82 lines
1.7 KiB
JavaScript
82 lines
1.7 KiB
JavaScript
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/**
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* 点位追踪计数器
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*
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* @alphaair
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* 20230516 created.
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**/
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const utils = require("../../utils/utils");
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const AiSport = requirePlugin("aiSport");
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const SportBase = AiSport.sports.SportBase;
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/**
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* 点位追踪运动分析器
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*/
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class SportPointTrack extends SportBase {
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_calc = null
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_prev = null
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_trend = null
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points = []
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/**
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* 初始化分析器
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*
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* @param {int?} pointThreshold 计算器取点评分阈值
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*/
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constructor(pointThreshold) {
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super(pointThreshold);
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this.tickMode = true;
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this._calc = new AiSport.calc.CalcBase();
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}
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pushing(body) {
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if (utils.isNone(body))
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return;
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const lhip = body.keypoints.find(x => x.name == 'left_hip');
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const rhip = body.keypoints.find(x => x.name == 'right_hip');
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if (!lhip || !rhip)
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return;
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let y = lhip.y - rhip.y;
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y = Math.abs(y) / 2;
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y += Math.min(lhip.y, rhip.y);
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//首个点位
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if (this._prev === null) {
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this._prev = y;
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this.points.push(y);
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return;
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}
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//平
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if (y === this._prev)
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return;
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const t = y > this._prev;
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//首次趋势
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if (this._trend === null) {
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this._trend = t;
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this._prev = y;
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return;
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}
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//趋势变化
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if (t != this._trend) {
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this.emitTick();
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this.points.push(this._prev);
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}
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this._trend = t;
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this._prev = y;
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}
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}
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SportPointTrack.KEY = "Point-Track";
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SportPointTrack.NAME = "自定义-点位追踪";
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module.exports = SportPointTrack;
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