I've created this little bouncing ball animation with nCloth, and I want to use…that to illustrate a cool trick you can do with nCache.…To make this happen, I'm going to select that ball, and go up into the nCache menu,…and Create a New Cache.…I'll just play through; take a second to do that.…Now I can scrub across in the timeline, and with that ball selected, I can go…back to the Attribute Editor, and I'm looking for the cache node. Here it is:…nClothShape1Cache1. And there are a lot interesting things you can do in here.…
What I'm really concerned with here is the timing of the animation, and that's…accomplished through this Scale attribute.…This doesn't change the size of the object in the scene,…but it changes how the cache is interpreted in terms of scale of the world.…If we reduce the Scale here to .5, then the cache is going to consider that that…object is now half as big, and that means it'll move twice as fast.…So it only took 36 frames instead of 72 to go through its motions.…
If it had a Scale of 2, the simulation is going to act as if the object were…
AuthorAaron F. Ross
- Understanding the nucleus solver
- Adopting a scale convention
- Adjusting nCloth and nRigid attributes
- Creating and animating nConstraints
- Editing nConstraint membership and influence
- Smoothing nCloth with subdivision surfaces
- Storing and manipulating simulation data with nCache
- Improving simulation quality and efficiency
- Dressing an animated character
- Painting dynamic attributes such as Stickiness
- Simulating many objects such as falling leaves
Skill Level Intermediate
1. nCloth Basics
2. Simulating Dynamic nCloth
3. Directing nCloth
4. Optimizing Performance
5. Integrating nCloth with Animation
6. Simulating Special Effects
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