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- const MIN_DISTANCE = 10;
- function getDirection(x, y) {
- if (x > y && x > MIN_DISTANCE) {
- return 'horizontal';
- }
- if (y > x && y > MIN_DISTANCE) {
- return 'vertical';
- }
- return '';
- }
- export const touch = Behavior({
- methods: {
- resetTouchStatus() {
- this.direction = '';
- this.deltaX = 0;
- this.deltaY = 0;
- this.offsetX = 0;
- this.offsetY = 0;
- },
- touchStart(event) {
- this.resetTouchStatus();
- const touch = event.touches[0];
- this.startX = touch.clientX;
- this.startY = touch.clientY;
- },
- touchMove(event) {
- const touch = event.touches[0];
- this.deltaX = touch.clientX - this.startX;
- this.deltaY = touch.clientY - this.startY;
- this.offsetX = Math.abs(this.deltaX);
- this.offsetY = Math.abs(this.deltaY);
- this.direction =
- this.direction || getDirection(this.offsetX, this.offsetY);
- },
- },
- });
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