Almost finished!!! Spherical Planet Gravity Test

#include <acknex.h>
#include <default.c>
#include <windows.h>

VECTOR WorldCenter;
ENTITY* Person;

action Person_Action()
{
	c_setminmax(me);
	Person=me;
	
	while(1)
	{
		//***************PLAYER MOVEMENT*************
		//forward-back
		c_move(Person,vector((5*(key_w-key_s)*time_step),0,0),nullvector,IGNORE_PASSABLE);
		//strafe left-right
		c_move(Person,vector(0,(5*(key_a-key_d)*time_step),0),nullvector,IGNORE_PASSABLE);
		//rotate left-right
		c_rotate(Person,vector((10*(key_q-key_e)*time_step),0,0),USE_AXIS);
		
		//*******ROTATION RELATIVE TO PLANET CORE ***********
		//Rotate Person on WORLD
		VECTOR TempVec;
		vec_set(TempVec,WorldCenter); //temp vector pointing to center of the planet
		vec_sub(TempVec,Person.x); //subtract vectors for planet core (gravity center) and player position to get a direction vetor towards the center
		vec_to_angle(Person.pan,TempVec); //change direction vector to an angle to rotate the model towards the center, almost ok... but my player is looking towards the planet face down, not standing on it!
		Person.tilt += 90; //I did this to fix the person laying face down toward the planet (now it is standing on it correctly)

		//********************GRAVITY*************************
		//check distance to planet surface
		float FloorDist;
		FloorDist=c_trace(Person.x,WorldCenter,IGNORE_ME | IGNORE_PASSABLE);
		if(FloorDist>68)
		{
			c_move(Person,vector(0,0,-5*time_step),nullvector,IGNORE_PASSABLE);//Apply ORIENTED Gravity (relative to player's z axis)
		}
		else if(FloorDist<67)//I had to add this because my test planet is not completely round and has pointy edges where he got stuck
		{
			c_move(Person,vector(0,0,5*time_step),nullvector,IGNORE_PASSABLE);//Push away from planet's pointy edges
		}
		
		wait(1);
	}
}

void main ()
{
	level_load("Luna.wmb");
	vec_set(WorldCenter,vector(0,0,0));

	camera.x=-2000;
	camera.y=0;
	camera.z=100;

	ent_createlocal("Character_M.mdl",vector(0,0,500),Person_Action);
}