Qt3DRender.QCameraLens ¶

概要 ¶

详细描述 ¶

class PySide2.Qt3DRender.Qt3DRender. QCameraLens ( [ parent=None ] ) ¶

param parent

QNode

构造 QCameraLens with given parent

PySide2.Qt3DRender.Qt3DRender.QCameraLens. ProjectionType ¶

Specifies which parameters of QCameraLens are used to compute the projection matrix.

常量	描述
Qt3DRender.QCameraLens.OrthographicProjection	Orthogonal projection
Qt3DRender.QCameraLens.PerspectiveProjection	Perspective projection
Qt3DRender.QCameraLens.FrustumProjection	Frustum projection
Qt3DRender.QCameraLens.CustomProjection	Custom user-defined projection

PySide2.Qt3DRender.Qt3DRender.QCameraLens. aspectRatio ( ) ¶

返回类型

float

另请参阅

setAspectRatio()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. aspectRatioChanged ( aspectRatio ) ¶

参数

aspectRatio – float

PySide2.Qt3DRender.Qt3DRender.QCameraLens. bottom ( ) ¶

返回类型

float

另请参阅

setBottom()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. bottomChanged ( bottom ) ¶

参数

bottom – float

PySide2.Qt3DRender.Qt3DRender.QCameraLens. exposure ( ) ¶

返回类型

float

另请参阅

setExposure()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. exposureChanged ( exposure ) ¶

参数

exposure – float

PySide2.Qt3DRender.Qt3DRender.QCameraLens. farPlane ( ) ¶

返回类型

float

另请参阅

setFarPlane()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. farPlaneChanged ( farPlane ) ¶

参数

farPlane – float

PySide2.Qt3DRender.Qt3DRender.QCameraLens. fieldOfView ( ) ¶

返回类型

float

另请参阅

setFieldOfView()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. fieldOfViewChanged ( fieldOfView ) ¶

参数

fieldOfView – float

PySide2.Qt3DRender.Qt3DRender.QCameraLens. left ( ) ¶

返回类型

float

另请参阅

setLeft()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. leftChanged ( left ) ¶

参数

left – float

PySide2.Qt3DRender.Qt3DRender.QCameraLens. nearPlane ( ) ¶

返回类型

float

另请参阅

setNearPlane()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. nearPlaneChanged ( nearPlane ) ¶

参数

nearPlane – float

PySide2.Qt3DRender.Qt3DRender.QCameraLens. projectionMatrix ( ) ¶

返回类型

QMatrix4x4

另请参阅

setProjectionMatrix()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. projectionMatrixChanged ( projectionMatrix ) ¶

参数

projectionMatrix – QMatrix4x4

PySide2.Qt3DRender.Qt3DRender.QCameraLens. projectionType ( ) ¶

返回类型

ProjectionType

另请参阅

setProjectionType()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. projectionTypeChanged ( projectionType ) ¶

参数

projectionType – ProjectionType

PySide2.Qt3DRender.Qt3DRender.QCameraLens. right ( ) ¶

返回类型

float

另请参阅

setRight()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. rightChanged ( right ) ¶

参数

right – float

PySide2.Qt3DRender.Qt3DRender.QCameraLens. setAspectRatio ( aspectRatio ) ¶

参数

aspectRatio – float

Sets the projection’s aspect ratio to aspectRatio . This triggers a projection matrix update.

注意

this has no effect if the projection type is not PerspectiveProjection .

另请参阅

aspectRatio()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. setBottom ( bottom ) ¶

参数

bottom – float

Sets the projection’s bottom window coordinate to bottom . This triggers a projection matrix update.

注意

this has no effect if the projection type is PerspectiveProjection .

另请参阅

bottom()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. setExposure ( exposure ) ¶

参数

exposure – float

Sets the camera lens’ exposure

另请参阅

exposure()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. setFarPlane ( farPlane ) ¶

参数

farPlane – float

Sets the projection’s far plane to farPlane . This triggers a projection matrix update.

另请参阅

farPlane()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. setFieldOfView ( fieldOfView ) ¶

参数

fieldOfView – float

Sets the projection’s field of view to fieldOfView degrees. This triggers a projection matrix update.

注意

this has no effect if the projection type is not PerspectiveProjection .

另请参阅

fieldOfView()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. setFrustumProjection ( left , right , bottom , top , nearPlane , farPlane ) ¶

参数

• left – float

• right – float

• bottom – float

• top – float

• nearPlane – float

• farPlane – float

Defines an orthographic projection based on left , right , bottom , top , nearPlane , farPlane .

PySide2.Qt3DRender.Qt3DRender.QCameraLens. setLeft ( left ) ¶

参数

left – float

Sets the projection’s lower left window coordinate to left . This triggers a projection matrix update.

注意

this has no effect if the projection type is PerspectiveProjection .

另请参阅

left()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. setNearPlane ( nearPlane ) ¶

参数

nearPlane – float

Sets the projection’s near plane to nearPlane . This triggers a projection matrix update.

另请参阅

nearPlane()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. setOrthographicProjection ( left , right , bottom , top , nearPlane , farPlane ) ¶

参数

• left – float

• right – float

• bottom – float

• top – float

• nearPlane – float

• farPlane – float

Defines an orthographic projection based on left , right , bottom , top , nearPlane , farPlane .

PySide2.Qt3DRender.Qt3DRender.QCameraLens. setPerspectiveProjection ( fieldOfView , aspect , nearPlane , farPlane ) ¶

参数

• fieldOfView – float

• aspect – float

• nearPlane – float

• farPlane – float

Defines a perspective projection based on fieldOfView , aspectRatio , nearPlane , farPlane .

PySide2.Qt3DRender.Qt3DRender.QCameraLens. setProjectionMatrix ( projectionMatrix ) ¶

参数

projectionMatrix – QMatrix4x4

Sets the project matrix to projectionMatrix .

注意

This will set the projection type to CustomProjection and thus ignore all other camera parameters that might have been specified.

另请参阅

projectionMatrix()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. setProjectionType ( projectionType ) ¶

参数

projectionType – ProjectionType

Sets the lens’ projection type projectionType .

注意

Qt3DRender::QCameraLens::Frustum and PerspectiveProjection are two different ways of specifying the same projection.

另请参阅

projectionType()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. setRight ( right ) ¶

参数

right – float

Sets the projection’s upper right window coordinate to right . This triggers a projection matrix update.

注意

this has no effect if the projection type is PerspectiveProjection .

另请参阅

right()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. setTop ( top ) ¶

参数

top – float

Sets the projection’s top window coordinate to top . This triggers a projection matrix update.

注意

this has no effect if the projection type is PerspectiveProjection .

另请参阅

top()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. top ( ) ¶

返回类型

float

另请参阅

setTop()

PySide2.Qt3DRender.Qt3DRender.QCameraLens. topChanged ( top ) ¶

参数

top – float

PySide2.Qt3DRender.Qt3DRender.QCameraLens. viewAll ( cameraId ) ¶

参数

cameraId – QNodeId

PySide2.Qt3DRender.Qt3DRender.QCameraLens. viewEntity ( entityId , cameraId ) ¶

参数

• entityId – QNodeId

• cameraId – QNodeId

PySide2.Qt3DRender.Qt3DRender.QCameraLens. viewSphere ( center , radius ) ¶

参数

• center – QVector3D

• radius – float