Shadows
Increase the realism of 3D shaded objects by given depth cues.
The size of a shadow depends on the position of the light.
Early [see page 8, approaches] include shadow volumes or shadow z-buffers which work in two stages:
- view-independent - generate shadow info
- view-dependent - render shadows
Some [see page 9, definitions]:
| Term | Meaning |
|---|---|
| Light Source | A point which produces light. |
| Creator | An object which produces blocks a light source, creating a shadow. |
| Receiver | A surface onto which a shadow is placed due to a creator. |