GameManager [JS|UNITY3d|by FetBiko]

static var tiles:GameObject[,] = new GameObject[3, 3];

static var isLoading:boolean = true;
static var isClearing:boolean = true;

function Start() {
    isLoaded = false;
}


function Update() {
    if (isLoading) {
        for (var i = 0; i < 3; i++) {
            for (var j = 0; j < 3; j++) {
                tiles[i, j] = GameObject.Find("tile_"+i+"-"+j);
            }
        }
        isLoading = false;
    }

    if(Input.GetKeyDown(KeyCode.R) || isClearing) {
        for (var i2 = 0; i2 < 3; i2++) {
            for (var j2 = 0; j2 < 3; j2++) {
                tiles[i2, j2].GetComponent("SpriteRenderer").sprite = null;
            }
        }
        isClearing = false;
    }

    if (checkWin()) {
        Debug.Log("WINNNN!!!!");
    }
}

function checkWin() {
    if (checkTilesSprites(tiles[0, 0], tiles[1, 1], tiles[2, 2])) return true;
    if (checkTilesSprites(tiles[2, 0], tiles[1, 1], tiles[0, 2])) return true;

    for (var i = 0; i < 3; i++) {
        if(checkTilesSprites(tiles[i, 0], tiles[i, 1], tiles[i, 2])) return true;
        if(checkTilesSprites(tiles[0, i], tiles[1, i], tiles[2, i])) return true;
    }

    return false;
}

function checkTilesSprites(tile1:GameObject, tile2:GameObject, tile3:GameObject) {
    var t1 = tile1.GetComponent("SpriteRenderer").sprite;
    var t2 = tile2.GetComponent("SpriteRenderer").sprite;
    var t3 = tile3.GetComponent("SpriteRenderer").sprite;

    if (t1 != null && t1 == t2 && t2 == t3) {
        return true;
    }
}