You must create a “realistic” 3D graphical representation of the inside of a maze from a first-person perspective. You have to create this representation using the Ray-Casting principles mentioned earlier.

In mandatory part, to illustrate the process of ray-casting we will create a maze world where:

1. Walls are always perpendicular to the floor
2. floor is always flat
3. Only vertical lines will be drowned

To do so, we have to calculate the distance between the player and ever wall in his field of vision. As long as a flat 2D map will be given as input in a .cub file, we will use it to create our world. Different from what we are used, in computer graphics the Y axis is positive down, The coordinate system that we use can be found below.

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Useful links:

1. Roguelike Vision Algorithms
2. Ray-Casting Tutorial
3. Lode's Computer Graphics Tutorial Raycasting