1. Wireframe, Painter's alg.
2. ^ + Mesh (w/ ctx.lineTo()).
3. ^ + ScanLine (w/ ctx.lineTo()).
4. ^ + ScanLine (w/ "pixels").
5. ^ + Z-Buffered (actual px)
6. ^ + Diffuse Lighting.
│ 7. ^ + PerspectiveCorrect Texture.
└── 8. Toggle per pixel shading
(Diffuse+Gouraud)/2.
│ │ 9. Toggle BumpMap.
│ └── Enable GreenMagenta
Bump Normals display.
* Reds also have Backface Culling.

1. Cube.
1.+ fixedVertexNormalWeights.
2. Icosahedron.