1 -- Package of geometric operations on SDF objects
3 local function union(s1, s2)
4 return function (location)
5 local p1 = s1(location)
6 local p2 = s2(location)
8 if p1.dist < p2.dist then
9 return {dist = p1.dist, texture = p1.texture}
11 return {dist = p2.dist, texture = p2.texture}