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Diffstat (limited to 'src/extras/defaults/qorbitcontrol.cpp')
| -rw-r--r-- | src/extras/defaults/qorbitcontrol.cpp | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/src/extras/defaults/qorbitcontrol.cpp b/src/extras/defaults/qorbitcontrol.cpp new file mode 100644 index 000000000..65810e1a0 --- /dev/null +++ b/src/extras/defaults/qorbitcontrol.cpp @@ -0,0 +1,320 @@ +/**************************************************************************** +** +** Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB). +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qorbitcontrol_p.h" +#include "qorbitcontrol.h" +#include <QtGlobal> +#include <Qt3DRender/QCamera> +#include <Qt3DInput/QAxis> +#include <Qt3DInput/QAxisInput> +#include <Qt3DInput/QAction> +#include <Qt3DInput/QActionInput> +#include <Qt3DInput/QLogicalDevice> +#include <Qt3DInput/QKeyboardDevice> +#include <Qt3DInput/QMouseDevice> +#include <Qt3DInput/QMouseEvent> +#include <Qt3DLogic/QFrameAction> + +QT_BEGIN_NAMESPACE + +namespace Qt3DExtras { + +/*! + * \class QOrbitControl::QOrbitControl + * \internal + */ + +QOrbitControlPrivate::QOrbitControlPrivate() + : Qt3DCore::QEntityPrivate() + , m_camera(Q_NULLPTR) + , m_leftMouseButtonAction(new Qt3DInput::QAction()) + , m_rightMouseButtonAction(new Qt3DInput::QAction()) + , m_altButtonAction(new Qt3DInput::QAction()) + , m_shiftButtonAction(new Qt3DInput::QAction()) + , m_rxAxis(new Qt3DInput::QAxis()) + , m_ryAxis(new Qt3DInput::QAxis()) + , m_txAxis(new Qt3DInput::QAxis()) + , m_tyAxis(new Qt3DInput::QAxis()) + , m_tzAxis(new Qt3DInput::QAxis()) + , m_leftMouseButtonInput(new Qt3DInput::QActionInput()) + , m_rightMouseButtonInput(new Qt3DInput::QActionInput()) + , m_altButtonInput(new Qt3DInput::QActionInput()) + , m_shiftButtonInput(new Qt3DInput::QActionInput()) + , m_mouseRxInput(new Qt3DInput::QAxisInput()) + , m_mouseRyInput(new Qt3DInput::QAxisInput()) + , m_keyboardTxPosInput(new Qt3DInput::QAxisInput()) + , m_keyboardTyPosInput(new Qt3DInput::QAxisInput()) + , m_keyboardTzPosInput(new Qt3DInput::QAxisInput()) + , m_keyboardTxNegInput(new Qt3DInput::QAxisInput()) + , m_keyboardTyNegInput(new Qt3DInput::QAxisInput()) + , m_keyboardTzNegInput(new Qt3DInput::QAxisInput()) + , m_keyboardDevice(new Qt3DInput::QKeyboardDevice()) + , m_mouseDevice(new Qt3DInput::QMouseDevice()) + , m_logicalDevice(new Qt3DInput::QLogicalDevice()) + , m_frameAction(new Qt3DLogic::QFrameAction()) + , m_linearSpeed(10.0f) + , m_lookSpeed(180.0f) + , m_zoomInLimit(2.0f) + , m_cameraUp(QVector3D(0.0f, 1.0f, 0.0f)) +{} + +void QOrbitControlPrivate::init() +{ + //// Actions + + // Left Mouse Button Action + m_leftMouseButtonInput->setButtons(QVariantList() << Qt::LeftButton); + m_leftMouseButtonInput->setSourceDevice(m_mouseDevice); + m_leftMouseButtonAction->addInput(m_leftMouseButtonInput); + + // Right Mouse Button Action + m_rightMouseButtonInput->setButtons(QVariantList() << Qt::RightButton); + m_rightMouseButtonInput->setSourceDevice(m_mouseDevice); + m_rightMouseButtonAction->addInput(m_rightMouseButtonInput); + + // Alt Button Action + m_altButtonInput->setButtons(QVariantList() << Qt::Key_Alt); + m_altButtonInput->setSourceDevice(m_keyboardDevice); + m_altButtonAction->addInput(m_altButtonInput); + + // Shift Button Action + m_shiftButtonInput->setButtons(QVariantList() << Qt::Key_Shift); + m_shiftButtonInput->setSourceDevice(m_keyboardDevice); + m_shiftButtonAction->addInput(m_shiftButtonInput); + + //// Axes + + // Mouse X + m_mouseRxInput->setAxis(Qt3DInput::QMouseDevice::X); + m_mouseRxInput->setSourceDevice(m_mouseDevice); + m_rxAxis->addInput(m_mouseRxInput); + + // Mouse Y + m_mouseRyInput->setAxis(Qt3DInput::QMouseDevice::Y); + m_mouseRyInput->setSourceDevice(m_mouseDevice); + m_ryAxis->addInput(m_mouseRyInput); + + // Keyboard Pos Tx + m_keyboardTxPosInput->setButtons(QVariantList() << Qt::Key_Right); + m_keyboardTxPosInput->setScale(1.0f); + m_keyboardTxPosInput->setSourceDevice(m_keyboardDevice); + m_txAxis->addInput(m_keyboardTxPosInput); + + // Keyboard Pos Tz + m_keyboardTzPosInput->setButtons(QVariantList() << Qt::Key_PageUp); + m_keyboardTzPosInput->setScale(1.0f); + m_keyboardTzPosInput->setSourceDevice(m_keyboardDevice); + m_tzAxis->addInput(m_keyboardTzPosInput); + + // Keyboard Pos Ty + m_keyboardTyPosInput->setButtons(QVariantList() << Qt::Key_Up); + m_keyboardTyPosInput->setScale(1.0f); + m_keyboardTyPosInput->setSourceDevice(m_keyboardDevice); + m_tyAxis->addInput(m_keyboardTyPosInput); + + // Keyboard Neg Tx + m_keyboardTxNegInput->setButtons(QVariantList() << Qt::Key_Left); + m_keyboardTxNegInput->setScale(-1.0f); + m_keyboardTxNegInput->setSourceDevice(m_keyboardDevice); + m_txAxis->addInput(m_keyboardTxNegInput); + + // Keyboard Neg Tz + m_keyboardTzNegInput->setButtons(QVariantList() << Qt::Key_PageDown); + m_keyboardTzNegInput->setScale(-1.0f); + m_keyboardTzNegInput->setSourceDevice(m_keyboardDevice); + m_tzAxis->addInput(m_keyboardTzNegInput); + + // Keyboard Neg Ty + m_keyboardTyNegInput->setButtons(QVariantList() << Qt::Key_Down); + m_keyboardTyNegInput->setScale(-1.0f); + m_keyboardTyNegInput->setSourceDevice(m_keyboardDevice); + m_tyAxis->addInput(m_keyboardTyNegInput); + + //// Logical Device + + m_logicalDevice->addAction(m_leftMouseButtonAction); + m_logicalDevice->addAction(m_rightMouseButtonAction); + m_logicalDevice->addAction(m_altButtonAction); + m_logicalDevice->addAction(m_shiftButtonAction); + m_logicalDevice->addAxis(m_rxAxis); + m_logicalDevice->addAxis(m_ryAxis); + m_logicalDevice->addAxis(m_txAxis); + m_logicalDevice->addAxis(m_tyAxis); + m_logicalDevice->addAxis(m_tzAxis); + + Q_Q(QOrbitControl); + //// FrameAction + + QObject::connect(m_frameAction, SIGNAL(triggered(float)), + q, SLOT(_q_onTriggered(float))); + + q->addComponent(m_frameAction); + q->addComponent(m_logicalDevice); +} + +float clampInputs(float input1, float input2) +{ + float axisValue = input1 + input2; + return (axisValue < -1) ? -1 : (axisValue > 1) ? 