Difference between revisions of "Houdini learning"
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// In this order : uvautoseam - uvflatten - uvlayout | // In this order : uvautoseam - uvflatten - uvlayout | ||
In uvflatten : Seams = seams | In uvflatten : Seams = seams | ||
| + | </pre> | ||
| + | |||
| + | === Attribwrangle - if... === | ||
| + | <pre> | ||
| + | // Kill emission on a smoke source after frame 300 | ||
| + | if (@Frame>300) @density = 0; | ||
</pre> | </pre> | ||
Revision as of 18:42, 7 August 2020
Contents
Houdini learning
Increase Volume Density
// In a volumewrangle @density *= 10;
Substract any VDB by another VDB
// In a volumewrangle if (volumesample(1,"surface",@P)<0)@density=0; //inverse: if (volumesample(1,"surface",@P)>0)@density=0;
Get bound & centroid
// In a null object
bbox(opinputpath('.',0),D_XSIZE)
bbox(opinputpath('.',0),D_YSIZE)
bbox(opinputpath('.',0),D_ZSIZE)
centroid(opinputpath('.',0),D_X)
centroid(opinputpath('.',0),D_Y)
centroid(opinputpath('.',0),D_Z)
UVs
// In this order : uvautoseam - uvflatten - uvlayout In uvflatten : Seams = seams
Attribwrangle - if...
// Kill emission on a smoke source after frame 300 if (@Frame>300) @density = 0;
