holy_sphere.lua

   1 require "Vector"
   2 local V = Vector
   3
   4 require "Primitives"
   5 local P = Primitives
   6
   7 require "Operations"
   8 local O = Operations
   9
  10 require "Textures"
  11 local T = Textures
  12
  13 require "Render"
  14
  15 local lights = {V.new{3,-3,1}}
  16
  17 local scene = {
  18    sdf =
  19       O.union(
  20          O.diff(
  21             O.diff(
  22                O.diff(
  23                   P.make_sphere(V.new{0,0,0}, 1,
  24                                 T.make_phong_texture(lights,
  25                                                      T.make_solid_pigment({0,1,0}),
  26                                                      0.2, 0.7, 1.0, 100)),
  27                   P.make_sphere(V.new{0,0,0}, 0.8)),
  28                P.make_pipe(V.new{0,0,0}, 0.5, V.new{0,1,0})),
  29             P.make_pipe(V.new{0,0,0}, 0.5, V.new{1,0,0})),
  30
  31          P.make_plane(V.new{0,0,-1.0}, V.new{0,0,1},
  32                       T.make_phong_texture(lights,
  33                          T.make_checkered_pigment({0.5,0,0.2}, {1,1,1}),
  34                          0.2, 1.0, 0, 1))),
  35
  36    camera = {location = V.new{2,-5,1},
  37              point_at = V.new{0,0,0},
  38              right = V.x,
  39              fov = 1}}
  40
  41 Render.render(scene, 1280, 960, "holy_sphere.ppm")