Here a simple raycasting able to display the map that you can create !!
-> Go to data/map
and create yours own maps
-> the first line is the number of walls on your map -> each line is composed with 4 numbers (the coordinates x, y and x, y of two points to draw your line).
IMPORTANT -> your map needs to be closed.
to move the view of the player :
A
and D
to move the player :
```ARROW_UP```
ARROW_LEFT
ARROW_DOWN
ARROW_RIGHT