Touch Screen Controls

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It ought to be possible to use the site editor in some capacity on touch screens, especially tablets or laptops that have touch screen capabilities. Bevy supports such devices but we are currently not making good use of that ability.

Here are some suggestion for what the controls could be like:

• Single-finger tap (+ optionally drag): same as left click
• Double-finger drag: pan the camera, same as right click + drag
• One finger fixed, second finger drag: pitch/roll the camera, same as middle click + drag
• Double-finger pinch/expand: zoom
• Double-finger twirl: yaw