Add Radial angle accessors
Add Radial angle accessors

sunshineyyy/CatchOneBus,jiangege/pebblejs-project,sunshineyyy/CatchOneBus,sunshineyyy/CatchOneBus,carlo-colombo/dublin-bus-pebble,pebble/pebblejs,jiangege/pebblejs-project,carlo-colombo/dublin-bus-pebble,sunshineyyy/CatchOneBus,fletchto99/pebblejs,pebble/pebblejs,fletchto99/pebblejs,pebble/pebblejs,pebble/pebblejs,carlo-colombo/dublin-bus-pebble,sunshineyyy/CatchOneBus,carlo-colombo/dublin-bus-pebble,fletchto99/pebblejs,pebble/pebblejs,jiangege/pebblejs-project,jiangege/pebblejs-project,carlo-colombo/dublin-bus-pebble,fletchto99/pebblejs,fletchto99/pebblejs,jiangege/pebblejs-project