ffc script Eye_Sentry{
	void run(int item_id, int perm, bool left){
		bool triggered = false;
		float angle;
		int sfxTimer;
		if(Screen->D[perm]==1)
			triggered= true;
		while(!Link->Item[item_id])
			Waitframe();
		Screen->D[perm]=1;
		this->Data++;
		while(!triggered){
			if(left){
				//angle between object and player
				angle = Angle(this->X+24, this->Y+8,Link->X+8,Link->Y);
				//Because arc is weird.
				angle *=-1;
				Screen->Arc(3, this->X+8, this->Y+8, 256, angle+10,angle-10, 1, 1, 0, 0, 0, true, true, OP_TRANS);
			}
			else{
				angle = Angle(this->X+8, this->Y+8,Link->X+8,Link->Y);
				angle *=-1;
				Screen->Arc(3, this->X+8, this->Y+8, 256, angle+10,angle-10, 1, 1, 0, 0, 0, true, true, OP_TRANS);
			}
			//Create sound every sixty seconds.
			if ( sfxTimer == 0 ) Game->PlaySound(SFX_X_RAY);
			sfxTimer = (sfxTimer+1)% 60;
			Waitframe();
		}
		this->Data=GH_INVISIBLE_COMBO;
	}
}