Ball roll movement

Unity Engine
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1

Hello, I need help :o,
I want to make an android game but i have problems with the movement.
Is there a way to add torque and force on my character to make it roll but only if you press a virtual button?

Thanks

2

There are couple of examples included in standard mobile asset(scenes ) provided by unity .you can get code help of creating virtual button from that and by using it you can apply torque and force on the desired object