Imports github.com/phil-mansfield/gotetra/los github.com/phil-mansfield/gotetra/los/geom github.com/phil-mansfield/gotetra/math/mat github.com/phil-mansfield/gotetra/math/sort github.com/phil-mansfield/gotetra/render/geom github.com/phil-mansfield/gotetra/render/io Standard library imports fmt math