Join Aaron F. Ross for an in-depth discussion in this video Controlling collision thickness, part of Learning Maya nCloth 2012.
One of the most important properties of an nCloth shape is the…collision thickness.…That's an envelope around the cloth that determines whether or not the cloth is…touching something, or colliding with something.…The collision Thickness is found in the nClothShape node, in the top section here,…which is Collisions.…And currently, I've got a Thickness of 0.8 or so, and that seems to be …working okay. I've got no wind in this particular scene, and I'm just checking to…see if the cloth is self-intersecting.…
And as I look here, it seems okay; I don't see any areas where the cloth is…actually poking through itself. Very good.…I'll rewind, and let's reduce the Thickness down to 0.…This is something you'd never do in production, or in real life.…I'm doing that just to make my point, reducing the thickness down to nothing.…Pressing Play, and immediately we see the difference here. The cloth is …self-intersecting, and poking through itself.…And that's a really terrible outcome, because if that cloth actually passes…
Author
Aaron F. Ross
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
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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: Controlling collision thickness