| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the manual tests of the Qt Toolkit. |
| ** |
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| ** Commercial License Usage |
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| ** GNU General Public License Usage |
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| ** General Public License version 3 as published by the Free Software |
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| ****************************************************************************/ |
| |
| import QtQuick 2.12 |
| import "content" |
| |
| Rectangle { |
| id: root |
| width: 640 |
| height: 480 |
| color: "black" |
| |
| Repeater { |
| model: 2 |
| |
| Image { |
| id: ball |
| objectName: "ball" + index |
| source: "resources/redball.png" |
| property real homeX: 200 + index * 200 |
| property real homeY: 200 |
| width: 80; height: 80; x: homeX; y: 200 |
| |
| Text { |
| anchors.centerIn: parent |
| color: "white" |
| text: momentum.velocity.x.toFixed(2) + "," + momentum.velocity.y.toFixed(2) |
| } |
| |
| SequentialAnimation { |
| id: anim |
| |
| function restart(vel) { |
| stop() |
| momentum.velocity = vel |
| start() |
| } |
| |
| MomentumAnimation { id: momentum; target: ball } |
| |
| PauseAnimation { duration: 500 } |
| |
| ParallelAnimation { |
| id: ballReturn |
| NumberAnimation { |
| target: ball |
| property: "x" |
| to: homeX |
| duration: 1000 |
| easing.period: 50 |
| easing.type: Easing.OutElastic |
| } |
| NumberAnimation { |
| target: ball |
| property: "y" |
| to: homeY |
| duration: 1000 |
| easing.type: Easing.OutElastic |
| } |
| } |
| } |
| |
| DragHandler { |
| id: dragHandler |
| objectName: "dragHandler" + index |
| onActiveChanged: { |
| if (!active) |
| anim.restart(centroid.velocity) |
| } |
| } |
| Rectangle { |
| visible: dragHandler.active |
| anchors.fill: parent |
| anchors.margins: -5 |
| radius: width / 2 |
| opacity: 0.25 |
| } |
| |
| Rectangle { |
| visible: width > 0 |
| width: dragHandler.centroid.velocity.length() * 100 |
| height: 2 |
| x: ball.width / 2 |
| y: ball.height / 2 |
| z: -1 |
| rotation: Math.atan2(dragHandler.centroid.velocity.y, dragHandler.centroid.velocity.x) * 180 / Math.PI |
| transformOrigin: Item.BottomLeft |
| antialiasing: true |
| |
| Image { |
| source: "resources/arrowhead.png" |
| anchors.right: parent.right |
| anchors.verticalCenter: parent.verticalCenter |
| width: 16 |
| height: 12 |
| antialiasing: true |
| } |
| } |
| } |
| } |
| } |