Flying over a terrain wireframe mesh.
Camera keyboard controls:
up - up
down - down
left - left
right - right
a - forward
z - backward
s - rotate right
x - rotate left
https://www.opengl.org/resources/libraries/glut/ Works on Apple and Linux.
This could be used for generating terrains for game backgrounds.
For mac, I used the terminal to make an exectuable. cd to the folder of the project then use this to make an executable: gcc -o OpenGLTerrain OpenGLTerrain.c -framework GLUT -framework OpenGL -framework Cocoa -lm -Wno-deprecated