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Diffstat (limited to 'qtinterface/qt4/Qt/qquaternion.h')
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diff --git a/qtinterface/qt4/Qt/qquaternion.h b/qtinterface/qt4/Qt/qquaternion.h new file mode 100644 index 0000000..ed7b191 --- /dev/null +++ b/qtinterface/qt4/Qt/qquaternion.h @@ -0,0 +1,328 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial Usage +** Licensees holding valid Qt Commercial licenses may use this file in +** accordance with the Qt Commercial License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Nokia. +** +** 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, Nokia gives you certain additional +** rights. These rights are described in the Nokia 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QQUATERNION_H +#define QQUATERNION_H + +#include <QtGui/qvector3d.h> +#include <QtGui/qvector4d.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Gui) + +#ifndef QT_NO_QUATERNION + +class QMatrix4x4; +class QVariant; + +class Q_GUI_EXPORT QQuaternion +{ +public: + QQuaternion(); + QQuaternion(qreal scalar, qreal xpos, qreal ypos, qreal zpos); +#ifndef QT_NO_VECTOR3D + QQuaternion(qreal scalar, const QVector3D& vector); +#endif +#ifndef QT_NO_VECTOR4D + explicit QQuaternion(const QVector4D& vector); +#endif + + bool isNull() const; + bool isIdentity() const; + +#ifndef QT_NO_VECTOR3D + QVector3D vector() const; + void setVector(const QVector3D& vector); +#endif + void setVector(qreal x, qreal y, qreal z); + + qreal x() const; + qreal y() const; + qreal z() const; + qreal scalar() const; + + void setX(qreal x); + void setY(qreal y); + void setZ(qreal z); + void setScalar(qreal scalar); + + qreal length() const; + qreal lengthSquared() const; + + QQuaternion normalized() const; + void normalize(); + + QQuaternion conjugate() const; + + QVector3D rotatedVector(const QVector3D& vector) const; + + QQuaternion &operator+=(const QQuaternion &quaternion); + QQuaternion &operator-=(const QQuaternion &quaternion); + QQuaternion &operator*=(qreal factor); + QQuaternion &operator*=(const QQuaternion &quaternion); + QQuaternion &operator/=(qreal divisor); + + friend inline bool operator==(const QQuaternion &q1, const QQuaternion &q2); + friend inline bool operator!=(const QQuaternion &q1, const QQuaternion &q2); + friend inline const QQuaternion operator+(const QQuaternion &q1, const QQuaternion &q2); + friend inline const QQuaternion operator-(const QQuaternion &q1, const QQuaternion &q2); + friend inline const QQuaternion operator*(qreal factor, const QQuaternion &quaternion); + friend inline const QQuaternion operator*(const QQuaternion &quaternion, qreal factor); + friend inline const QQuaternion operator*(const QQuaternion &q1, const QQuaternion& q2); + friend inline const QQuaternion operator-(const QQuaternion &quaternion); + friend inline const QQuaternion operator/(const QQuaternion &quaternion, qreal divisor); + + friend inline bool qFuzzyCompare(const QQuaternion& q1, const QQuaternion& q2); + +#ifndef QT_NO_VECTOR4D + QVector4D toVector4D() const; +#endif + + operator QVariant() const; + +#ifndef QT_NO_VECTOR3D + static QQuaternion fromAxisAndAngle(const QVector3D& axis, qreal angle); +#endif + static QQuaternion fromAxisAndAngle + (qreal x, qreal y, qreal z, qreal angle); + + static QQuaternion slerp + (const QQuaternion& q1, const QQuaternion& q2, qreal t); + static QQuaternion nlerp + (const QQuaternion& q1, const QQuaternion& q2, qreal t); + +private: + qreal wp, xp, yp, zp; +}; + +inline QQuaternion::QQuaternion() : wp(1.0f), xp(0.0f), yp(0.0f), zp(0.0f) {} + +inline QQuaternion::QQuaternion(qreal aScalar, qreal xpos, qreal ypos, qreal zpos) : wp(aScalar), xp(xpos), yp(ypos), zp(zpos) {} + + +inline bool QQuaternion::isNull() const +{ + return qIsNull(xp) && qIsNull(yp) && qIsNull(zp) && qIsNull(wp); +} + +inline bool QQuaternion::isIdentity() const +{ + return qIsNull(xp) && qIsNull(yp) && qIsNull(zp) && wp == 1.0f; +} + +inline qreal QQuaternion::x() const { return qreal(xp); } +inline qreal QQuaternion::y() const { return qreal(yp); } +inline qreal QQuaternion::z() const { return qreal(zp); } +inline qreal QQuaternion::scalar() const { return qreal(wp); } + +inline void QQuaternion::setX(qreal aX) { xp = aX; } +inline void QQuaternion::setY(qreal aY) { yp = aY; } +inline void QQuaternion::setZ(qreal