
1. Next-Generation Rendering in Thief 85
Figure 1.15. Old-generation Thief particles rendering (left) and next-generation version
(right). Notice the color variation of the fog due to different lighting. [Image courtesy
Square Enix Ltd.]
1.4 Lit Particles
Another addition made for the next-generation version of Thief was the support
for lit particles. Prior to this, our particle system colors had to be tweaked by
hand, and this meant that particles could not react to lighting changes. With
lighting support, particles look much more integrated into the environment and
they appear to react more dynamically to changes in lighting.
The lighting feature set ...