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41
42#ifndef QVECTOR3D_H
43#define QVECTOR3D_H
44
45#include <QtCore/qpoint.h>
46#include <QtCore/qmetatype.h>
47
48QT_BEGIN_HEADER
49
50QT_BEGIN_NAMESPACE
51
52QT_MODULE(Gui)
53
54class QMatrix4x4;
55class QVector2D;
56class QVector4D;
57
58#ifndef QT_NO_VECTOR3D
59
60class Q_GUI_EXPORT QVector3D
61{
62public:
63 QVector3D();
64 QVector3D(qreal xpos, qreal ypos, qreal zpos);
65 explicit QVector3D(const QPoint& point);
66 explicit QVector3D(const QPointF& point);
67#ifndef QT_NO_VECTOR2D
68 QVector3D(const QVector2D& vector);
69 QVector3D(const QVector2D& vector, qreal zpos);
70#endif
71#ifndef QT_NO_VECTOR4D
72 explicit QVector3D(const QVector4D& vector);
73#endif
74
75 bool isNull() const;
76
77 qreal x() const;
78 qreal y() const;
79 qreal z() const;
80
81 void setX(qreal x);
82 void setY(qreal y);
83 void setZ(qreal z);
84
85 qreal length() const;
86 qreal lengthSquared() const;
87
88 QVector3D normalized() const;
89 void normalize();
90
91 QVector3D &operator+=(const QVector3D &vector);
92 QVector3D &operator-=(const QVector3D &vector);
93 QVector3D &operator*=(qreal factor);
94 QVector3D &operator*=(const QVector3D& vector);
95 QVector3D &operator/=(qreal divisor);
96
97 static qreal dotProduct(const QVector3D& v1, const QVector3D& v2);
98 static QVector3D crossProduct(const QVector3D& v1, const QVector3D& v2);
99 static QVector3D normal(const QVector3D& v1, const QVector3D& v2);
100 static QVector3D normal
101 (const QVector3D& v1, const QVector3D& v2, const QVector3D& v3);
102
103 qreal distanceToPlane(const QVector3D& plane, const QVector3D& normal) const;
104 qreal distanceToPlane(const QVector3D& plane1, const QVector3D& plane2, const QVector3D& plane3) const;
105 qreal distanceToLine(const QVector3D& point, const QVector3D& direction) const;
106
107 friend inline bool operator==(const QVector3D &v1, const QVector3D &v2);
108 friend inline bool 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-(const QVector3D &v1, const QVector3D &v2);
111 friend inline const QVector3D operator*(qreal factor, const QVector3D &vector);
112 friend inline const QVector3D operator*(const QVector3D &vector, qreal factor);
113 friend const QVector3D operator*(const QVector3D &v1, const QVector3D& v2);
114 friend inline const QVector3D operator-(const QVector3D &vector);
115 friend inline const QVector3D operator/(const QVector3D &vector, qreal divisor);
116
117 friend inline bool qFuzzyCompare(const QVector3D& v1, const QVector3D& v2);
118
119#ifndef QT_NO_VECTOR2D
120 QVector2D toVector2D() const;
121#endif
122#ifndef QT_NO_VECTOR4D
123 QVector4D toVector4D() const;
124#endif
125
126 QPoint toPoint() const;
127 QPointF toPointF() const;
128
129 operator QVariant() const;
130
131private:
132 float xp, yp, zp;
133
134 QVector3D(float xpos, float ypos, float zpos, int dummy);
135
136 friend class QVector2D;
137 friend class QVector4D;
138#ifndef QT_NO_MATRIX4X4
139 friend QVector3D operator*(const QVector3D& vector, const QMatrix4x4& matrix);
140 friend QVector3D operator*(const QMatrix4x4& matrix, const QVector3D& vector);
141#endif
142};
143
144Q_DECLARE_TYPEINFO(QVector3D, Q_MOVABLE_TYPE);
145
146inline QVector3D::QVector3D() : xp(0.0f), yp(0.0f), zp(0.0f) {}
147
148inline QVector3D::QVector3D(qreal xpos, qreal ypos, qreal zpos) : xp(xpos), yp(ypos), zp(zpos) {}
149
150inline QVector3D::QVector3D(float xpos, float ypos, float zpos, int) : xp(xpos), yp(ypos), zp(zpos) {}
151
152inline QVector3D::QVector3D(const QPoint& point) : xp(point.x()), yp(point.y()), zp(0.0f) {}
153
