@@ -0,0 +1,63 @@
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import { ref } from 'vue';
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const MIN_DISTANCE = 10;
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function getDirection(x: number, y: number) {
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if (x > y && x > MIN_DISTANCE) {
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return 'horizontal';
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}
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if (y > x && y > MIN_DISTANCE) {
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return 'vertical';
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}
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return '';
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}
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export function useTouch() {
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const startX = ref(0);
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const startY = ref(0);
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const deltaX = ref(0);
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const deltaY = ref(0);
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const offsetX = ref(0);
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const offsetY = ref(0);
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const direction = ref('');
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function reset() {
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direction.value = '';
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deltaX.value = 0;
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deltaY.value = 0;
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offsetX.value = 0;
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offsetY.value = 0;
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}
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function start(event: TouchEvent) {
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reset();
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startX.value = event.touches[0].clientX;
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startY.value = event.touches[0].clientY;
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}
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function move(event: TouchEvent) {
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const touch = event.touches[0];
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deltaX.value = touch.clientX - this.startX;
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deltaY.value = touch.clientY - this.startY;
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offsetX.value = Math.abs(this.deltaX);
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offsetY.value = Math.abs(this.deltaY);
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if (!direction.value) {
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direction.value = getDirection(offsetX.value, offsetY.value);
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}
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}
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return {
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move,
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start,
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startX,
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startY,
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deltaX,
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deltaY,
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offsetX,
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offsetY,
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direction
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};
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}
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Reference in New Issue
Block a user