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Diffstat (limited to 'src/core/render/frontend/camera.h')
| -rw-r--r-- | src/core/render/frontend/camera.h | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/src/core/render/frontend/camera.h b/src/core/render/frontend/camera.h new file mode 100644 index 000000000..9c6f06acf --- /dev/null +++ b/src/core/render/frontend/camera.h @@ -0,0 +1,185 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt3D module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 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 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef CAMERA_H +#define CAMERA_H + +#include "component.h" +#include <qt3dcore_global.h> + +#include <QMatrix4x4> +#include <QQuaternion> +#include <QVector3D> + +namespace Qt3D { + +class CameraPrivate; + +class QT3DCORESHARED_EXPORT Camera : public Component +{ + Q_OBJECT + + // TODO Move view matrix out of the camera and use Transform component (once it exists) + Q_PROPERTY(QVector3D position READ position WRITE setPosition) + Q_PROPERTY(QVector3D upVector READ upVector WRITE setUpVector) + Q_PROPERTY(QVector3D viewCenter READ viewCenter WRITE setViewCenter) + + Q_PROPERTY(ProjectionType projectionType READ projectionType WRITE setProjectionType NOTIFY projectionTypeChanged) + Q_PROPERTY(float nearPlane READ nearPlane WRITE setNearPlane NOTIFY nearPlaneChanged) + Q_PROPERTY(float farPlane READ farPlane WRITE setFarPlane NOTIFY farPlaneChanged) + + Q_PROPERTY(float fieldOfView READ fieldOfView WRITE setFieldOfView NOTIFY fieldOfViewChanged) + Q_PROPERTY(float aspectRatio READ aspectRatio WRITE setAspectRatio NOTIFY aspectRatioChanged) + + Q_PROPERTY(float left READ left WRITE setLeft NOTIFY leftChanged) + Q_PROPERTY(float right READ right WRITE setRight NOTIFY rightChanged) + Q_PROPERTY(float bottom READ bottom WRITE setBottom NOTIFY bottomChanged) + Q_PROPERTY(float top READ top WRITE setTop NOTIFY topChanged) + + Q_ENUMS( ProjectionType ) + +public: + explicit Camera(Node *parent = 0); + + enum ProjectionType { + OrthogonalProjection, + PerspectiveProjection + }; + + enum CameraTranslationOption { + TranslateViewCenter, + DontTranslateViewCenter + }; + + void setViewMatrix(const QMatrix4x4& m); + + QVector3D position() const; + QVector3D upVector() const; + QVector3D viewCenter() const; + + QVector3D viewVector() const; + + void setProjectionType(ProjectionType projectioType); + ProjectionType projectionType() const; + + void setNearPlane(float nearPlane); + float nearPlane() const; + + void setFarPlane(float nearPlane); + float farPlane() const; + + void setFieldOfView(float fieldOfView); + float fieldOfView() const; + + void setAspectRatio(float aspectRatio); + float aspectRatio() const; + + void setLeft(float left); + float left() const; + + void setRight(float right); + float right() const; + + void setBottom(float bottom); + float bottom() const; + + void setTop(float top); + float top() const; + + QMatrix4x4 viewMatrix() const; + QMatrix4x4 projectionMatrix() const; + QMatrix4x4 viewProjectionMatrix() const; + + QQuaternion tiltRotation(float angle) const; + QQuaternion panRotation(float angle) const; + QQuaternion rollRotation(float angle) const; + +public slots: + void setOrthographicProjection(float left, float right, + float bottom, float top, + float nearPlane, float farPlane); + + void setPerspectiveProjection(float fieldOfView, float aspect, + float nearPlane, float farPlane); + + // TODO These slots should likely be on a modifier one layer up + void setPosition( const QVector3D& position ); + void setUpVector( const QVector3D& upVector ); + void setViewCenter( const QVector3D& viewCenter ); + + // Translate relative to camera orientation axes + void translate( const QVector3D& vLocal, CameraTranslationOption option = TranslateViewCenter ); + + // Translate relative to world axes + void translateWorld( const QVector3D& vWorld, CameraTranslationOption option = TranslateViewCenter ); + + void tilt( const float& angle ); + void pan( const float& angle ); + void roll( const float& angle ); + + void tiltAboutViewCenter( const float& angle ); + void panAboutViewCenter( const float& angle ); + void rollAboutViewCenter( const float& angle ); + + void rotate( const QQuaternion& q ); + void rotateAboutViewCenter( const QQuaternion& q ); + +signals: + void projectionTypeChanged(); + void nearPlaneChanged(); + void farPlaneChanged(); + void fieldOfViewChanged(); + void aspectRatioChanged(); + void leftChanged(); + void rightChanged(); + void bottomChanged(); + void topChanged(); + +protected: + Q_DECLARE_PRIVATE(Camera) + +private: + CameraPrivate* d_ptr; +}; + +} + +#endif // CAMERA_H |