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71 lines
1.8 KiB
71 lines
1.8 KiB
// pages/calibrator/calibrator.js
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Component({
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/**
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* 组件的属性列表
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*/
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properties: {},
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/**
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* 组件的初始数据
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*/
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data: {
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pendingStart: 0,
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success: false,
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lineStyle: "",
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},
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/**
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* 组件的方法列表
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*/
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methods: {},
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lifetimes: {
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attached() {
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const windowInfo = wx.getWindowInfo();
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const vh = windowInfo.windowHeight;
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wx.startDeviceMotionListening({ interval: "ui" });
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this.deviceCb = ({ beta, gamma }) => {
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if (this.data.success) return;
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const isGammaPass =
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(gamma > -45 && gamma < 45) || gamma < -135 || gamma > 135;
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let top =
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(((Math.abs(gamma) > 90 ? 180 - Math.abs(beta) : Math.abs(beta)) /
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90) *
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vh) /
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2;
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if (!isGammaPass) {
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if (top < vh / 2) top = vh / 2 - 100;
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else top = vh / 2 + 100;
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}
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const success = top > vh / 2 - 50 && top < vh / 2 + 50;
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if (!success) {
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this.setData({
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lineStyle: `top: ${top}px;`,
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pendingStart: 0,
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});
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} else if (!this.data.pendingStart) {
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this.setData({
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lineStyle: `top: ${top}px;`,
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pendingStart: Date.now(),
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});
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} else if (Date.now() - this.data.pendingStart > 750) {
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this.setData({
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lineStyle: `top: ${top}px;`,
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success: true,
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});
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setTimeout(() => {
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this.triggerEvent("success");
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}, 500);
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} else {
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this.setData({
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lineStyle: `top: ${top}px;`,
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});
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}
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};
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wx.onDeviceMotionChange(this.deviceCb);
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},
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detached() {
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wx.offDeviceMotionChange(this.deviceCb);
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wx.stopDeviceMotionListening();
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},
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},
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});
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