1 : axisValue; +} + +float zoomDistance(QVector3D firstPoint, QVector3D secondPoint) +{ + return (secondPoint - firstPoint).lengthSquared(); +} + +void QOrbitControlPrivate::_q_onTriggered(float dt) +{ + if (m_camera != Q_NULLPTR) { + // Mouse input + if (m_leftMouseButtonAction->isActive()) { + if (m_rightMouseButtonAction->isActive()) { + if ( zoomDistance(m_camera->position(), m_camera->viewCenter()) > m_zoomInLimit * m_zoomInLimit) { + // Dolly up to limit + m_camera->translate(QVector3D(0, 0, m_ryAxis->value()), m_camera->DontTranslateViewCenter); + } else { + m_camera->translate(QVector3D(0, 0, -0.5), m_camera->DontTranslateViewCenter); + } + } else { + // Translate + m_camera->translate(QVector3D(clampInputs(m_rxAxis->value(), m_txAxis->value()) * m_linearSpeed, + clampInputs(m_ryAxis->value(), m_tyAxis->value()) * m_linearSpeed, + 0) * dt); + return; + } + } + else if (m_rightMouseButtonAction->isActive()) { + // Orbit + m_camera->panAboutViewCenter((m_rxAxis->value() * m_lookSpeed) * dt, m_cameraUp); + m_camera->tiltAboutViewCenter((m_ryAxis->value() * m_lookSpeed) * dt); + } + // Keyboard Input + if (m_altButtonAction->isActive()) { + // Orbit + m_camera->panAboutViewCenter((m_txAxis->value() * m_lookSpeed) * dt, m_cameraUp); + m_camera->tiltAboutViewCenter((m_tyAxis->value() * m_lookSpeed) * dt); + } else if (m_shiftButtonAction->isActive()) { + if (zoomDistance(m_camera->position(), m_camera->viewCenter()) > m_zoomInLimit * m_zoomInLimit) { + // Dolly + m_camera->translate(QVector3D(0, 0, m_tyAxis->value()), m_camera->DontTranslateViewCenter); + } else { + m_camera->translate(QVector3D(0, 0, -0.5), m_camera->DontTranslateViewCenter); + } + } else { + // Translate + m_camera->translate(QVector3D(clampInputs(m_leftMouseButtonAction->isActive() ? m_rxAxis->value() : 0, m_txAxis->value()) * m_linearSpeed, + clampInputs(m_leftMouseButtonAction->isActive() ? m_ryAxis->value() : 0, m_tyAxis->value()) * m_linearSpeed, + m_tzAxis->value() * m_linearSpeed) * dt); + } + } +} + +QOrbitControl::QOrbitControl(Qt3DCore::QNode *parent) + : Qt3DCore::QEntity(*new QOrbitControlPrivate, parent) +{ + Q_D(QOrbitControl); + d->init(); +} + +QOrbitControl::~QOrbitControl() +{ +} + +Qt3DRender::QCamera *QOrbitControl::camera() const +{ + Q_D(const QOrbitControl); + return d->m_camera; +} + +float QOrbitControl::linearSpeed() const +{ + Q_D(const QOrbitControl); + return d->m_linearSpeed; +} + +float QOrbitControl::lookSpeed() const +{ + Q_D(const QOrbitControl); + return d->m_lookSpeed; +} + +float QOrbitControl::zoomInLimit() const +{ + Q_D(const QOrbitControl); + return d->m_zoomInLimit; +} + +void QOrbitControl::setCamera(Qt3DRender::QCamera *camera) +{ + Q_D(QOrbitControl); + if (d->m_camera != camera) { + d->m_camera = camera; + emit cameraChanged(); + } +} + +void QOrbitControl::setLinearSpeed(float linearSpeed) +{ + Q_D(QOrbitControl); + if (d->m_linearSpeed != linearSpeed) { + d->m_linearSpeed = linearSpeed; + emit linearSpeedChanged(); + } +} + +void QOrbitControl::setLookSpeed(float lookSpeed) +{ + Q_D(QOrbitControl); + if (d->m_lookSpeed != lookSpeed) { + d->m_lookSpeed = lookSpeed; + emit lookSpeedChanged(); + } +} + +void QOrbitControl::setZoomInLimit(float zoomInLimit) +{ + Q_D(QOrbitControl); + if (d->m_zoomInLimit != zoomInLimit) { + d->m_zoomInLimit = zoomInLimit; + emit zoomInLimitChanged(); + } +} + +} // Qt3DExtras + +QT_END_NAMESPACE + +#include "moc_qorbitcontrol.cpp" |