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i'm trying to make an animation where a characters head appears suddently in a pile of hay.

The straw particles should almost explode on the top of the pile, then gently fall down.

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I've tested using physics (among others with this tutorial, wind on leaves), but cannot find a way to make it look good.

I also tested with a cloth (straws would be a texture on this cloth) pushed from below by a ball, but it doesn't look right either.

enter image description here

I've found something that approaches what I want (pillow hitting the ground), but this is just a video, there is no explanations.

enter image description here

Any ideas of how I should handle this ? Thanks!

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2 Answers 2

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You can create your emitter, your particle, and put a Force Field > Wind and a Turbulence underneath:

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In the Particle panel, under Velocity > Normal increase the value up to 10 for example to give a bit of dynamic to the particles (if they need to go up instead of everywhere, push up the Object Align Z value). Select the Wind and in the Physics panel, create 2 keyframes on the Strength, for example 0 at frame 10, and 8 at frame 20. Give your Turbulence a Stregth of 20. When the action begins, the particles explode due to their velocity, then they are slowed down by the Wind, and agitated by the Turbulence:

enter image description here

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I tried a simulation without adding Vortexes etc if you have a slow Computer.

Try these settings

The result should look like this:

enter image description here

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