samegame.js Example File

  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;
  }