qquick3dparticleutils_p.h File Reference

#include <qmath.h>
#include <qmatrix4x4.h>
#include <QtQuick3DParticles/qtquick3dparticlesglobal.h>
#include <private/qglobal_p.h>

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Macros
#define	QPSIN   qLookupSin
#define	QPCOS   qLookupCos
#define	QT_QUICK3D_SINE_TABLE_SIZE   256

Functions
float	qLookupSin (float x)
float	qLookupCos (float x)
QQuick3DNode *	getSharedParentNode (QQuick3DNode *node, QQuick3DNode *system)
QMatrix4x4	calculateParticleTransform (const QQuick3DNode *parent, const QQuick3DNode *systemSharedParent)
QQuaternion	calculateParticleRotation (const QQuick3DNode *parent, const QQuick3DNode *systemSharedParent)

Variables
static constexpr float	QT_QUICK3D_SINE_H1 = 0.5f * float(QT_QUICK3D_SINE_TABLE_SIZE / M_PI)
static constexpr float	QT_QUICK3D_SINE_H2 = 2.0f * float(M_PI / QT_QUICK3D_SINE_TABLE_SIZE)
Q_QUICK3DPARTICLES_EXPORT const float	qt_quick3d_sine_table [QT_QUICK3D_SINE_TABLE_SIZE]

Macro Definition Documentation

QPCOS

#define QPCOS   qLookupCos

Definition at line 35 of file qquick3dparticleutils_p.h.

QPSIN

#define QPSIN   qLookupSin

Definition at line 34 of file qquick3dparticleutils_p.h.

QT_QUICK3D_SINE_TABLE_SIZE

#define QT_QUICK3D_SINE_TABLE_SIZE   256

Definition at line 48 of file qquick3dparticleutils_p.h.

Function Documentation

calculateParticleRotation()

QQuaternion calculateParticleRotation	(	const QQuick3DNode *	parent,
		const QQuick3DNode *	systemSharedParent
	)

Definition at line 298 of file qquick3dparticleutils.cpp.

References QQuaternion::inverted(), parent, and QQuick3DNode::sceneRotation.

Referenced by QQuick3DParticleEmitter::emitActivationNodeParticles(), QQuick3DParticleEmitter::emitParticles(), QQuick3DParticleEmitter::emitParticlesBurst(), and QQuick3DParticleEmitter::generateEmitBursts().

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calculateParticleTransform()

QMatrix4x4 calculateParticleTransform	(	const QQuick3DNode *	parent,
		const QQuick3DNode *	systemSharedParent
	)

Definition at line 290 of file qquick3dparticleutils.cpp.

References QMatrix4x4::inverted(), parent, and QQuick3DNode::sceneTransform.

Referenced by QQuick3DParticleEmitter::emitActivationNodeParticles(), QQuick3DParticleEmitter::emitParticles(), QQuick3DParticleEmitter::emitParticlesBurst(), QQuick3DParticleEmitter::generateEmitBursts(), and QQuick3DParticleAttractor::prepareToAffect().

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getSharedParentNode()

QQuick3DNode * getSharedParentNode	(	QQuick3DNode *	node,
		QQuick3DNode *	system
	)

Definition at line 268 of file qquick3dparticleutils.cpp.

References QList< T >::append(), QListSpecialMethodsBase< T >::contains(), parent, and QQuick3DNode::parentNode().

Referenced by QQuick3DParticleAffector::setSystem(), and QQuick3DParticleEmitter::setSystem().

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qLookupCos()

float qLookupCos ( float  x )

inline

Definition at line 66 of file qquick3dparticleutils_p.h.

References d, QT_QUICK3D_SINE_H1, QT_QUICK3D_SINE_H2, qt_quick3d_sine_table, and QT_QUICK3D_SINE_TABLE_SIZE.

qLookupSin()

float qLookupSin ( float  x )

inline

Definition at line 56 of file qquick3dparticleutils_p.h.

References d, QT_QUICK3D_SINE_H1, QT_QUICK3D_SINE_H2, qt_quick3d_sine_table, and QT_QUICK3D_SINE_TABLE_SIZE.

Variable Documentation

QT_QUICK3D_SINE_H1

constexpr float QT_QUICK3D_SINE_H1 = 0.5f * float(QT_QUICK3D_SINE_TABLE_SIZE / M_PI)

staticconstexpr

Definition at line 51 of file qquick3dparticleutils_p.h.

Referenced by qLookupCos(), and qLookupSin().

QT_QUICK3D_SINE_H2

constexpr float QT_QUICK3D_SINE_H2 = 2.0f * float(M_PI / QT_QUICK3D_SINE_TABLE_SIZE)

staticconstexpr

Definition at line 52 of file qquick3dparticleutils_p.h.

Referenced by qLookupCos(), and qLookupSin().

qt_quick3d_sine_table

Q_QUICK3DPARTICLES_EXPORT const float qt_quick3d_sine_table[QT_QUICK3D_SINE_TABLE_SIZE]

extern

Definition at line 9 of file qquick3dparticleutils.cpp.

Referenced by qLookupCos(), and qLookupSin().