[NEWTON] NewtonBodySetForce

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[NEWTON] NewtonBodySetForce #243279 12/29/08 08:34 12/29/08 08:34
Joined: Dec 2005 Posts: 490 Germany/Berlin-Velten kasimir OP Senior Member
kasimir OP Senior Member Joined: Dec 2005 Posts: 490 Germany/Berlin-Velten	Hi, i started with Newton, and i would ask if it is possible to set forces outside the callback function? so i can use it like NewtonBodySetVelocity in each other funtion? THX kasimir 3dgs-hobbyschmiede.de-> Forum

Re: [NEWTON] NewtonBodySetForce [Re: kasimir] #245773 01/11/09 20:12 01/11/09 20:12
Joined: Dec 2005 Posts: 490 Germany/Berlin-Velten kasimir OP Senior Member
kasimir OP Senior Member Joined: Dec 2005 Posts: 490 Germany/Berlin-Velten	so i did it include into the callback function using 3 skills... but it does not work this way i like to have it... i tried to move physic objects with mouse before with ODE - this works nice, but if i do this same way with Newton an object hiting a wall gets stuck / looking not nice... with ODE this looks still smooth: Youtube Video - ODE so how i do this: -calculate a vector from the clicked object to the 3d mouse position -clear all velocities -add force two examples with Newton: Youtube so does anyone know a better way than mine?! THX KASIMIR Last edited by kasimir; 01/12/09 19:07. 3dgs-hobbyschmiede.de-> Forum

Re: [NEWTON] NewtonBodySetForce [Re: kasimir] #248256 01/25/09 16:48 01/25/09 16:48
Joined: Dec 2005 Posts: 490 Germany/Berlin-Velten kasimir OP Senior Member
kasimir OP Senior Member Joined: Dec 2005 Posts: 490 Germany/Berlin-Velten	so i get it work with newton like ode using forces! but i modified the callback-function this way to add forces, i know thats is not nice Code: void onforceandtorque(NewtonBody* body) { float mass, ixx, iyy, izz; NewtonBodyGetMassMatrix(body, &mass, &ixx, &iyy, &izz); ENTITY* entity = NewtonBodyGetUserData(body); VECTOR force; NewtonBodySetForce(body, vectorf(0, 0, - 50 * mass)); force.x = entity.skill20; force.y = entity.skill21; force.z = entity.skill22; NewtonBodyAddForce(body, vectorf(force.x, force.y, force.z)); entity.skill20 = 0; entity.skill21 = 0; entity.skill22 = 0; } now i am using 3 skills to save forces applied to an newtonobject, but it isn't the best way i like to have... so does anyone know a better way to solf this problem??? [EDIT] How can i apply forces out of the center / origin of a physic obect? I want to drag them with help of the mouse! Last edited by kasimir; 01/27/09 14:56. 3dgs-hobbyschmiede.de-> Forum

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