action ThingAnimates () {
while(1) 
   {
      my.skill1 += 3*time_step;
      if (my.skill1 > 100) my.skill1 -= 100; 
      ent_animate(me,"Open",my.skill1,ANM_CYCLE);
      c_updatehull(my,1);
      wait(1);
   }
}

if (my.skill1 > 100) my.skill1 -= 100;

action actDoor(){
	// reset skill for animation:
	my.skill1 = 0;
	// animation loop:
	while(my.skill1 < 100){
		// animations speed:
		my.skill1 += 3 * time_step;
		// animate the door:
		ent_animate(my, "frame", my.skill1, ANM_CYCLE);
		// wait one frame:
		wait(1);
	}
	// as we've played the animation, fix the bounding box:
	c_updatehull(my, 10); // insert the last animation frame, instead of 10
}