//![0]

var blockSize = 40;

var maxColumn = 10;

var maxRow = 15;

var maxIndex = maxColumn * maxRow;

var board = new Array(maxIndex);

var component;

//Index function used instead of a 2D array

function index(column, row) {

    return column + (row * maxColumn);

}

function startNewGame() {

    //Delete blocks from previous game

    for (var i = 0; i < maxIndex; i++) {

        if (board[i] != null)

            board[i].destroy();

    }

    //Calculate board size

    maxColumn = Math.floor(background.width / blockSize);

    maxRow = Math.floor(background.height / blockSize);

    maxIndex = maxRow * maxColumn;

    //Initialize Board

    board = new Array(maxIndex);

    for (var column = 0; column < maxColumn; column++) {

        for (var row = 0; row < maxRow; row++) {

            board[index(column, row)] = null;

            createBlock(column, row);

        }

    }

}

function createBlock(column, row) {

    if (component == null)

        component = Qt.createComponent("Block.qml");

    // Note that if Block.qml was not a local file, component.status would be

    // Loading and we should wait for the component's statusChanged() signal to

    // know when the file is downloaded and ready before calling createObject().

    if (component.status == Component.Ready) {

        var dynamicObject = component.createObject(background);

        if (dynamicObject == null) {

            console.log("error creating block");

            console.log(component.errorString());

            return false;

        }

        dynamicObject.x = column * blockSize;

        dynamicObject.y = row * blockSize;

        dynamicObject.width = blockSize;

        dynamicObject.height = blockSize;

        board[index(column, row)] = dynamicObject;

    } else {

        console.log("error loading block component");

        console.log(component.errorString());

        return false;

    }

    return true;

}

//![0]