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Hello fellow houdini artists. i hope y'all having a great weekend, just a quick quest, does anyone know how pyrofx can be used as a source to destroy a rigid body wall or any object that has been converted into a RBD, 

or after setting up or after setting up my fracture can i assign a pyro "fireball" to be the collider of the Fracture ? rather than having a sphere... please check out the example attached and thank you very much

pyrofx to rigid body.jpg

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The traditional workflow is to first create the rigid body sim and then the pyro sim using the debris as source.

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I explain how to use particles to drive a pyro source in this video. Approximately 9:45 into the tutorial.

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As for the original question, you can have a sim that fractures geometry. You need to increase the Feedback Scale in the (pyro or some other fluid) solver from 0, as well as Allow Fracturing From Feedback in your RBD solver. I don't remember it working too great though, might well be a better idea to have the pyro sim reactive to the rbd sim as suggested above.

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