From Emanuele Feronato: "I wanted to try a real world example of my dynamic light and shadows in tile based roguelike games, so let’s make a small recap then I am diving into the code:

In first step I introduced Bresenham algorithm to draw a line between two points in a tile based environment.

In step 2 with the same concept I showed you how to draw a circle in a tile based environment.

In step 3 I connected all tiles along the circumference with the player using Bresenham line, stopping the line if it hits a wall.

Today I am showing you a little example in a randomly generated dungeon. The code to generate the dungeon is taken from here and although it does not generate the best dungeons ever, it works so why not?"

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