simple gravitation:
Code:
 
function gravity()
{
	while(1)
	{
		vec_set(temp, my.x);
		temp.z -=  1000;
		trace_mode = IGNORE_ME + IGNORE_PASSABLE + IGNORE_SPRITES; 
		result = trace (my.x, temp);
  		my.z -=  result;
	wait(1);
	}
}


Never say never.