Imports github.com/faiface/glhf github.com/faiface/mainthread github.com/go-gl/gl/v3.3-core/gl github.com/go-gl/glfw/v3.3/glfw github.com/go-gl/mathgl/mgl32 github.com/tadeuszjt/geom/generic Standard library imports bufio fmt image image/color image/png math/rand os