Crystal OpenGL Rotating Cube

A rotating colorful cube in Crystal.

Dependencies

1. A working Crystal instalation (brew install crystal-lang)
2. GLFW3 (brew install glfw3)

How To Run

# install dependencies
shards

# run
crystal src/main.cr

# or build
crystal build src/main.cr -o cube
./cube

esc in the window, or ctrl-c in the terminal to quit.

Screenshot