解決方案?

package cn.edu.zstu.myzstu.spyder.hongqingting;/*** @author ShenTuZhiGang* @version 1.0.0* @date 2020-10-29 21{27*/ public class PlaygroundMap extends RegionalSportsMap{/*** 初始化坐標信息*/private MeterPoint p1,p2,p3,p4;private Double l1,l2,l3,l4,totleLength;public PlaygroundMap(){this.p1= MeterPoint.parse(new LatLonPoint(30.311800891797446, 120.35574664089964));this.p2= MeterPoint.parse(new LatLonPoint(30.312759515931962, 120.35571445439146));this.p3= MeterPoint.parse(new LatLonPoint(30.31275951593204, 120.35649229500578));this.p4= MeterPoint.parse(new LatLonPoint(30.311828678136038, 120.35648156616972));this.l1=MeterPoint.getDistance(this.p1,this.p2);this.l2=MeterPoint.getDistance(this.p3,this.p2)*Math.PI/2;this.l3=MeterPoint.getDistance(this.p4,this.p3);this.l4=MeterPoint.getDistance(this.p4,this.p1)*Math.PI/2;this.totleLength=this.l1+this.l2+this.l3+this.l4;}/*** 通過距離開始位置的路程(米)獲得坐標* @param dis 距離開始位置的路程(米)* @return*/@OverrideMeterPoint getPoint(Double dis) {while(dis>this.totleLength){dis-=this.totleLength;}while(dis<0){dis+=this.totleLength;}if(dis<this.l1){Double rat=dis/this.l1;Double x=(this.p2.x-this.p1.x)*rat+this.p1.x;Double y=(this.p2.y-this.p1.y)*rat+this.p1.y;return new MeterPoint(x,y);}else if(dis<this.l1+this.l2){Double r=MeterPoint.getDistance(this.p2,this.p3)/2;Double deg=(dis-this.l1)/r;Double cx=(this.p2.x+this.p3.x)/2;Double cy=(this.p2.y+this.p3.y)/2;Double deg_=Math.atan((this.p2.x-cx)/(this.p2.y-cy));if(this.p2.y-cy<0){ deg_+=Math.PI;}deg=deg_-deg;Double x=cx+r*Math.sin(deg);Double y=cy+r*Math.cos(deg);return new MeterPoint(x,y);}else if(dis<this.l1+this.l2+this.l3){Double rat=(dis-this.l1-this.l2)/this.l3;Double x=(this.p4.x-this.p3.x)*rat+this.p3.x;Double y=(this.p4.y-this.p3.y)*rat+this.p3.y;return new MeterPoint(x,y);}else{Double r=MeterPoint.getDistance(this.p4,this.p1)/2;Double deg=(dis-this.l1-this.l2-this.l3)/r;Double cx=(this.p1.x+this.p4.x)/2;Double cy=(this.p1.y+this.p4.y)/2;Double deg_=Math.atan((this.p4.x-cx)/(this.p4.y-cy));if(this.p4.y-cy<0){deg_+=Math.PI;}deg=deg_-deg;Double x=cx+r*Math.sin(deg);Double y=cy+r*Math.cos(deg);return new MeterPoint(x,y);}}/*** 通過距離開始位置的路程(米)獲得帶有法向噪聲的坐標* @param dis 距離開始位置的路程(米)* @param normalOffset 法向噪聲系數(米)* @return*/@OverrideMeterPoint getPointWithOffset(Double dis, Double normalOffset) {while(dis>this.totleLength){dis-=this.totleLength;}while(dis<0){dis+=this.totleLength;}MeterPoint noVec;if(dis<this.l1) {noVec = new MeterPoint(this.p2.y - this.p1.y, this.p1.x - this.p2.x);Double l = MeterPoint.getDistance(noVec, new MeterPoint(0, 0));noVec = new MeterPoint(noVec.x / l, noVec.y / l);} else if(dis<this.l1+this.l2){Double r=MeterPoint.getDistance(this.p2,this.p3)/2;Double deg=(dis-this.l1)/r;Double cx=(this.p2.x+this.p3.x)/2;Double cy=(this.p2.y+this.p3.y)/2;Double deg_=Math.atan((this.p2.x-cx)/(this.p2.y-cy));if(this.p2.x-cx<0){deg_+=Math.PI;}deg=deg_-deg;noVec=new MeterPoint(Math.sin(deg),Math.cos(deg));} else if(dis<this.l1+this.l2+this.l3) {noVec = new MeterPoint(this.p4.y - this.p3.y, this.p3.x - this.p4.x);Double l = MeterPoint.getDistance(noVec, new MeterPoint(0, 0));noVec = new MeterPoint(noVec.x / l, noVec.y / l);}else{Double r = MeterPoint.getDistance(this.p4, this.p1) / 2;Double deg = (dis - this.l1 - this.l2 - this.l3) / r;Double cx = (this.p1.x + this.p4.x) / 2;Double cy = (this.p1.y + this.p4.y) / 2;Double deg_ = Math.atan((this.p4.x - cx) / (this.p4.y - cy));if(this.p4.x - cx < 0){deg_ += Math.PI;}deg = deg_ - deg;noVec = new MeterPoint(Math.sin(deg), Math.cos(deg));}MeterPoint raw = this.getPoint(dis);return new MeterPoint(raw.x + noVec.x * Math.random() * normalOffset,raw.y + noVec.y * Math.random() * normalOffset);} }

參考文章

SYC genRunData

總結

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