QPolygonOffset Class

class Qt3DRender ::QPolygonOffset

The QPolygonOffset class sets the scale and steps to calculate depth values for polygon offsets. 更多...

头：	#include <QPolygonOffset>
qmake:	QT += 3drender
Since:	Qt 5.7
实例化：	PolygonOffset
继承：	Qt3DRender::QRenderState

该类在 Qt 5.7 引入。

所有成员列表，包括继承成员

特性

depthSteps : float
scaleFactor : float

公共函数

	QPolygonOffset (Qt3DCore::QNode * parent = nullptr)
float	depthSteps () const
float	scaleFactor () const

公共槽

void	setDepthSteps (float depthSteps )
void	setScaleFactor (float scaleFactor )

信号

void	depthStepsChanged (float depthSteps )
void	scaleFactorChanged (float scaleFactor )

详细描述

A QPolygonOffset class adds an offset to the fragment depth value prior to depth test and depth write. The offset can be used to avoid z-fighting when rendering polygons with very close depth values such as decals.

特性文档编制

depthSteps : float

Holds the units that create constant depth offsets. Default value is 0.

访问函数：

float	depthSteps () const
void	setDepthSteps (float depthSteps )

通知程序信号：

void	depthStepsChanged (float depthSteps )

scaleFactor : float

Holds the scale factor used to create a variable depth offset for each polygon. Default value is 0.

访问函数：

float	scaleFactor () const
void	setScaleFactor (float scaleFactor )

通知程序信号：

void	scaleFactorChanged (float scaleFactor )

成员函数文档编制

QPolygonOffset:: QPolygonOffset ( Qt3DCore::QNode * parent = nullptr)

The constructor creates a new QPolygonOffset::QPolygonOffset instance with the specified parent