Code:
///////////////////////////////
#include <acknex.h>
#include <default.c>
///////////////////////////////

var r= 36;
var x, y, z;
var br, lg;

PANEL* pan_coord = {
	digits = 10, 10, "br: %3.0f", *, 1, br;
	digits = 10, 30, "lg: %3.0f", *, 1, lg;
	flags=VISIBLE;
}	


action act_kugel(){

	br=0; lg=0;

	while(1){
		x = r * sin(br) * cos(lg);
		y = r * sin(br) * sin(lg);
		z = r * cos(br);
		
		br=(br+key_force.y*time_step*50)%360;	// oder mouse_force.
		lg=(lg+key_force.x*time_step*50)%360;
		
		vec_set(my.x, vector(x, y, z));
		
		wait(1);
	}	
		
}





void main(){
	
	level_load(NULL);
	ent_create("kugel.mdl", nullvector, NULL);
	ent_create("rkugel.mdl", nullvector, act_kugel); // entity
	
	vec_set(camera.x, vector(-200, 0, 0));
	
}