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Ella Chiu
Generalist / FX Artist
Progress 3
I'm try to match the motion for first 3 seconds of the reference video. I did some changes to control the speed of the motion more slower that before.


I believe the mainly control of the speed is depends on the Density under MPM Source. When the number gets higher, the speed of fall down goes faster. So in here I change the density down to 800 from 1400. I also add up the stiffness from 2.5 to 6. In MPM Solver I also reduce the Gravity from -9.8 to -2, but I don't this had a lot of impact on the speed.
Next Step
When the butter melt, it becomes more liquid kind, so I probably will try to keyframe the Viscous to liquid. Right now the simulations when it melt looks more like honey. Not sure if the honey works and I'll see.

When the butter melt, it becomes more liquid kind, so I probably will try to keyframe the Viscous to liquid. Right now the simulations when it melt looks more like honey. Not sure if the honey works and I'll see.

I also try to use the ramp inside a attribute vop to divide the cube into two parts, one has more viscosity and one has less viscosity. However, I still cannot control the time of it's melting and also the one has more viscosity cannot be fully melt.

I also try to use attribute create and attribute transfer to control the area I want to slow down the simulation. I key frame inside attribute create but still cannot control.



current result with the two MPM source


Base on the points attributes from the MPM Solver, I try to control the velocity from frame 1 -72, however, the butter stop melting
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