FOV variable (Zoom In or Zoom Out) RES variable (Size of the space at between the wall) Up arrow and W key to moves forward Down arrow and S key to moves backward A and D key to move sideways Left arrow and Right arrow key to change direction Press the slider, it put on, if you want off, then press it! And if you want on, leave it there or press it twice! You can stop the project by clicking the stop flag, then you will see the map!
Credit to @griffpatch for some Raycasting Assets tutorial in Youtube. About 1 hour I made finish this project. Please make changes if you remix it! Sorry, because its a bit scary like @Islambic_Joy said on the comment!