Pingpong example: Gamelogic works on unit square

The two parties playing pingpong agreed on a screen size in the past.
This patch changes the logic to work on the unit square (0,1)x(0,1).
Visualization scales this up to window size. This patch also
simplifies the position update loop

Change-Id: Ie89b1eaa5fc14daf6b56cd42458a16ae0a923568
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>

1 files changed, 9 insertions, 12 deletions

diff --git a/examples/bluetooth/pingpong/assets/Board.qml b/examples/bluetooth/pingpong/assets/Board.qml
index 4409d2e6..ff29bceb 100644
--- a/examples/bluetooth/pingpong/assets/Board.qml
+++ b/examples/bluetooth/pingpong/assets/Board.qml
@@ -144,8 +144,8 @@ Rectangle {
             height: leftblock.width
             radius: width/2
             color: "#363636"
-            x: pingPong.ballX
-            y: pingPong.ballY
+            x: pingPong.ballX * scaleFactor
+            y: pingPong.ballY * scaleFactor
         }
     }
 
@@ -175,23 +175,20 @@ Rectangle {
     }
 
     property double leftBlockY: leftblock.y
-    onLeftBlockYChanged: pingPong.updateLeftBlock(leftblock.y)
+    onLeftBlockYChanged: pingPong.updateLeftBlock(leftblock.y / scaleFactor)
 
     property double leftBlockUpdate: pingPong.leftBlockY
-    onLeftBlockUpdateChanged: leftblock.y = pingPong.leftBlockY
+    onLeftBlockUpdateChanged: leftblock.y = pingPong.leftBlockY * scaleFactor
 
     property double rightBlockY: rightblock.y
-    onRightBlockYChanged: pingPong.updateRightBlock(rightblock.y)
+    onRightBlockYChanged: pingPong.updateRightBlock(rightblock.y / scaleFactor)
 
     property double rightBlockUpdate: pingPong.rightBlockY
-    onRightBlockUpdateChanged: rightblock.y = pingPong.rightBlockY
+    onRightBlockUpdateChanged: rightblock.y = pingPong.rightBlockY * scaleFactor
+
 
     Component.onCompleted: {
-        if (menulist.height == Screen.height && menulist.width == Screen.width)
-            pingPong.setSize(Screen.width, Screen.height)
-        else
-            pingPong.setSize(board.width, board.height)
-        pingPong.updateLeftBlock(leftblock.y)
-        pingPong.updateRightBlock(rightblock.y)
+        pingPong.updateLeftBlock(leftblock.y / scaleFactor)
+        pingPong.updateRightBlock(rightblock.y / scaleFactor)
     }
 }