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update marker collision sample (#334)
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-108
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3 files changed

+65
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‎samples/3d-marker-collision-behavior/index.html‎

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Original file line numberDiff line numberDiff line change
@@ -17,25 +17,16 @@
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<!-- prettier-ignore -->
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<script>(g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})
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({key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8", v: "alpha",});</script>
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({key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8", v: "beta",});</script>
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<div class="detailsContainer">
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<label for="collisionSelect">Marker Collision behavior.</label>
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<select id="collisionSelect" >
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<option value="REQUIRED">REQUIRED</option>
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<option value="REQUIRED_AND_HIDES_OPTIONAL">REQUIRED_AND_HIDES_OPTIONAL</option>
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<option value="OPTIONAL_AND_HIDES_LOWER_PRIORITY">OPTIONAL_AND_HIDES_LOWER_PRIORITY</option>
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</select>
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<div style="font-size: 0.7em; width:500px;">
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<b>REQUIRED:</b> (default) Always display the marker regardless of collision.<br>
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<b>OPTIONAL_AND_HIDES_LOWER_PRIORITY:</b> Display the marker only if it does not overlap with other markers. If two markers of this type would overlap, the one with the higher zIndex is shown. If they have the same zIndex, the one with the lower vertical screen position is shown.<br>
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<b>REQUIRED_AND_HIDES_OPTIONAL:</b> Always display the marker regardless of collision, and hide any OPTIONAL_AND_HIDES_LOWER_PRIORITY markers or labels that would overlap with the marker.<br>
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</div>
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</div>
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<div class="textContainer">
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<div class="text">Select the marker collision method.</div>
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</div>
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<selector>
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<select id="selectElementId">
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<option value="">Pick a Collision Behavior</option>
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<option value="REQUIRED">Required</option>
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<option value="REQUIRED_AND_HIDES_OPTIONAL">Required and hides optional</option>
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<option value="OPTIONAL_AND_HIDES_LOWER_PRIORITY">Optional and hides lower priority</option>
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</select>
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</selector>
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</body>
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</html>
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<!-- [END maps_3d_marker_collision_behavior] -->

‎samples/3d-marker-collision-behavior/index.ts‎

Lines changed: 52 additions & 54 deletions
Original file line numberDiff line numberDiff line change
@@ -6,59 +6,57 @@
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// @ts-nocheck
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// [START maps_3d_marker_collision_behavior]
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let map;
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async function init() {
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// Request needed libraries.
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const { Map3DElement, Marker3DElement } = await google.maps.importLibrary("maps3d");
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map = new Map3DElement({
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center: { lat: 47.6094, lng: -122.3390, altitude: 0 },
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range: 1000,
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mode: 'HYBRID'
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});
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map.mode = "SATELLITE";
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let zindex = 0;
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for (const [lng, lat] of positions) {
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const marker = new Marker3DElement({
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position: { lat, lng },
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// Try setting a different collision behavior here.
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collisionBehavior: google.maps.CollisionBehavior.REQUIRED,
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drawsWhenOccluded : true,
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zIndex : zindex++,
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label: zindex.toString(),
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});
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map.append(marker);
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}
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const collisionSelect = document.getElementById('collisionSelect');
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collisionSelect.addEventListener('change', handleCollisionSelection);
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document.body.append(map);
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}
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function handleCollisionSelection() {
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const selectedIndex = collisionSelect.selectedIndex;
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for (const marker of map.getElementsByTagName("gmp-marker-3d")) {
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marker.collisionBehavior = collisionSelect.value;
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}
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}
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const positions = [
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[-122.3402, 47.6093],
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[-122.3402, 47.6094],
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[-122.3403, 47.6094],
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[-122.3384, 47.6098],
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[-122.3389, 47.6095],
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[-122.3396, 47.6095],
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[-122.3379, 47.6097],
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[-122.3378, 47.6097],
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[-122.3396, 47.6091],
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[-122.3383, 47.6089],
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[-122.3379, 47.6093],
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[-122.3381, 47.6095],
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[-122.3378, 47.6095],
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];
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init();
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const markers = [];
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async function init() {
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// Request needed libraries.
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const { Map3DElement, MapMode, Marker3DElement } = await google.maps.importLibrary("maps3d");
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const map = new Map3DElement({
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center: { lat: 47.6094, lng: -122.3390, altitude: 0 },
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range: 1000,
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mode: MapMode.HYBRID,
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});
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for (const [lng, lat] of positions) {
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const marker = new Marker3DElement({
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position: {lat, lng},
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// Try setting a different collision behavior here.
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collisionBehavior: google.maps.CollisionBehavior.REQUIRED
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});
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markers.push(marker)
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map.append(marker);
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}
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document.body.append(map);
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}
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const positions = [
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[-122.3402, 47.6093],
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[-122.3402, 47.6094],
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[-122.3403, 47.6094],
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[-122.3384, 47.6098],
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[-122.3389, 47.6095],
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[-122.3396, 47.6095],
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[-122.3379, 47.6097],
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[-122.3378, 47.6097],
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[-122.3396, 47.6091],
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[-122.3383, 47.6089],
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[-122.3379, 47.6093],
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[-122.3381, 47.6095],
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[-122.3378, 47.6095],
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];
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init();
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const dropdown = document.getElementById('selectElementId');
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dropdown.addEventListener('change', drawMap);
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function drawMap(event) {
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for (const marker of markers) {
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marker.collisionBehavior = dropdown.value || google.maps.CollisionBehavior.REQUIRED;
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}
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}
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// [END maps_3d_marker_collision_behavior]

‎samples/3d-marker-collision-behavior/style.css‎

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Original file line numberDiff line numberDiff line change
@@ -16,40 +16,8 @@ body {
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margin: 0;
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padding: 0;
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}
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.textContainer {
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background-color: #4d90fe;
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box-shadow: 0 1px 4px -1px rgba(0, 0, 0, 0.3);
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margin: 10px;
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overflow: hidden;
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position: absolute;
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left: 50%;
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bottom: 5px;
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transform: translateX(-50%);
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border: 1px solid white;
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border-radius: 2px;
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padding: 5px;
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z-index: 1000;
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}
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.detailsContainer {
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background-color: #fff;
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box-shadow: 0 1px 4px -1px rgba(0, 0, 0, 0.3);
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margin: 10px;
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font: 400 18px Roboto, Arial, sans-serif;
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overflow: hidden;
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position: absolute;
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left: 50%;
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bottom: 50px;
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transform: translateX(-50%);
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border: 2px solid #4d90fe;
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border-radius: 2px;
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padding: 5px;
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z-index: 1000;
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}
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.text {
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color: white;
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font-size: 1em;
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text-align: center;
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}
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selector {
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padding: 2px;
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float: right;
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}
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/* [END maps_3d_marker_collision_behavior] */

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