The light type.
| Directional | An infinite directional light. |
| Point | A point light emitting light in all directions. |
| Spot | A spot light emitting light in a direction with a cone shaped opening angle. |
| Rectangle | A light shaped like a rectangle emitting light into the hemisphere that it is facing. |
| Disc | A light shaped like a disc emitting light into the hemisphere that it is facing. |