ok, i've had some time, tested this under A6.40, but seems to work...

here's the code i use:

Code:

---

 
entity* car;

//Environment Defines
var earth_gravity[3] = 0,0, -887;

action physics_ent
{
	car = me;
	phent_settype(my, PH_RIGID, PH_BOX);
	ph_setgravity( earth_gravity );
	phent_setmass(my, 7, PH_BOX);
	phent_setfriction(my,20);         
	phent_setelasticity(my, 25, 1);
	phent_setdamping(my, 30, 15);
	
	control();
}

function control
{
	var velocity;
	var velocity3[3];
	while(1)
	{
		phent_getvelocity(my, velocity3, nullvector);
		velocity = vec_length(velocity3);
		
		if(key_w == 1){vec_set(temp.x, my); vec_normalize(temp, 5000); phent_addforcelocal(my, temp, nullvector);}
		if(key_s == 1){vec_set(temp.x, my); vec_normalize(temp, -2500); phent_addforcelocal(my, temp, nullvector);}
		if(key_a == 1 && velocity > 60){phent_addtorqueglobal (my, vector(0, 0, 200));}
		if(key_d == 1 && velocity > 60){phent_addtorqueglobal (my, vector(0, 0, -200));}
		wait(1);
	}
}

function main
{
	video_switch(7, 32, 2);
	
	fps_max = 60;
	
	level_load("nascar_test.wmb");
	wait(5);
}
 

---

should work.

regards,