Change OrbitControls for TrackballControls

[tomasko19]

Hello,

is it please possible? And how?

Thank you

[Frank Rousseau]

I will see if we can set it as an option

[tomasko19]

I just need it bcs minPolarAngle and maxPolarAngle have limits.

[Frank Rousseau]

I added a trackball option. I hope it will help.