examples/declarative/tutorials/samegame/samegame2/samegame.js
changeset 30 5dc02b23752f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/declarative/tutorials/samegame/samegame2/samegame.js	Tue Jul 06 15:10:48 2010 +0300
@@ -0,0 +1,63 @@
+//![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]
+