The OrbitCameraController class allows controlling the scene camera along orbital path. 更多...
| import 语句： | import Qt3D.Extras 2.2 |
| Since: | Qt 5.7 |
| 继承： | Entity |
The OrbitCameraController class allows controlling the scene camera along orbital path.
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. |
| 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. |
| 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.
