Bumpifier

def scene_at(now)
{
  var camera = Cameras.perspective( [ "eye": pos(0,1,5),
                                      "look_at": pos(0,1,0) ] )

  var material = Materials.uniform( [ "ambient": Colors.white() * 0.1,
                                      "diffuse": Colors.white() * 0.8,
                                      "specular": Colors.white(),
                                      "specular_exponent": 100 ] )

  var perlin      = Perlin3D.vector3d(4)
  var root        = bumpify(perlin, decorate(material, xz_plane()), now)
  var lights      = [ Lights.directional( vec(0, -0.1, 1).normalized(), Colors.white() ) ]

  create_scene(camera, root, lights)
}


var raytracer   = Raytracers.v6()
var renderer    = Renderers.standard( [ "width": 500,
                                        "height": 500,
                                        "sampler": Samplers.multijittered(1),
                                        "ray_tracer": raytracer ] )

pipeline( scene_animation(scene_at, seconds(1)),
          [ Pipeline.animation(30),
            Pipeline.renderer(renderer),
            Pipeline.studio() ] )