Terrain generator

Compile using gcc -lm -lSDL2 -o terrain
Requires SDL2 library

Usage: terrain heightmap

Heightmap file is a set of integers separated by spaces and newlines. Every newline starts a new row, and spaces in a line generates a new column in that row.

Once open you can use the following keys:

1. left arrow/right arrow: rotate around xy axis
2. up arrow/down arrow: rotate around yz axis
3. w/s: scale up and down the terrain map
4. escape to exit