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/****************************************************************************
**
** Copyright (C) 2015 Paul Lemire <paul.lemire350@gmail.com>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import Qt3D.Core 2.0
import Qt3D.Render 2.0
import Qt3D.Input 2.0
import Qt3D.Logic 2.0
import QtQml 2.2
Entity {
id: root
property Camera camera
property real linearSpeed: 10.0
property real orbitSpeed: -180.0
property real lookSpeed: 180.0
property bool firstPersonMode: true
QtObject {
id: d
readonly property vector3d firstPersonUp: Qt.vector3d(0, 1, 0)
property bool leftMouseButtonPressed: false
property bool rightMouseButtonPressed: false
property real vx: 0;
property real vy: 0;
property real vz: 0;
property real dx: 0
property real dy: 0
property bool fineMotion: false
}
KeyboardController {
id: keyboardSourceDevice
}
MouseController {
id: mouseSourceDevice
sensitivity: d.fineMotion ? 0.01 : 0.1
}
LogicalDevice {
id: cameraControlDevice
actions: [
Action {
name: "LMB"
inputs: [
ActionInput {
sourceDevice: mouseSourceDevice
keys: [MouseController.Left]
}
]
},
Action {
name: "RMB"
inputs: [
ActionInput {
sourceDevice: mouseSourceDevice
keys: [MouseController.Right]
}
]
},
Action {
name: "fineMotion"
inputs: [
ActionInput {
sourceDevice: keyboardSourceDevice
keys: [Qt.Key_Shift]
}
]
}
] // actions
axes: [
// Rotation
Axis {
name: "RX"
inputs: [
AxisInput {
sourceDevice: mouseSourceDevice
axis: MouseController.X
}
]
},
Axis {
name: "RY"
inputs: [
AxisInput {
sourceDevice: mouseSourceDevice
axis: MouseController.Y
}
]
},
// Translation
Axis {
name: "TX"
inputs: [
AxisInput {
sourceDevice: keyboardSourceDevice
keys: [Qt.Key_Left]
scale: -1.0
},
AxisInput {
sourceDevice: keyboardSourceDevice
keys: [Qt.Key_Right]
scale: 1.0
}
]
},
Axis {
name: "TZ"
inputs: [
AxisInput {
sourceDevice: keyboardSourceDevice
keys: [Qt.Key_Up]
scale: 1.0
},
AxisInput {
sourceDevice: keyboardSourceDevice
keys: [Qt.Key_Down]
scale: -1.0
}
]
},
Axis {
name: "TY"
inputs: [
AxisInput {
sourceDevice: keyboardSourceDevice
keys: [Qt.Key_PageUp]
scale: 1.0
},
AxisInput {
sourceDevice: keyboardSourceDevice
keys: [Qt.Key_PageDown]
scale: -1.0
}
]
}
] // axes
}
components: [
AxisActionHandler {
id: handler
logicalDevice: cameraControlDevice
onAxisValueChanged: {
switch (name) {
case "TX": {
d.vx = axisValue * linearSpeed
break;
}
case "TY": {
d.vy = axisValue * linearSpeed
break;
}
case "TZ": {
d.vz = axisValue * linearSpeed
break;
}
case "RX": {
d.dx = axisValue;
break;
}
case "RY": {
d.dy = axisValue;
break;
}
}
}
onActionStarted: {
switch (name) {
case "LMB": {
d.leftMouseButtonPressed = true;
break;
}
case "RMB": {
d.rightMouseButtonPressed = true;
break;
}
case "fineMotion": {
console.log("fineMotion started")
d.fineMotion = true;
break;
}
}
}
onActionFinished: {
switch (name) {
case "LMB": {
d.leftMouseButtonPressed = false;
break;
}
case "RMB": {
d.rightMouseButtonPressed = false;
break;
}
case "fineMotion": {
console.log("fineMotion finished")
d.fineMotion = false;
break;
}
}
}
},
LogicComponent {
onFrameUpdate: {
// The time difference since the last frame is passed in as the
// argument dt. It is a floating point value in units of seconds.
root.camera.translate(Qt.vector3d(d.vx, d.vy, d.vz).times(dt))
if (d.leftMouseButtonPressed) {
if (root.firstPersonMode)
root.camera.pan(root.lookSpeed * d.dx * dt, d.firstPersonUp)
else
root.camera.pan(root.lookSpeed * d.dx * dt)
root.camera.tilt(root.lookSpeed * d.dy * dt)
} else if (d.rightMouseButtonPressed) {
if (root.firstPersonMode)
root.camera.panAboutViewCenter(root.lookSpeed * d.dx * dt, d.firstPersonUp)
else
root.camera.panAboutViewCenter(root.lookSpeed * d.dx * dt)
root.camera.tiltAboutViewCenter(root.orbitSpeed * d.dy * dt)
}
}
}
] // components
}
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