OrbitCameraController QML Type

OrbitCameraController class allows controlling the scene camera along orbital path. 更多...

导入语句: import Qt3D.Extras 2.0
Since: Qt 5.7

特性

详细描述

OrbitCameraController class allows controlling the scene camera along orbital path.

The controls are:

Input 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.
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.

特性文档编制

camera : Camera

Holds the currently controlled camera.


linearSpeed : real

Holds the current linear speed of the camera controller. Linear speed determines the movement speed of the camera.


lookSpeed : real

Holds the current look speed of the camera controller. The look speed determines the turn rate of the camera pan and tilt.


zoomLimit : real

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