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How to apply a SIM_Force

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Hi guys,


i'm trying to apply a force on the points of a geometry.

So far i have a DOP network where i retrieve my geometry and its points, i give these points a mass and a velocity in my solver i'm coding.

Then i add a gravity node.

I read this article in the documentation : http://www.sidefx.com/docs/hdk13.0/_h_d_k__op_basics__sim_solver.html#HDK_OpBasics_SimSolver_ExternalForces

that explains how to retrieve the forces in the DOP network but then how can i apply them to my points?

Tell me if you need more informations.



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I tried using the getForce() function on each of my points. So now i retrieve the force as a vector that is equal to (0.0, -9.80665, 0.0) wich is exactly my gravity so it's great.

I guess i have to apply this force on my own on each of my points according to the timestep or the framestep.

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