diff options
Diffstat (limited to 'src/gui/math3d/qquaternion.h')
-rw-r--r-- | src/gui/math3d/qquaternion.h | 60 |
1 files changed, 27 insertions, 33 deletions
diff --git a/src/gui/math3d/qquaternion.h b/src/gui/math3d/qquaternion.h index 12576d2..f243c42 100644 --- a/src/gui/math3d/qquaternion.h +++ b/src/gui/math3d/qquaternion.h @@ -133,11 +133,7 @@ public: (const QQuaternion& q1, const QQuaternion& q2, qreal t); private: - float wp, xp, yp, zp; - - friend class QMatrix4x4; - - QQuaternion(float scalar, float xpos, float ypos, float zpos, int dummy); + qreal wp, xp, yp, zp; }; inline QQuaternion::QQuaternion() : wp(1.0f), xp(0.0f), yp(0.0f), zp(0.0f) {} @@ -145,8 +141,6 @@ inline QQuaternion::QQuaternion() : wp(1.0f), xp(0.0f), yp(0.0f), zp(0.0f) {} inline QQuaternion::QQuaternion(qreal scalar, qreal xpos, qreal ypos, qreal zpos) : wp(scalar), xp(xpos), yp(ypos), zp(zpos) {} -inline QQuaternion::QQuaternion(float scalar, float xpos, float ypos, float zpos, int) : wp(scalar), xp(xpos), yp(ypos), zp(zpos) {} - inline bool QQuaternion::isNull() const { return qIsNull(xp) && qIsNull(yp) && qIsNull(zp) && qIsNull(wp); @@ -169,7 +163,7 @@ inline void QQuaternion::setScalar(qreal scalar) { wp = scalar; } inline QQuaternion QQuaternion::conjugate() const { - return QQuaternion(wp, -xp, -yp, -zp, 1); + return QQuaternion(wp, -xp, -yp, -zp); } inline QQuaternion &QQuaternion::operator+=(const QQuaternion &quaternion) @@ -201,18 +195,18 @@ inline QQuaternion &QQuaternion::operator*=(qreal factor) inline const QQuaternion operator*(const QQuaternion &q1, const QQuaternion& q2) { - float ww = (q1.zp + q1.xp) * (q2.xp + q2.yp); - float yy = (q1.wp - q1.yp) * (q2.wp + q2.zp); - float zz = (q1.wp + q1.yp) * (q2.wp - q2.zp); - float xx = ww + yy + zz; - float qq = 0.5 * (xx + (q1.zp - q1.xp) * (q2.xp - q2.yp)); - - float w = qq - ww + (q1.zp - q1.yp) * (q2.yp - q2.zp); - float x = qq - xx + (q1.xp + q1.wp) * (q2.xp + q2.wp); - float y = qq - yy + (q1.wp - q1.xp) * (q2.yp + q2.zp); - float z = qq - zz + (q1.zp + q1.yp) * (q2.wp - q2.xp); - - return QQuaternion(w, x, y, z, 1); + 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) @@ -242,32 +236,32 @@ inline bool operator!=(const QQuaternion &q1, const QQuaternion &q2) 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, 1); + 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, 1); + 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, 1); + 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, 1); + 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, 1); + 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, 1); + return QQuaternion(quaternion.wp / divisor, quaternion.xp / divisor, quaternion.yp / divisor, quaternion.zp / divisor); } inline bool qFuzzyCompare(const QQuaternion& q1, const QQuaternion& q2) @@ -281,18 +275,18 @@ inline bool qFuzzyCompare(const QQuaternion& q1, const QQuaternion& q2) #ifndef QT_NO_VECTOR3D inline QQuaternion::QQuaternion(qreal scalar, const QVector3D& vector) - : wp(scalar), xp(vector.xp), yp(vector.yp), zp(vector.zp) {} + : wp(scalar), xp(vector.x()), yp(vector.y()), zp(vector.z()) {} inline void QQuaternion::setVector(const QVector3D& vector) { - xp = vector.xp; - yp = vector.yp; - zp = vector.zp; + xp = vector.x(); + yp = vector.y(); + zp = vector.z(); } inline QVector3D QQuaternion::vector() const { - return QVector3D(xp, yp, zp, 1); + return QVector3D(xp, yp, zp); } #endif @@ -307,11 +301,11 @@ inline void QQuaternion::setVector(qreal x, qreal y, qreal z) #ifndef QT_NO_VECTOR4D inline QQuaternion::QQuaternion(const QVector4D& vector) - : wp(vector.wp), xp(vector.xp), yp(vector.yp), zp(vector.zp) {} + : wp(vector.w()), xp(vector.x()), yp(vector.y()), zp(vector.z()) {} inline QVector4D QQuaternion::toVector4D() const { - return QVector4D(xp, yp, zp, wp, 1); + return QVector4D(xp, yp, zp, wp); } #endif |