25 lines
559 B
JavaScript
25 lines
559 B
JavaScript
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;
|