Join Aaron F. Ross for an in-depth discussion in this video Setting an initial state, part of Maya Dynamics: Creating Simulations (2012).
We want to set an initial state for the dynamic objects.…The initial state is the position, orientation and velocity of the object at the…first frame of the simulation.…What is it doing at the beginning of the shot?…Currently I have got all my objects in the air and when I press Play they land.…What I want to have happen is I want them to be fully settled down and in…contact with the floor on Frame 1.…Now you might think that one way to do that would be to simply select your…object and just kind of move it down until it's touching. This is not really a…good way to do this.…
For one it might actually be overlapping. If I tap the Spacebar and go out here,…you might actually be overlapping the ground plane and if that's the case at…Frame 1 then that's going to break your simulation completely. You can't have…objects overlapping in a Dynamic Simulation; they just won't work properly. They…have to be separated and not touching.…You think all right, well I'll just move it up a little bit and that way it's not touching.…
AuthorAaron F. Ross
- Choosing a scale convention
- Laying out the scene
- Modeling proxy objects
- Creating passive and active rigid bodies
- Imparting an initial velocity
- Improving performance
- Applying damping
- Adjusting mass
- Adding a Radial field
- Keying the Active attribute
- Baking the simulation to keyframes
- Creating Hinge and Spring constraints
Skill Level Intermediate
1. Building a Simulation
2. Directing a Simulation
3. Working with Keyframes
4. Applying Dynamic Constraints
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