goutte/ godot-trackball-camera
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19 Stars 
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MIT License 
26 Commits 
5 Opened issues 
Description
A short Godot addon that adds a TrackballCamera node without gimbal lock.
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TrackballCamera for Godot
A Godot
3.xaddon that adds a
TrackballCameranode without gimbal lock.
The
TrackballCameraresponds to input from mouse, keyboard, joystick and touch, in order to rotate around its parent node while facing it.
A version for Godot
2.xis available as well.
Features
- stays around its parent node, even if the latter moves
- no gimbal lock (quaternions FTW)
- camera inertia for a smoother experience
- the parent node does not have to be centered in the camera's view
- analog camera control with joystick, courtesy of @marcello505 (in #4)
- a bunch of parameters to configure everything as you want it
Install
The installation is as usual, through the Assets Library. You can also simply copy the files of this project into yours, it should work.
Then, enable the plugin in
Scene > Project Settings > Plugins.
Usage
Make the
TrackballCameraa child of the node to trackball around. Make sure your camera initially faces said node, and is at a proper distance from it. The initial position of your camera matters. The node does not need to be in the center.
You can also use this camera to look around you if you place it atop its parent node, spatially. It's going to rotate around itself, and that amounts to looking around. You'll probably want to set
mouse_invertand
keyboard_invertto true in that case.
Todo
- [ ] Test if touch works on android and html5, try
SCREEN_DRAG
otherwise. (see #6)
Feedback and contributions are welcome!