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…
Author
Released
11/30/2012- 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
Duration
Views
Related Courses
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Introduction
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Welcome39s
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Using the exercise files1m 28s
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1. nCloth Basics
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Adopting a scale convention4m 27s
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Building polygon primitives5m 42s
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Freezing transforms1m 38s
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Creating passive colliders1m 46s
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Creating nCloth2m 17s
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Setting Nucleus Space Scale2m 47s
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Choosing an nCloth preset2m 18s
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2. Simulating Dynamic nCloth
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Planning and preparing1m 10s
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Laying out the scene4m 49s
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Defining materials2m 40s
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Constructing a simulation5m 48s
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Adjusting strength drop-off3m 15s
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Adding Nucleus wind1m 29s
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Using interactive playback1m 33s
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3. Directing nCloth
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Tuning solver attributes2m 34s
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Adjusting dynamic properties4m 29s
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Setting the initial state2m 25s
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Creating an nCache6m 59s
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4. Optimizing Performance
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Duplicating nCloth5m 25s
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Assigning Nucleus solvers2m 14s
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Using collision layers5m 6s
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Extruding nCloth3m 14s
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Modeling nCloth garments2m 30s
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5. Integrating nCloth with Animation
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Welding adjacent borders4m 17s
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Working with nCaches6m 32s
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Painting cache weights3m 54s
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6. Simulating Special Effects
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Simulating many objects6m 44s
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Adjusting lift and drag6m 30s
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Applying wind shadow2m 34s
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Connecting nCloth to fields4m 19s
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Simulating rigidity3m 46s
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Scaling time with nCache2m 5s
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Tearing nCloth2m 40s
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Conclusion
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Goodbye47s
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Video: Scaling time with nCache