#How to use rotate gesture in 3D game?#
Set a key in the middle of screen by keyboard mapping and Save it.
In 3D game, hold the left mouse button down and drag your mouse pointer to rotate around, meanwhile press the key you set in the middle of screen.
#How to use pinch or spread gesture?#
Hold the Ctrl key and then push up/down on the mouse wheel. It exactly simulates the behavior of pinch or spread. In addition, you can also try with F2 or F3 key to zoom in or zoom out.
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