Imports github.com/aquilax/go-perlin github.com/furstenheim/SimpleRTree github.com/furstenheim/go-convex-hull-2d github.com/paulmach/go.geo github.com/paulmach/go.geo/reducers github.com/veandco/go-sdl2/gfx github.com/veandco/go-sdl2/sdl Standard library imports flag fmt log math math/rand os runtime/pprof sort sync time