l +r +f +p ) takes more than 5 minutes.