aZ) { zp = aZ; } +inline void QQuaternion::setScalar(qreal aScalar) { wp = aScalar; } + +inline QQuaternion QQuaternion::conjugate() const +{ + return QQuaternion(wp, -xp, -yp, -zp); +} + +inline QQuaternion &QQuaternion::operator+=(const QQuaternion &quaternion) +{ + xp += quaternion.xp; + yp += quaternion.yp; + zp += quaternion.zp; + wp += quaternion.wp; + return *this; +} + +inline QQuaternion &QQuaternion::operator-=(const QQuaternion &quaternion) +{ + xp -= quaternion.xp; + yp -= quaternion.yp; + zp -= quaternion.zp; + wp -= quaternion.wp; + return *this; +} + +inline QQuaternion &QQuaternion::operator*=(qreal factor) +{ + xp *= factor; + yp *= factor; + zp *= factor; + wp *= factor; + return *this; +} + +inline const QQuaternion operator*(const QQuaternion &q1, const QQuaternion& q2) +{ + qreal ww = (q1.zp + q1.xp) * (q2.xp + q2.yp); + qreal yy = (q1.wp - q1.yp) * (q2.wp + q2.zp); + qreal zz = (q1.wp + q1.yp) * (q2.wp - q2.zp); + qreal xx = ww + yy + zz; + qreal qq = 0.5 * (xx + (q1.zp - q1.xp) * (q2.xp - q2.yp)); + + qreal w = qq - ww + (q1.zp - q1.yp) * (q2.yp - q2.zp); + qreal x = qq - xx + (q1.xp + q1.wp) * (q2.xp + q2.wp); + qreal y = qq - yy + (q1.wp - q1.xp) * (q2.yp + q2.zp); + qreal z = qq - zz + (q1.zp + q1.yp) * (q2.wp - q2.xp); + + return QQuaternion(w, x, y, z); +} + +inline QQuaternion &QQuaternion::operator*=(const QQuaternion &quaternion) +{ + *this = *this * quaternion; + return *this; +} + +inline QQuaternion &QQuaternion::operator/=(qreal divisor) +{ + xp /= divisor; + yp /= divisor; + zp /= divisor; + wp /= divisor; + return *this; +} + +inline bool operator==(const QQuaternion &q1, const QQuaternion &q2) +{ + return q1.xp == q2.xp && q1.yp == q2.yp && q1.zp == q2.zp && q1.wp == q2.wp; +} + +inline bool operator!=(const QQuaternion &q1, const QQuaternion &q2) +{ + return q1.xp != q2.xp || q1.yp != q2.yp || q1.zp != q2.zp || q1.wp != q2.wp; +} + +inline const QQuaternion operator+(const QQuaternion &q1, const QQuaternion &q2) +{ + return QQuaternion(q1.wp + q2.wp, q1.xp + q2.xp, q1.yp + q2.yp, q1.zp + q2.zp); +} + +inline const QQuaternion operator-(const QQuaternion &q1, const QQuaternion &q2) +{ + return QQuaternion(q1.wp - q2.wp, q1.xp - q2.xp, q1.yp - q2.yp, q1.zp - q2.zp); +} + +inline const QQuaternion operator*(qreal factor, const QQuaternion &quaternion) +{ + return QQuaternion(quaternion.wp * factor, quaternion.xp * factor, quaternion.yp * factor, quaternion.zp * factor); +} + +inline const QQuaternion operator*(const QQuaternion &quaternion, qreal factor) +{ + return QQuaternion(quaternion.wp * factor, quaternion.xp * factor, quaternion.yp * factor, quaternion.zp * factor); +} + +inline const QQuaternion operator-(const QQuaternion &quaternion) +{ + return QQuaternion(-quaternion.wp, -quaternion.xp, -quaternion.yp, -quaternion.zp); +} + +inline const QQuaternion operator/(const QQuaternion &quaternion, qreal divisor) +{ + return QQuaternion(quaternion.wp / divisor, quaternion.xp / divisor, quaternion.yp / divisor, quaternion.zp / divisor); +} + +inline bool qFuzzyCompare(const QQuaternion& q1, const QQuaternion& q2) +{ + return qFuzzyCompare(q1.xp, q2.xp) && + qFuzzyCompare(q1.yp, q2.yp) && + qFuzzyCompare(q1.zp, q2.zp) && + qFuzzyCompare(q1.wp, q2.wp); +} + +#ifndef QT_NO_VECTOR3D + +inline QQuaternion::QQuaternion(qreal aScalar, const QVector3D& aVector) + : wp(aScalar), xp(aVector.x()), yp(aVector.y()), zp(aVector.z()) {} + +inline void QQuaternion::setVector(const QVector3D& aVector) +{ + xp = aVector.x(); + yp = aVector.y(); + zp = aVector.z(); +} + +inline QVector3D QQuaternion::vector() const +{ + return QVector3D(xp, yp, zp); +} + +#endif + +inline void QQuaternion::setVector(qreal aX, qreal aY, qreal aZ) +{ + xp = aX; + yp = aY; + zp = aZ; +} + +#ifndef QT_NO_VECTOR4D + +inline QQuaternion::QQuaternion(const QVector4D& aVector) + : wp(aVector.w()), xp(aVector.x()), yp(aVector.y()), zp(aVector.z()) {} + +inline QVector4D QQuaternion::toVector4D() const +{ + return QVector4D(xp, yp, zp, wp); +} + +#endif + +#ifndef QT_NO_DEBUG_STREAM +Q_GUI_EXPORT QDebug operator<<(QDebug dbg, const QQuaternion &q); +#endif + +#ifndef QT_NO_DATASTREAM +Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QQuaternion &); +Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QQuaternion &); +#endif + +#endif + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |