qquaternion.h File Reference

#include <QtGui/qvector3d.h>
#include <QtGui/qvector4d.h>

Go to the source code of this file.

Classes
class	QQuaternion
Functions
	Q_DECLARE_TYPEINFO (QQuaternion, Q_MOVABLE_TYPE)
const QQuaternion	operator* (const QQuaternion &q1, const QQuaternion &q2)
bool	operator== (const QQuaternion &q1, const QQuaternion &q2)
bool	operator!= (const QQuaternion &q1, const QQuaternion &q2)
const QQuaternion	operator+ (const QQuaternion &q1, const QQuaternion &q2)
const QQuaternion	operator- (const QQuaternion &q1, const QQuaternion &q2)
const QQuaternion	operator* (qreal factor, const QQuaternion &quaternion)
const QQuaternion	operator* (const QQuaternion &quaternion, qreal factor)
const QQuaternion	operator- (const QQuaternion &quaternion)
const QQuaternion	operator/ (const QQuaternion &quaternion, qreal divisor)
bool	qFuzzyCompare (const QQuaternion &q1, const QQuaternion &q2)
Q_GUI_EXPORT QDebug	operator<< (QDebug dbg, const QQuaternion &q)
Q_GUI_EXPORT QDataStream &	operator<< (QDataStream &, const QQuaternion &)
Q_GUI_EXPORT QDataStream &	operator>> (QDataStream &, QQuaternion &)

---

Function Documentation

Q_DECLARE_TYPEINFO	(	QQuaternion	,
		Q_MOVABLE_TYPE
	)

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const QQuaternion operator*	(	const QQuaternion &	q1,
		const QQuaternion &	q2
	)		[inline]

Definition at line 198 of file qquaternion.h.

{
    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);
}

bool operator==	(	const QQuaternion &	q1,
		const QQuaternion &	q2
	)		[inline]

Definition at line 229 of file qquaternion.h.

{
    return q1.xp == q2.xp && q1.yp == q2.yp && q1.zp == q2.zp && q1.wp == q2.wp;
}

bool operator!=	(	const QQuaternion &	q1,
		const QQuaternion &	q2
	)		[inline]

Definition at line 234 of file qquaternion.h.

{
    return q1.xp != q2.xp || q1.yp != q2.yp || q1.zp != q2.zp || q1.wp != q2.wp;
}

const QQuaternion operator+	(	const QQuaternion &	q1,
		const QQuaternion &	q2
	)		[inline]

Definition at line 239 of file qquaternion.h.

{
    return QQuaternion(q1.wp + q2.wp, q1.xp + q2.xp, q1.yp + q2.yp, q1.zp + q2.zp);
}

const QQuaternion operator-	(	const QQuaternion &	q1,
		const QQuaternion &	q2
	)		[inline]

Definition at line 244 of file qquaternion.h.

{
    return QQuaternion(q1.wp - q2.wp, q1.xp - q2.xp, q1.yp - q2.yp, q1.zp - q2.zp);
}

const QQuaternion operator*	(	qreal	factor,
		const QQuaternion &	quaternion
	)		[inline]

Definition at line 249 of file qquaternion.h.

{
    return QQuaternion(quaternion.wp * factor, quaternion.xp * factor, quaternion.yp * factor, quaternion.zp * factor);
}

const QQuaternion operator*	(	const QQuaternion &	quaternion,
		qreal	factor
	)		[inline]

Definition at line 254 of file qquaternion.h.

{
    return QQuaternion(quaternion.wp * factor, quaternion.xp * factor, quaternion.yp * factor, quaternion.zp * factor);
}

const QQuaternion operator-

(

const QQuaternion &

quaternion

)

[inline]

Definition at line 259 of file qquaternion.h.

{
    return QQuaternion(-quaternion.wp, -quaternion.xp, -quaternion.yp, -quaternion.zp);
}

const QQuaternion operator/	(	const QQuaternion &	quaternion,
		qreal	divisor
	)		[inline]

Definition at line 264 of file qquaternion.h.

{
    return QQuaternion(quaternion.wp / divisor, quaternion.xp / divisor, quaternion.yp / divisor, quaternion.zp / divisor);
}

bool qFuzzyCompare	(	const QQuaternion &	q1,
		const QQuaternion &	q2
	)		[inline]

Search for all occurrences

Definition at line 269 of file qquaternion.h.

{
    return qFuzzyCompare(q1.xp, q2.xp) &&
           qFuzzyCompare(q1.yp, q2.yp) &&
           qFuzzyCompare(q1.zp, q2.zp) &&
           qFuzzyCompare(q1.wp, q2.wp);
}

Q_GUI_EXPORT QDebug operator<<	(	QDebug	dbg,
		const QQuaternion &	q
	)

Q_GUI_EXPORT QDataStream& operator<<	(	QDataStream &	,
		const QQuaternion &
	)

Q_GUI_EXPORT QDataStream& operator>>	(	QDataStream &	,
		QQuaternion &
	)