btw, it's not because I'm forgetting to call it in a while loop. It's being called in a loop, it's just not working.

Here's the whole code:
Code:
#include <acknex.h>
#include <default.c>

float distx,disty,distz,distxy;

void FaceObject(ENTITY* ent1,ENTITY* ent2)
{
	distz= ent2.z - ent1.z; //these are the distance variables.
	disty= ent2.y - ent1.y; //as you can see,these find
	distx= ent2.x - ent1.x; //the distance between the x,y,and z components.
	
	distxy= sqrt(pow(distx,2) + pow(disty,2)); //finding general distance to object
	/*I prefer not to use vec_dist() here because
	 *I have already found the z distance above,
	 *and I don't need more than the x and y in
	 *this case.*/
	
	ent1.pan= atan(disty/distx); //using arc tangent to find pan
	ent1.tilt= atan(distz/distxy); //and tilt angles.
}

void main()
{
	video_mode= 8;
	video_screen= 1;
	level_load("terr_env.wmb");
	wait(3);
	
	camera.z= 250;
	
	ENTITY* face_me= ent_create("dummy.mdl",vector(100,100,100),NULL);
	
	while(1)
	{
		FaceObject(camera,face_me);
		
		face_me.x+= 10 * time_step;
		wait(1);
	}
}


Code:
void main()
{
    cout << "I am MrCode,";
    cout << "hear me roar!";
    system("PAUSE");
}