QOrbitCameraController Class

class Qt3DExtras ::QOrbitCameraController

The QOrbitCameraController class allows controlling the scene camera along orbital path. 更多...

头: #include <QOrbitCameraController>
CMake: find_package(Qt6 COMPONENTS 3dextras REQUIRED)
target_link_libraries(mytarget PRIVATE Qt6::3dextras)
qmake: QT += 3dextras
Since: Qt 5.7
继承: Qt3DExtras::QAbstractCameraController

特性

公共函数

void setZoomInLimit (float zoomInLimit )
float zoomInLimit () const

信号

void zoomInLimitChanged ()

详细描述

The controls are:

输入 动作
Left mouse button While the left mouse button is pressed, mouse movement along x-axis moves the camera left and right and movement along y-axis moves it up and down.
Right mouse button While the right mouse button is pressed, mouse movement along x-axis pans the camera around the camera view center and movement along y-axis tilts it around the camera view center.
Both left and right mouse button While both the left and the right mouse button are pressed, mouse movement along y-axis zooms the camera in and out without changing the view center.
Mouse scroll wheel Zooms the camera in and out without changing the view center.
方向键 Move the camera vertically and horizontally relative to camera viewport.
Page up and page down keys Move the camera forwards and backwards.
Shift key Changes the behavior of the up and down arrow keys to zoom the camera in and out without changing the view center. The other movement keys are disabled.
Alt key Changes the behovior of the arrow keys to pan and tilt the camera around the view center. Disables the page up and page down keys.
Escape Moves the camera so that entire scene is visible in the camera viewport.

特性文档编制

zoomInLimit : float

Holds the current zoom-in limit. The zoom-in limit determines how close to the view center the camera can be zoomed.

访问函数:

float zoomInLimit () const
void setZoomInLimit (float zoomInLimit )

通知程序信号:

void zoomInLimitChanged ()