feat(OrbitControls): expose zoom methods for programmatical controls #383
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Why
It's really necessary to programmatically control the zoom scale in OrbitControls. Not only do my projects need this but many others may want this, too.
https://stackoverflow.com/questions/43167656/programmatically-zoom-orbitcontrols
https://stackoverflow.com/questions/39856907/three-js-orbitcontrols-js-invoking-zoom-in-out-with-button-controls-dollyout
https://stackoverflow.com/questions/41198618/orbitcontrols-js-how-to-zoom-in-zoom-out
What
I added a few methods to perform the dolly operations, and programmatically control the actual zoom scale. These are not used in most scenarios, however they can be useful for specific use cases
Checklist
By the way, where should I update the document and storybook?
I really hope this can be merged and released into the latest package, please. It's really meaningful and significant to my projects. Thanks!