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나는 도약 동작 좌표에 가장 근접한 Google지도에서 마커를 선택하려고했습니다. 나는 도약 모션 좌표를 Google지도 좌표로 변환하고 마커에 대해 marker.lat 및 marker.lng을 수행하여 도약 모션 장치에 대한 Google지도에서 가장 가까운 마커를 찾기 위해 위도 및 경도와 비교하여 시도했습니다. 그러나 화면 하단이나 화면 맨 위의 마커를 반환하는 대신 작동하지 않습니다. 다음은 현재 사용중인 javaScript 코드입니다.Google지도 및 도약 동작을 사용하여 마커 선택
var results = document.getElementById('resultsTable');
console.log("Key Tap Gesture at: " + keyTapGesture.position[0]);
//google.maps.event.dispatchEvent(ktEvent);
var closestMarkerDistance = 10000000000000000000000000; //big number to start, so any calculation will override this value
var closestMarker = null;
var distance = 10000000000000000000000000;
console.log("marker distances to keytap are: " + results.length);
var hand = frame.hands[0];
var stabilized = hand.stabilizedPalmPosition;
for (var i = 0; i < markers.length; i++) {
var markerPos = 0;
var keyTapX = 0;
var keyTapY = 0;
var newLatLngPt = 0;
var keyLng = 0;
var keyLat = 0;
markerPos = markers[i].position;
keyTapX = stabilized[0];
keyTapY = stabilized[1];
newLatLngPt = convertToLatLng(keyTapX, keyTapY);
var scaling = 4.0/Math.pow(2, map.getZoom() - 1);
keyLng = keyTapX * scaling;
keyLat = keyTapY * scaling;
//var keyTapCoord = new google.maps.LatLng(keyLat, keyLng);
distance = getDistanceFromLatLonInKm(markerPos.lat(), markerPos.lng(), newLatLngPt.lat(), newLatLngPt.lng());
if (distance < closestMarkerDistance) {
closestMarkerDistance = distance;
closestMarker = markers[i];
}
console.log(" \n" + distance + markers[i].getTitle());
}
if(closestMarker != null) {
console.log("\nclosest marker is : " + closestMarker.name + " title: " + closestMarker.getTitle() + " at pos: " + closestMarker.getPosition());
infowindow.setContent(closestMarker.getTitle());
infowindow.open(map,closestMarker);
console.log("\n ALSO: --> " + stabilized[0] + " ::::::" + stabilized[1]);
console.log("\n ANNNNNND: --> " + keyLng + " ::::::" + keyLat + "and then real la/lo = " + markerPos.lng() + " ____ " + markerPos.lat());
//document.getElementById(choices).innerHTML = place.name + "<br/>" + place.vicinity;
}
else {
console.log("\nclosest marker Does Not Exist");
}
function getDistanceFromLatLonInKm(lat1, lon1, lat2, lon2) {
var R = 6371; // Radius of the earth in km
var dLat = deg2rad(lat2 - lat1); // deg2rad below
var dLon = deg2rad(lon2 - lon1);
var a =
Math.sin(dLat/2) * Math.sin(dLat/2) +
Math.cos(deg2rad(lat1)) * Math.cos(deg2rad(lat2)) *
Math.sin(dLon/2) * Math.sin(dLon/2)
;
var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
var d = R * c; // Distance in km
return d;
}
function convertToLatLng(x, y) {
// retrieve the lat lng for the far extremities of the (visible) map
var latLngBounds = map.getBounds();
var neBound = latLngBounds.getNorthEast();
var swBound = latLngBounds.getSouthWest();
// convert the bounds in pixels
var neBoundInPx = map.getProjection().fromLatLngToPoint(neBound);
var swBoundInPx = map.getProjection().fromLatLngToPoint(swBound);
// compute the percent of x and y coordinates related to the div containing the map; in my case the screen
var procX = x/window.innerWidth;
var procY = y/window.innerHeight;
// compute new coordinates in pixels for lat and lng;
// for lng : subtract from the right edge of the container the left edge,
// multiply it by the percentage where the x coordinate was on the screen
// related to the container in which the map is placed and add back the left boundary
// you should now have the Lng coordinate in pixels
// do the same for lat
var newLngInPx = (neBoundInPx.x - swBoundInPx.x) * procX + swBoundInPx.x;
var newLatInPx = (swBoundInPx.y - neBoundInPx.y) * procY + neBoundInPx.y;
// convert from google point in lat lng and have fun :)
var newLatLng = map.getProjection().fromPointToLatLng(new google.maps.Point(newLngInPx, newLatInPx));
return newLatLng;
}
function deg2rad(deg) {
return deg * (Math.PI/180)
}