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<template>
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<view class="gesture-lock" :class="{error:error}" :style="{width: containerWidth +'rpx', height:containerWidth +'rpx'}"
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@touchstart.stop="onTouchStart" @touchmove.stop="onTouchMove" @touchend.stop="onTouchEnd">
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<!-- 同级 v-for 的 key 重复会有问题，需要套一层。 -->
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<!-- 9 个圆 -->
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<view>
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<view v-for="(item,i) in circleArray" :key="i" class="cycle" :class="{check:item.check}" :style="{left:item.style.left,top:item.style.top,width:item.style.width,height:item.style.width}">
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</view>
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</view>
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<view>
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<!-- 已激活锁之间的线段 -->
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<view v-for="(item,i) in lineArray" :key="i" class="line" :style="{left:item.activeLeft,top:item.activeTop,width:item.activeWidth,'-webkit-transform':'rotate('+item.activeRotate+')',transform:'rotate('+item.activeRotate+')'}">
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</view>
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</view>
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<!-- 最后一个激活的锁与当前位置之间的线段 -->
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<view class="line" :style="{left:activeLine.activeLeft,top:activeLine.activeTop,width:activeLine.activeWidth,'-webkit-transform':'rotate('+activeLine.activeRotate+')',transform:'rotate('+activeLine.activeRotate+')'}">
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</view>
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</view>
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</template>
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<script>
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import GestureLock from './gestureLock';
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export default {
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name: 'index',
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props: {
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/**
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* 容器宽度
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*/
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containerWidth: {
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type: [Number, String],
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default: 0
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},
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/**
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* 圆的半径
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*/
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cycleRadius: {
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type: [Number, String],
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default: 0
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},
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/**
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* 已设定的密码
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*/
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password: {
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type: Array,
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default () {
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return []
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}
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},
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},
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data() {
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return {
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gestureLock: {}, // 锁对象
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circleArray: [], // 圆对象数组
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lineArray: [], // 已激活锁之间的线段
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activeLine: {}, // 最后一个激活的锁与当前位置之间的线段
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error: false
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}
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},
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methods: {
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onTouchStart(e) {
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this.gestureLock.onTouchStart(e);
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this.refesh();
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},
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onTouchMove(e) {
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this.gestureLock.onTouchMove(e);
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this.refesh();
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},
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onTouchEnd(e) {
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const checkPoints = this.gestureLock.onTouchEnd(e);
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if (!this.password.length || checkPoints.join('') == this.password.join('')) {
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this.refesh();
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this.$emit('end', checkPoints);
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} else {
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this.error = true;
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setTimeout(() => {
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this.refesh();
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this.$emit('end', checkPoints);
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}, 800);
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}
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},
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refesh() {
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this.error = false;
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this.circleArray = this.gestureLock.getCycleArray();
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this.lineArray = this.gestureLock.getLineArray();
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this.activeLine = this.gestureLock.getActiveLine();
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}
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},
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mounted() {
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this.gestureLock = new GestureLock(this.containerWidth, this.cycleRadius);
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this.refesh();
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}
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}
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</script>
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<style scoped>
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.gesture-lock {
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margin: 0 auto;
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position: relative;
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box-sizing: border-box;
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overflow: auto;
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}
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.gesture-lock .cycle {
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box-sizing: border-box;
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position: absolute;
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border: 2px solid #66aaff;
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border-radius: 50%;
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}
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.gesture-lock .cycle.check:after {
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content: "";
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display: block;
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position: absolute;
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width: 32%;
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height: 32%;
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border: 2px solid #66aaff;
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border-radius: 50%;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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}
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.gesture-lock .line {
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height: 0;
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border-top: 2px solid #66aaff;
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position: absolute;
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transform-origin: left center;
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}
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.gesture-lock.error .cycle.check,
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.gesture-lock.error .cycle.check:after,
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.gesture-lock.error .line {
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border-color: #ffa197;
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}
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</style>
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