Knob
Add Knob to Rings
Knob is a control to adjust value by single finger circular gesture.
It includes following parts:
- Knob
- KnobLayer -- provide rich and composable graphic
- KnobMapping -- define the relationship between value and rotation degree.
This first release provides basic layers: RingKnobLayer, ArcKnobLayer, and ImageKnobLayer.
Also provides two mappings: LinearMapping and SegmentMapping