var player_health = 100;

action health_taker()
{
	while(!player){ wait(1); }
	
	int touching = false;
	var touching_counter = 0;
	
	while(my) // never create endless loops !
	{
		if(vec_dist(player.x, my.x) < 200) // if we are close enough?
		{
			if(touching == false) // and we yet can do damage to player ?
			{
				player_health -= 10; // take 10 health points from player
				touching = true; // make sure that if statement is going to be false in next loop
				// so we wouldn't take any more health points !
			}
			
			// if you need to take player's health, let's say 10 points each second
			// you can reset 'touching' to false each 1 second
			touching_counter += time_frame / 16;
			if(touching_counter >= 1)
			{
				touching = false;
				touching_counter -= 1;
			}
		}
		else // far enough ?
		{
			if(touching == true) // and we previosly touched player ?
			{
				touching = false; // reset touching switch
			}	
		}
		
		wait(1);
	}
}

action player_controller()
{
	player = my;
	
	while(my)
	{
		if(player_health <= 0)
		{
			break;
		}
		wait(1);
	}
	
	ptr_remove(my);
}

void main()
{
	fps_max = 60;
	warn_level = 6;
	
	level_load("");
	
	ent_create(CUBE_MDL, vector(128, 32, 0), health_taker);
	ent_create(SPHERE_MDL, vector(128, -32, 0), player_controller);
	
	while(!key_esc)
	{
		DEBUG_VAR(player_health, 0);
		wait(1);
	}
	sys_exit(NULL);
}