Revision control
++ //![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]
++