Class SmoothTriangle

crates/luacad/src/render.rs:64–71

A triangle with per-vertex normals for smooth shading.

    Light {
      direction: normalize([-1.0, 0.3, 0.5]),
      diffuse: 0.55,
      specular: 0.0,
    },
    Light {
      direction: normalize([0.0, -1.0, 0.0]),
      diffuse: 0.4,
      specular: 0.0,
    },
  ]
}