touch.js
889 Bytes
export const touch = Behavior({
methods: {
touchStart(event) {
const touch = event.touches[0];
this.direction = '';
this.deltaX = 0;
this.deltaY = 0;
this.offsetX = 0;
this.offsetY = 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.offsetX > this.offsetY
? 'horizontal'
: this.offsetX < this.offsetY
? 'vertical'
: '';
}
}
});