basic functionality: falling snow

[qt-letitsnow] / contents / ui / main.qml

diff --git a/contents/ui/main.qml b/contents/ui/main.qml
index 4b6503b..f19618d 100644 (file)
--- a/contents/ui/main.qml
+++ b/contents/ui/main.qml
@@ -30,24 +30,75 @@ import QtQuick.Controls 1.2
 
 Item {
        id: root;
+       
+       property var snow: [];
+       readonly property int snowCount: 100;
+       readonly property int screenWidth: Qt.application.screens[0].width;
+       readonly property int screenHeight: Qt.application.screens[0].height;
+       
        Button {
+
+               id: letitsnow;
+
                anchors.centerIn: parent;
                text: "Let it snow!";
 
                onClicked: {
-                       var snow = [];
-                       for (var i = 0; i < 10; i++) {
+                       
+                       //var screenWidth = Qt.application.screens[0].width;
+                       //var screenHeight = Qt.application.screens[0].height;
+                       
+                       for (var i = 0; i < snowCount; i++) {
+                               
+                               var component = Qt.createComponent("snowWindow.qml");
+                               
+                               snow[i] = component.createObject(root);
                                
-                               snow[i] = Qt.createComponent("snowWindow.qml");
-                               var snowWindow = snow[i].createObject(root);
-                               snowWindow.x = Math.random() * 500;
-                               snowWindow.y = Math.random() * 500;
-                               //snowWindow.opacity = 0.9;
-                               //snowWindow.flags = Qt.WA_TransparentForMouseEvents | Qt.X11BypassWindowManagerHint;
-
-                               //snowWindow.flags =  Qt.WA_TransparentForMouseEvents| Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint;
-                               snowWindow.showMaximized();
+                               snow[i].x = Math.random() * screenWidth;
+                               snow[i].y = Math.random() * screenHeight;
+                               
+                               snow[i].showMaximized();
                        }
-        }
-    }
+                       
+                       snowFalling.running = true;
+               }
+       }
+
+       Timer {
+
+               id: snowFalling
+
+               function test() {
+               }
+
+               interval: 50; running: false; repeat: true
+               
+               onTriggered: {
+                       
+                       for (var i = 0; i < snowCount; i++) {
+                               if(snow[i].dir == 0) {
+                                       snow[i].x += 2;
+                               } else {
+                                       snow[i].x -= 2;
+                               }
+                               
+                               if (snow[i].disposition++ % snow[i].swirl == 0) {
+                                       snow[i].dir = !snow[i].dir;
+                               }
+
+                               if(snow[i].x > screenWidth) {
+                                       snow[i].x = 0;
+                               } else if (snow[i].x < 0) {
+                                       snow[i].x = 1440;
+                               }
+
+                               snow[i].y += 2;
+
+                               if (snow[i].y > screenHeight) {
+                                       snow[i].y = 0;
+                               }
+                       }
+               }
+       }
+
 }