[ODE] dBodyAddForce problem

[Chris Campbell]

just at a glance i think maybe the '3' in this line should be a '2' ....?
maybe

{AppCamera::instance().m_vView[0],AppCamera::instance().m_vView[1],AppCamera
::instance().m_vView[3],0};

> -----Original Message-----
> From: jnilson_99@yahoo.com [mailto:jnilson_99@yahoo.com]
> Sent: Thursday, December 05, 2002 7:32 PM
> To: ode@q12.org
> Subject: [ODE] dBodyAddForce problem
> 
> 
> 
> I'm having a problem setting the force on a body
> using:
> 
> dBodyAddForce (body[0],fx,fy,fx);//see more code below
> 
> BACKGROUND:
> At a high level I'm trying to 
> - place a body at the origin
> - then typing the 'f' key to increase the force scalar
> - move around the origin with the 'a','s','d','w' keys
> and look left,right,up,down using the mouse
> (this is just like in any First Person Shooter)
> - when I click the Left Mouse button, I grab the
> camera/view vectors and use them to detirmine the
> force vector(ie the direction to apply force in, I
> scale the vector by the force scalar incremented with
> the 'f' key.
> 
> PROBLEM:
> When I hit the Left Mouse button, the object ONLY
> travels down the Z axis. No matter where I position
> the camera, thus generating a different force vector,
> no joy. The body always move only down the Z axis. I'm
> now stuck....
> 
> 
> 
> if(button == 0 && state == 1)
> {
>     dVector3 view =
> {AppCamera::instance().m_vView[0],AppCamera::instance().m_vVie
> w[1],AppCamera::instance().m_vView[3],0};
>     dNormalize3 (view);
> 
>     double fx = force*view[0];
>     double fy = force*view[1];
>     double fz = force*view[2];
>     dBodyAddForce (body[0],fx,fy,fz);
>     dBodyAddForce (body[0],0,-GRAVITY,0);
> }
> 
> if(button == 2)
> {
>     dBodyDestroy(body[0]);
>     dMass m;
>     dMassSetBox (&m,1,SIDE,SIDE,SIDE);
>     dMassAdjust (&m,MASS);
>     body[0] = dBodyCreate (mworld);
>     dBodySetMass (body[0],&m);
>     dBodySetPosition (body[0],0.5*SIDE,0.5*SIDE,1);
> }
> 
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