Ambient Occlusion for Particles

1
Ambient Occlusion for Particles

• Encode global information in textures for use
  during rendering

2
Ambient Occlusion Results

• Only 10 impact on frame rates as compared to
  direct lighting only
• Textures only as good as or better than DL only
• Does have a huge memory requirement
• Texture compression (VQ, PCA)
• Can be used with shadows
• Movie - Fireball 11

3
Silhouette Edges
-1 -1 -1
-1 8 -1
-1 -1 -1
4
Silhouette Results

• Requires no precomputation time
• Impact on performance is only 2-5 for most
  applications.
• Data agnostic
• Movie - Time Varying Foam Data set