How to create touch interactions to scale,rotate or move the object based on gestures?
Hey @mihir ,
Generally, you’d use something like hammer.js to simplify the workflow; use the values returned from hammer to transform a group of entities.
If you would like to avoid dependencies, it may be handy to have a look at the source code of hammer.js on GitHub, they have all of the touch-interactions that you need open-sourced.
We will be releasing an example project using hammer.js in the first weeks of 2022 (when we’re back in the office) that should be a handy reference.
I hope this helps you get started! 
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To add to the above, we do have an example using hammer, but it’s for PlayCanvas. The concept is the same though. Have a look at touch-input.js on this project: https://playcanvas.com/project/788001/overview/instant-tracked--touch-control
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