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Touch Pinch Scaling?


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On ‎9‎/‎28‎/‎2018 at 3:34 PM, Wingnut said:

Hi Wingnut!

Thank you so much for replying! I think I found a cheaper way to do the functionality that I wanted earlier using only babylonjs!

But, I ran into another problem.

Although a little irrelevant from the question, would you happen to know another way to reverse camera movement without using something like camera.angularSensibilityX = -camera.angularSensibilityX?

This reverses the touch pinch gestures and it's an inconvenience when the user wants to zoom in but it actually zooms out lol.

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Hiya LT... my pleasure.  I found an interesting property in the arcRotateCam pinch code...



It looks like you can set arcCamera.pinchInwards to true or false.  Give that a try... see what happens.

I use an Ipad 4 to tour my "Physics Phlyer" playground fairly often, which has an arcCam as its primary cam.

By default, for me and my tablet:

   -  "spread" = dolly-in/zoom
   -  "pinch" = dolly-out/unzoom.

For me, this seems correct, because the craft gets bigger on a spread-gesture, and smaller on a squeeze (pinch) -gesture.

But you might need it to act reversed... and that's okay, too.  Try that Boolean property... it should work (in theory).  :) Good luck, report back, as wanted.

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