I have two sets of code. The PlayerCollisions script is suppose to allow for the door on a hut to be opened when four batteries are collected and shown in the gui texture shaped as a battery meter. The script is attached to the FPC with the BatteryCollect on the GUI texture.

The problem is that the gui does not show up and the batteries do not disappear and move the meter scale (clearly since it doesn't show up). If someone can look at the PlayerCollisions script and see if you can spot a problem with it, that would be awesome. I'm at a lost and it looks like it's correct and should work, but it does not.

PlayerCollision.js

private var doorIsOpen : boolean = false;
private var doorTimer : float = 0.0;
private var currentDoor : GameObject;

var doorOpenTime : float = 3.0;
var doorOpenSound : AudioClip;
var doorShutSound : AudioClip;
var batteryCollect : AudioClip;

function Update () {
    if(doorIsOpen){
    	doorTimer += Time.deltaTime;

    	if(doorTimer > 3){
    		shutDoor();
    		doorTimer = 0.0;
    	}

    var hit : RaycastHit;
    	if(Physics.Raycast (transform.position,
    		transform.forward, hit, 5)) {
    	if(hit.collider.gameObject.tag=="outpostDoor"
    		&& doorIsOpen == false && BatteryCollect.charge >= 4){
    		currentDoor = hit.collider.gameObject;
    		Door(doorOpenSound, true, "dooropen", currentDoor);
    		GameObject.Find("Battery GUI").GetComponent(GUITexture).enabled=false;
    		}
    	}
    }
}
/*
function OnControllerColliderHit(hit: ControllerColliderHit){
    if(hit.gameObject.tag == "outpostDoor" && doorIsOpen == false){
    	currentDoor = hit.gameObject;
    	Door(doorOpenSound, true, "dooropen", currentDoor);
    }
}
*/
function OpenDoor(){
    audio.PlayOneShot(doorOpenSound);
    doorOpen = true;
    var myOutpost : GameObject = GameObject.Find("outpost");
    myOutpost.animation.Play("dooropen");
}

function shutDoor(){
    audio.PlayOneShot(doorShutSound);
    doorIsOpen = false;

    var myOutpost : GameObject = GameObject.Find("outpost");
    myOutpost.animation.Play("doorshut");
}

function Door(aClip : AudioClip, openCheck : boolean, animName :
String, thisDoor : GameObject){
    audio.PlayOneShot(aClip);
    doorIsOpen = openCheck;

    thisDoor.transform.parent.animation.Play(animName);
}

function OnTriggerEnter(collisionInfo : Collider){
    if(collisionInfo.gameObject.tag == "battery"){
    	BatteryCollect.charge++;
    	audio.PlayOneShot(batteryCollect);
    	Destroy(collisionInfo.gameObject);
    }
}

@script RequireComponent(AudioSource)

BatteryCollect.js

static var charge : int = 0;

var charge1tex : Texture2D;
var charge2tex : Texture2D;
var charge3tex : Texture2D;
var charge4tex : Texture2D;
var charge0tex : Texture2D;

function Start(){
    guiTexture.enabled = false;
    charge = 0;
}

function Update () {
    if(charge == 1){
    	guiTexture.texture = charge1tex;
    	guiTexture.enabled = true;
    }
    else if(charge == 2){
    	guiTexture.texture = charge2tex;
    	}
    	else if(charge == 3){
    		guiTexture.texture = charge3tex;
    	}
    	else if(charge >= 4){
    		guiTexture.texture = charge4tex;
    	}
    	else{
    		guiTexture.texture = charge0tex;
    	}
}