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45 #include <QtCore/qpoint.h>
46 #include <QtCore/qmetatype.h>
57 #ifndef QT_NO_VECTOR3D
59 class Q_GUI_EXPORT QVector3D
63 QVector3D(float xpos, float ypos, float zpos);
64 explicit QVector3D(const QPoint& point);
65 explicit QVector3D(const QPointF& point);
66 #ifndef QT_NO_VECTOR2D
67 QVector3D(const QVector2D& vector);
68 QVector3D(const QVector2D& vector, float zpos);
70 #ifndef QT_NO_VECTOR4D
71 explicit QVector3D(const QVector4D& vector);
85 float lengthSquared() const;
87 QVector3D normalized() const;
90 QVector3D &operator+=(const QVector3D &vector);
91 QVector3D &operator-=(const QVector3D &vector);
92 QVector3D &operator*=(float factor);
93 QVector3D &operator*=(const QVector3D& vector);
94 QVector3D &operator/=(float divisor);
96 static float dotProduct(const QVector3D& v1, const QVector3D& v2);
97 static QVector3D crossProduct(const QVector3D& v1, const QVector3D& v2);
98 static QVector3D normal(const QVector3D& v1, const QVector3D& v2);
99 static QVector3D normal
100 (const QVector3D& v1, const QVector3D& v2, const QVector3D& v3);
102 float distanceToPlane(const QVector3D& plane, const QVector3D& normal) const;
103 float distanceToPlane(const QVector3D& plane1, const QVector3D& plane2, const QVector3D& plane3) const;
104 float distanceToLine(const QVector3D& point, const QVector3D& direction) const;
106 friend inline bool operator==(const QVector3D &v1, const QVector3D &v2);
107 friend inline bool operator!=(const QVector3D &v1, const QVector3D &v2);
108 friend inline const QVector3D operator+(const QVector3D &v1, const QVector3D &v2);
109 friend inline const QVector3D operator-(const QVector3D &v1, const QVector3D &v2);
110 friend inline const QVector3D operator*(float factor, const QVector3D &vector);
111 friend inline const QVector3D operator*(const QVector3D &vector, float factor);
112 friend const QVector3D operator*(const QVector3D &v1, const QVector3D& v2);
113 friend inline const QVector3D operator-(const QVector3D &vector);
114 friend inline const QVector3D operator/(const QVector3D &vector, float divisor);
116 friend inline bool qFuzzyCompare(const QVector3D& v1, const QVector3D& v2);
118 #ifndef QT_NO_VECTOR2D
119 QVector2D toVector2D() const;
121 #ifndef QT_NO_VECTOR4D
122 QVector4D toVector4D() const;
125 QPoint toPoint() const;
126 QPointF toPointF() const;
128 operator QVariant() const;
133 friend class QVector2D;
134 friend class QVector4D;
135 #ifndef QT_NO_MATRIX4X4
136 friend QVector3D operator*(const QVector3D& vector, const QMatrix4x4& matrix);
137 friend QVector3D operator*(const QMatrix4x4& matrix, const QVector3D& vector);
141 Q_DECLARE_TYPEINFO(QVector3D, Q_MOVABLE_TYPE);
143 inline QVector3D::QVector3D() : xp(0.0f), yp(0.0f), zp(0.0f) {}
145 inline QVector3D::QVector3D(float xpos, float ypos, float zpos) : xp(xpos), yp(ypos), zp(zpos) {}
147 inline QVector3D::QVector3D(const QPoint& point) : xp(point.x()), yp(point.y()), zp(0.0f) {}
149 inline QVector3D::QVector3D(const QPointF& point) : xp(point.x()), yp(point.y()), zp(0.0f) {}
151 inline bool QVector3D::isNull() const
153 return qIsNull(xp) && qIsNull(yp) && qIsNull(zp);
156 inline float QVector3D::x() const { return xp; }
157 inline float QVector3D::y() const { return yp; }
158 inline float QVector3D::z() const { return zp; }
160 inline void QVector3D::setX(float aX) { xp = aX; }
161 inline void QVector3D::setY(float aY) { yp = aY; }
162 inline void QVector3D::setZ(float aZ) { zp = aZ; }
164 inline QVector3D &QVector3D::operator+=(const QVector3D &vector)
172 inline QVector3D &QVector3D::operator-=(const QVector3D &vector)
180 inline QVector3D &QVector3D::operator*=(float factor)
188 inline QVector3D &QVector3D::operator*=(const QVector3D& vector)
196 inline QVector3D &QVector3D::operator/=(float divisor)
204 inline bool operator==(const QVector3D &v1, const QVector3D &v2)
206 return v1.xp == v2.xp && v1.yp == v2.yp && v1.zp == v2.zp;
209 inline bool operator!=(const QVector3D &v1, const QVector3D &v2)
211 return v1.xp != v2.xp || v1.yp != v2.yp || v1.zp != v2.zp;
214 inline const QVector3D operator+(const QVector3D &v1, const QVector3D &v2)
216 return QVector3D(v1.xp + v2.xp, v1.yp + v2.yp, v1.zp + v2.zp);
219 inline const QVector3D operator-(const QVector3D &v1, const QVector3D &v2)
221 return QVector3D(v1.xp - v2.xp, v1.yp - v2.yp, v1.zp - v2.zp);
224 inline const QVector3D operator*(float factor, const QVector3D &vector)
226 return QVector3D(vector.xp * factor, vector.yp * factor, vector.zp * factor);
229 inline const QVector3D operator*(const QVector3D &vector, float factor)
231 return QVector3D(vector.xp * factor, vector.yp * factor, vector.zp * factor);
234 inline const QVector3D operator*(const QVector3D &v1, const QVector3D& v2)
236 return QVector3D(v1.xp * v2.xp, v1.yp * v2.yp, v1.zp * v2.zp);
239 inline const QVector3D operator-(const QVector3D &vector)
241 return QVector3D(-vector.xp, -vector.yp, -vector.zp);
244 inline const QVector3D operator/(const QVector3D &vector, float divisor)
246 return QVector3D(vector.xp / divisor, vector.yp / divisor, vector.zp / divisor);
249 inline bool qFuzzyCompare(const QVector3D& v1, const QVector3D& v2)
251 return qFuzzyCompare(v1.xp, v2.xp) &&
252 qFuzzyCompare(v1.yp, v2.yp) &&
253 qFuzzyCompare(v1.zp, v2.zp);
256 inline QPoint QVector3D::toPoint() const
258 return QPoint(qRound(xp), qRound(yp));
261 inline QPointF QVector3D::toPointF() const
263 return QPointF(qreal(xp), qreal(yp));
266 #ifndef QT_NO_DEBUG_STREAM
267 Q_GUI_EXPORT QDebug operator<<(QDebug dbg, const QVector3D &vector);
270 #ifndef QT_NO_DATASTREAM
271 Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QVector3D &);
272 Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QVector3D &);