import Hammer from '@egjs/hammerjs'; import { DEG_RAD } from './constants'; import IndiscreteGestureHandler from './IndiscreteGestureHandler'; class RotationGestureHandler extends IndiscreteGestureHandler { get name() { return 'rotate'; } get NativeGestureClass() { return Hammer.Rotate; } transformNativeEvent({ rotation, velocity, center }) { return { rotation: (rotation - this.initialRotation) * DEG_RAD, anchorX: center.x, anchorY: center.y, velocity, }; } } export default RotationGestureHandler;