andrew price. introduction to smoke simulation in blender 2.5
TRANSCRIPT
Andrew Price
Introduction to Smoke Simulation in Blender 2.5
Presentation Overview
Old vs New – What's changed? How it works Using the interface Rendering smoke Known Issues Future Developments Creating a smoke grenade
Old vs New – What's Changed?
Old System
New System
How it works
Domain
Flow
Using the Interface
Domain
24
32
40
50
60
70
80
Resolution Tests
24 32 40
50
60 70 80
“enables large- and small-scale detail to be edited separately, allowing high-resolution detail
to be added as a post-processing step.”
What's Wavelet?
-Nils Thürey, 2008 Siggraph Wavelet Paper, (Co-author)
et (2k) = et (k)2−53, et (1) =Ce 23
turbulence(x) =imax åi=iminp (2ix) 12i−imin
U(X) = I (u,X)+2−5 6 I be x, n 2 ,X z(I ,X)).
Simply put: The good stuff
Baking TimesLow Resolution High Resolution
24 seconds 6 minutes 24 seconds
Flow
Rendering smoke
Fixed!
Smoke Density
0.2 0.5 1
2 4
Shadows
Known Issues
Future Developments
Creating a smoke grenade
Domain
Domain
Emitter
Domain
Emitter
Empty
References:
Wavelet Paper, http://www.cs.cornell.edu/~tedkim/WTURB/