154inline QVector3D::QVector3D(const QPointF& point) : xp(point.x()), yp(point.y()), zp(0.0f) {}
155
156inline bool QVector3D::isNull() const
157{
158 return qIsNull(xp) && qIsNull(yp) && qIsNull(zp);
159}
160
161inline qreal QVector3D::x() const { return qreal(xp); }
162inline qreal QVector3D::y() const { return qreal(yp); }
163inline qreal QVector3D::z() const { return qreal(zp); }
164
165inline void QVector3D::setX(qreal aX) { xp = aX; }
166inline void QVector3D::setY(qreal aY) { yp = aY; }
167inline void QVector3D::setZ(qreal aZ) { zp = aZ; }
168
169inline QVector3D &QVector3D::operator+=(const QVector3D &vector)
170{
171 xp += vector.xp;
172 yp += vector.yp;
173 zp += vector.zp;
174 return *this;
175}
176
177inline QVector3D &QVector3D::operator-=(const QVector3D &vector)
178{
179 xp -= vector.xp;
180 yp -= vector.yp;
181 zp -= vector.zp;
182 return *this;
183}
184
185inline QVector3D &QVector3D::operator*=(qreal factor)
186{
187 xp *= factor;
188 yp *= factor;
189 zp *= factor;
190 return *this;
191}
192
193inline QVector3D &QVector3D::operator*=(const QVector3D& vector)
194{
195 xp *= vector.xp;
196 yp *= vector.yp;
197 zp *= vector.zp;
198 return *this;
199}
200
201inline QVector3D &QVector3D::operator/=(qreal divisor)
202{
203 xp /= divisor;
204 yp /= divisor;
205 zp /= divisor;
206 return *this;
207}
208
209inline bool operator==(const QVector3D &v1, const QVector3D &v2)
210{
211 return v1.xp == v2.xp && v1.yp == v2.yp && v1.zp == v2.zp;
212}
213
214inline bool operator!=(const QVector3D &v1, const QVector3D &v2)
215{
216 return v1.xp != v2.xp || v1.yp != v2.yp || v1.zp != v2.zp;
217}
218
219inline const QVector3D operator+(const QVector3D &v1, const QVector3D &v2)
220{
221 return QVector3D(v1.xp + v2.xp, v1.yp + v2.yp, v1.zp + v2.zp, 1);
222}
223
224inline const QVector3D operator-(const QVector3D &v1, const QVector3D &v2)
225{
226 return QVector3D(v1.xp - v2.xp, v1.yp - v2.yp, v1.zp - v2.zp, 1);
227}
228
229inline const QVector3D operator*(qreal factor, const QVector3D &vector)
230{
231 return QVector3D(vector.xp * factor, vector.yp * factor, vector.zp * factor, 1);
232}
233
234inline const QVector3D operator*(const QVector3D &vector, qreal factor)
235{
236 return QVector3D(vector.xp * factor, vector.yp * factor, vector.zp * factor, 1);
237}
238
239inline const QVector3D operator*(const QVector3D &v1, const QVector3D& v2)
240{
241 return QVector3D(v1.xp * v2.xp, v1.yp * v2.yp, v1.zp * v2.zp, 1);
242}
243
244inline const QVector3D operator-(const QVector3D &vector)
245{
246 return QVector3D(-vector.xp, -vector.yp, -vector.zp, 1);
247}
248
249inline const QVector3D operator/(const QVector3D &vector, qreal divisor)
250{
251 return QVector3D(vector.xp / divisor, vector.yp / divisor, vector.zp / divisor, 1);
252}
253
254inline bool qFuzzyCompare(const QVector3D& v1, const QVector3D& v2)
255{
256 return qFuzzyCompare(v1.xp, v2.xp) &&
257 qFuzzyCompare(v1.yp, v2.yp) &&
258 qFuzzyCompare(v1.zp, v2.zp);
259}
260
261inline QPoint QVector3D::toPoint() const
262{
263 return QPoint(qRound(xp), qRound(yp));
264}
265
266inline QPointF QVector3D::toPointF() const
267{
268 return QPointF(qreal(xp), qreal(yp));
269}
270
271#ifndef QT_NO_DEBUG_STREAM
272Q_GUI_EXPORT QDebug operator<<(QDebug dbg, const QVector3D &vector);
273#endif
274
275#ifndef QT_NO_DATASTREAM
276Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QVector3D &);
277Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QVector3D &);
278#endif
279
280#endif
281
282QT_END_NAMESPACE
283
284QT_END_HEADER
285
286#endif
287

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