testing Meshing.jl w/GeometryBasics

test.jl

using Pkg; Pkg.activate(temp=true); Pkg.add("Meshing"); Pkg.add("GeometryBasics"); Pkg.add("FileIO")
using Meshing
using GeometryBasics
using LinearAlgebra: dot, norm
using FileIO

# Mesh an equation of sphere in the Axis-Aligned Bounding box starting
# at -1,-1,-1 and widths of 2,2,2 using Marching Cubes
m = GLNormalMesh(Rect(Vec(-1,-1,-1.), Vec(2,2,2.)), MarchingCubes()) do v
    sqrt(sum(dot(v,v))) - 1
end

# save the Sphere as a PLY file
save("sphere.ply",m)