Join Aaron F. Ross for an in-depth discussion in this video Keyframing emission, part of Maya: Creating Fluid Effects (2013).
Setting the initial state is necessary if you want your pond to be rippling on…frame 1 of the animation, in this case what I want actually is a perfectly flat…and placid water surface at the first frame of my animation.…Now you'll note that even if you have a low turbulence value that when you…press Play you'll still get a burst of emission at the very beginning of the…simulation. Now you could let this play out and you know get to sort of…equilibrium state and then set the initial state, so that the water would be almost completely flat.…
But there's a trick to this that we can use to kind of bypass the initial state entirely.…We can keyframe the emission rate; rewind back to frame 1 and I want to select that emitter.…I can go into the Channel box or the Attribute Editor. What I'm looking for…is the density emission rate, scrolling down and here it is Fluid Density…Emission. Remember we set that to a value of -1. I'm going to key that, so it'll…slowly increase over a period of about three seconds, four seconds, and that will eliminate those ripples.…
AuthorAaron F. Ross
- Simulating convincing surfaces of water and other liquids
- Creating dynamic ripples with fluid pond and wake emitters
- Testing simulations with interactive playback
- Rendering water surfaces
- Controlling render tessellation
- Floating objects dynamically
- Rendering an underwater scene
Skill Level Intermediate
Maya Dynamics: Creating Simulations (2012)with Aaron F. Ross2h 11m Intermediate
1. Fluid Pond Simulation
2. Open Ocean Effects
3. Rendering Underwater Scenes
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