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Diffstat (limited to 'examples/declarative/toys/tvtennis/tvtennis.qml')
-rw-r--r-- | examples/declarative/toys/tvtennis/tvtennis.qml | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/examples/declarative/toys/tvtennis/tvtennis.qml b/examples/declarative/toys/tvtennis/tvtennis.qml new file mode 100644 index 0000000..c90d9c5 --- /dev/null +++ b/examples/declarative/toys/tvtennis/tvtennis.qml @@ -0,0 +1,71 @@ +import Qt 4.7 + +Rectangle { + id: page + width: 640; height: 480 + color: "Black" + + // Make a ball to bounce + Rectangle { + id: ball + + // Add a property for the target y coordinate + property int targetY : page.height - 10 + property variant direction : "right" + + x: 20; width: 20; height: 20; z: 1 + color: "Lime" + + // Move the ball to the right and back to the left repeatedly + SequentialAnimation on x { + loops: Animation.Infinite + NumberAnimation { to: page.width - 40; duration: 2000 } + PropertyAction { target: ball; property: "direction"; value: "left" } + NumberAnimation { to: 20; duration: 2000 } + PropertyAction { target: ball; property: "direction"; value: "right" } + } + + // Make y follow the target y coordinate, with a velocity of 200 + SpringFollow on y { to: ball.targetY; velocity: 200 } + + // Detect the ball hitting the top or bottom of the view and bounce it + onYChanged: { + if (y <= 0) { + targetY = page.height - 20; + } else if (y >= page.height - 20) { + targetY = 0; + } + } + } + + // Place bats to the left and right of the view, following the y + // coordinates of the ball. + Rectangle { + id: leftBat + color: "Lime" + x: 2; width: 20; height: 90 + SpringFollow on y { + to: ball.y - 45; velocity: 300 + enabled: ball.direction == 'left' + } + } + Rectangle { + id: rightBat + color: "Lime" + x: page.width - 22; width: 20; height: 90 + SpringFollow on y { + to: ball.y-45; velocity: 300 + enabled: ball.direction == 'right' + } + } + + // The rest, to make it look realistic, if neither ever scores... + Rectangle { color: "Lime"; x: page.width/2-80; y: 0; width: 40; height: 60 } + Rectangle { color: "Black"; x: page.width/2-70; y: 10; width: 20; height: 40 } + Rectangle { color: "Lime"; x: page.width/2+40; y: 0; width: 40; height: 60 } + Rectangle { color: "Black"; x: page.width/2+50; y: 10; width: 20; height: 40 } + Repeater { + model: page.height / 20 + Rectangle { color: "Lime"; x: page.width/2-5; y: index * 20; width: 10; height: 10 } + } +} |