Created
September 8, 2019 05:33
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<template> | |
<div class="about"> | |
<h1>現在地</h1> | |
<p>緯度:{{latitude}}</p> | |
<p>経度:{{longitude}}</p> | |
<h2>歩いた距離</h2> | |
<p>1分間で歩いた距離:{{d}} km</p> | |
<p>合計:{{length}} km</p> | |
</div> | |
</template> | |
<sciprt> | |
// 一部 | |
lat1: number; | |
lng1: number; | |
lat2: number; | |
lng2: number; | |
d: number; | |
length: number; | |
//60秒毎にcalcDistance関数を実行する | |
setInterval(calcDistance, 60000); | |
calcDistance(){ | |
const position = Geolocation.getCurrentPosition(); | |
this.lat2 = position.coords.latitude; | |
this.lng2 = position.coords.longitude; | |
this.d = distance(lat1, lng1, lat2, lng2) | |
this.length = this.length + this.d | |
this.lat1 = lat2 | |
this.lng1 = lng2 | |
} | |
function distance(lat1, lng1, lat2, lng2) { | |
lat1 *= Math.PI / 180; | |
lng1 *= Math.PI / 180; | |
lat2 *= Math.PI / 180; | |
lng2 *= Math.PI / 180; | |
return 6371 * Math.acos(Math.cos(lat1) * Math.cos(lat2) * Math.cos(lng2 - lng1) + Math.sin(lat1) * Math.sin(lat2)); | |
} | |
</script> |
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