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| ** |
| ** Copyright (C) 2008-2012 NVIDIA Corporation. |
| ** Copyright (C) 2019 The Qt Company Ltd. |
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| ** This file is part of Qt Quick 3D. |
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| ****************************************************************************/ |
| |
| #ifndef QSSGUTILS_H |
| #define QSSGUTILS_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtQuick3DUtils/private/qtquick3dutilsglobal_p.h> |
| #include <QtQuick3DUtils/private/qssgdataref_p.h> |
| #include <QtQuick3DUtils/private/qssgrendereulerangles_p.h> |
| |
| #include <QtGui/QVector2D> |
| #include <QtGui/QVector3D> |
| #include <QtGui/QQuaternion> |
| #include <QtGui/QMatrix3x3> |
| #include <QtGui/QMatrix4x4> |
| |
| #include <QtCore/qdebug.h> |
| #include <QtCore/QString> |
| #include <QtCore/qloggingcategory.h> |
| #include <QtCore/QIODevice> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace aux { |
| Q_DECL_CONSTEXPR inline float translateBrightness(float brightness) { return brightness * .01f; } |
| Q_DECL_CONSTEXPR inline float translateConstantAttenuation(float attenuation) { return attenuation; } |
| template<int MINATTENUATION = 0, int MAXATTENUATION = 1000> |
| Q_DECL_CONSTEXPR inline float translateLinearAttenuation(float attenuation) { return qBound(float(MINATTENUATION), attenuation, float(MAXATTENUATION)) * .01f; } |
| template<int MINATTENUATION = 0, int MAXATTENUATION = 1000> |
| Q_DECL_CONSTEXPR inline float translateQuadraticAttenuation(float attenuation) { return qBound(float(MINATTENUATION), attenuation, float(MAXATTENUATION)) * .0001f; } |
| } |
| |
| namespace vec2 { |
| float Q_QUICK3DUTILS_EXPORT magnitude(const QVector2D &v); |
| } |
| |
| namespace vec3 { |
| inline QVector3D minimum(const QVector3D &v1, const QVector3D &v2) Q_DECL_NOTHROW { return { qMin(v1.x(), v2.x()), qMin(v1.y(), v2.y()), qMin(v1.z(), v2.z()) }; } |
| inline QVector3D maximum(const QVector3D &v1, const QVector3D &v2) Q_DECL_NOTHROW { return { qMax(v1.x(), v2.x()), qMax(v1.y(), v2.y()), qMax(v1.z(), v2.z()) }; } |
| bool Q_QUICK3DUTILS_EXPORT isFinite(const QVector3D &v); |
| float Q_QUICK3DUTILS_EXPORT magnitude(const QVector3D &v); |
| float Q_QUICK3DUTILS_EXPORT magnitudeSquared(const QVector3D &v); |
| float Q_QUICK3DUTILS_EXPORT normalize(QVector3D &v); |
| } |
| |
| namespace mat33 { |
| QVector3D Q_QUICK3DUTILS_EXPORT transform(const QMatrix3x3 &m, const QVector3D &v); |
| QMatrix3x3 Q_QUICK3DUTILS_EXPORT getInverse(const QMatrix3x3 &m); |
| } |
| |
| namespace mat44 { |
| QMatrix3x3 Q_QUICK3DUTILS_EXPORT getUpper3x3(const QMatrix4x4 &m); |
| void Q_QUICK3DUTILS_EXPORT normalize(QMatrix4x4 &m); |
| QVector3D Q_QUICK3DUTILS_EXPORT rotate(const QMatrix4x4 &m, const QVector3D &v); |
| QVector4D Q_QUICK3DUTILS_EXPORT rotate(const QMatrix4x4 &m, const QVector4D &v); |
| QVector3D Q_QUICK3DUTILS_EXPORT transform(const QMatrix4x4 &m, const QVector3D &v); |
| QVector4D Q_QUICK3DUTILS_EXPORT transform(const QMatrix4x4 &m, const QVector4D &v); |
| QVector3D Q_QUICK3DUTILS_EXPORT getPosition(const QMatrix4x4 &m); |
| QVector3D Q_QUICK3DUTILS_EXPORT getRotation(const QMatrix4x4 &m, EulerOrder order); |
| QVector3D Q_QUICK3DUTILS_EXPORT getScale(const QMatrix4x4 &m); |
| |
| inline void flip(QMatrix4x4 &matrix) |
| { |
| // Flip between left-handed and right-handed orientation |
| float *writePtr(matrix.data()); |
| // rotation conversion |
| writePtr[0 * 4 + 2] *= -1; |
| writePtr[1 * 4 + 2] *= -1; |
| writePtr[2 * 4 + 0] *= -1; |
| writePtr[2 * 4 + 1] *= -1; |
| // translation conversion |
| writePtr[3 * 4 + 2] *= -1; |
| } |
| |
| } |
| |
| namespace quant { |
| bool Q_QUICK3DUTILS_EXPORT isFinite(const QQuaternion &q); |
| |
| float Q_QUICK3DUTILS_EXPORT magnitude(const QQuaternion &q); |
| |
| bool Q_QUICK3DUTILS_EXPORT isSane(const QQuaternion &q); |
| |
| bool Q_QUICK3DUTILS_EXPORT isUnit(const QQuaternion &q); |
| |
| QVector3D Q_QUICK3DUTILS_EXPORT rotated(const QQuaternion &q, const QVector3D &v); |
| |
| QVector3D Q_QUICK3DUTILS_EXPORT inverseRotated(const QQuaternion &q, const QVector3D &v); |
| } |
| |
| template<typename TDataType> |
| QSSGDataRef<TDataType> PtrAtOffset(quint8 *baseData, quint32 offset, quint32 byteSize) |
| { |
| return QSSGDataRef<TDataType>(byteSize ? reinterpret_cast<TDataType *>(baseData + offset) : nullptr, |
| byteSize / sizeof(TDataType)); |
| } |
| |
| Q_QUICK3DUTILS_EXPORT const char *nonNull(const char *src); |
| |
| Q_QUICK3DUTILS_EXPORT float radToDeg(const float a); |
| Q_QUICK3DUTILS_EXPORT double radToDeg(const double a); |
| Q_QUICK3DUTILS_EXPORT float degToRad(const float a); |
| Q_QUICK3DUTILS_EXPORT double degToRad(const double a); |
| |
| inline QVector3D degToRad(const QVector3D &v) { |
| return QVector3D(qDegreesToRadians(v.x()), qDegreesToRadians(v.y()), qDegreesToRadians(v.z())); |
| } |
| |
| inline QVector3D radToDeg(const QVector3D &v) { |
| return QVector3D(qRadiansToDegrees(v.x()), qRadiansToDegrees(v.y()), qRadiansToDegrees(v.z())); |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif // QSSGUTILS_H |