mirror of
https://github.com/placeAtlas/atlas.git
synced 2024-07-01 01:29:00 +02:00
541 lines
12 KiB
JavaScript
541 lines
12 KiB
JavaScript
/*
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========================================================================
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The 2022 /r/place Atlas
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An Atlas of Reddit's 2022 /r/place, with information to each
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artwork of the canvas provided by the community.
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Copyright (c) 2017 Roland Rytz <roland@draemm.li>
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Copyright (c) 2022 r/placeAtlas2 contributors
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Licensed under the GNU Affero General Public License Version 3
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https://place-atlas.stefanocoding.me/license.txt
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========================================================================
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*/
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const prodDomain = "place-atlas.stefanocoding.me"
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var innerContainer = document.getElementById("innerContainer");
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var container = document.getElementById("container");
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var canvas = document.getElementById("highlightCanvas");
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var context = canvas.getContext("2d");
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var zoom = 1;
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if(window.devicePixelRatio){
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zoom = 1/window.devicePixelRatio;
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}
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var maxZoom = 128;
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var minZoom = 0.1;
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var zoomOrigin = [0, 0];
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var scaleZoomOrigin = [0, 0];
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var dragging = false;
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var lastPosition = [0, 0];
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var viewportSize = [0, 0];
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document.getElementById("entriesListDonate").addEventListener("click", function(e){
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document.getElementById("donateOverlay").style.display = "flex";
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});
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document.getElementById("closeDonateButton").addEventListener("click", function(e){
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document.getElementById("donateOverlay").style.display = "none";
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});
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function applyView(){
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//console.log(zoomOrigin, scaleZoomOrigin);
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//console.log(scaleZoomOrigin[0]);
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scaleZoomOrigin[0] = Math.max(-1000, Math.min(1000, scaleZoomOrigin[0]));
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scaleZoomOrigin[1] = Math.max(-1000, Math.min(1000, scaleZoomOrigin[1]));
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zoomOrigin = [scaleZoomOrigin[0]*zoom, scaleZoomOrigin[1]*zoom];
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innerContainer.style.height = (~~(zoom*2000))+"px";
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innerContainer.style.width = (~~(zoom*2000))+"px";
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innerContainer.style.left = ~~(container.clientWidth/2 - innerContainer.clientWidth/2 + zoomOrigin[0] + container.offsetLeft)+"px";
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innerContainer.style.top = ~~(container.clientHeight/2 - innerContainer.clientHeight/2 + zoomOrigin[1] + container.offsetTop)+"px";
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}
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var atlas = null;
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window.atlas = atlas
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var atlasAll = null
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window.atlasAll = atlasAll
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if (document.location.host !== prodDomain) document.body.dataset.dev = ""
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init();
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async function init(){
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// For Reviewing Reddit Changes
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//let resp = await fetch("../tools/temp_atlas.json");
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let resp = await fetch("./atlas.json");
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atlas = await resp.json();
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atlas.sort(function (a, b) {
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if (a.center[1] < b.center[1]) {
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return -1;
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}
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if (a.center[1] > b.center[1]) {
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return 1;
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}
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// a must be equal to b
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return 0;
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});
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atlasAll = atlas;
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for (let atlasIndex in atlasAll) {
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if (Array.isArray(atlasAll[atlasIndex].path)) {
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let currentPath = atlasAll[atlasIndex].path
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atlasAll[atlasIndex].path = {}
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atlasAll[atlasIndex].path[defaultPeriod] = currentPath
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}
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if (Array.isArray(atlasAll[atlasIndex].center)) {
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let currentCenter = atlasAll[atlasIndex].center
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atlasAll[atlasIndex].center = {}
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atlasAll[atlasIndex].center[defaultPeriod] = currentCenter
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}
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if (atlasAll[atlasIndex].links) {
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let currentLinks = atlasAll[atlasIndex].links
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atlasAll[atlasIndex].links = {
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website: [],
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subreddit: [],
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discord: [],
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wiki: [],
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...currentLinks
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}
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} else {
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atlasAll[atlasIndex].links = {
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website: [],
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subreddit: [],
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discord: [],
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wiki: []
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}
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if (atlasAll[atlasIndex].website) atlasAll[atlasIndex].links.website = [atlasAll[atlasIndex].website]
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if (atlasAll[atlasIndex].subreddit) atlasAll[atlasIndex].links.subreddit = atlasAll[atlasIndex].subreddit.split(',').map(subreddit => subreddit.trim().replace(/^\/r\//, ''))
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delete atlasAll[atlasIndex].website
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delete atlasAll[atlasIndex].subreddit
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}
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}
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updateTime(period)
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//console.log(document.documentElement.clientWidth, document.documentElement.clientHeight);
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zoomOrigin = [0, 0];
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applyView();
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var initialPinchDistance = 0;
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var initialPinchZoom = 0;
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var initialPinchZoomOrigin = [0, 0];
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var desiredZoom;
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var zoomAnimationFrame;
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var mode = "view";
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var args = window.location.search;
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var params = new URLSearchParams(args)
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if (args){
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mode = params.get("mode")
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if (!mode) {
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mode = "view";
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}
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// Backwards compatibility for old links using "search" id arg
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if (params.has('id') && params.get('mode') !== 'draw') {
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let id = params.get('id')
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params.delete('id')
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let newLocation = new URL(window.location)
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newLocation.hash = id
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newLocation.search = params
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window.history.replaceState({}, '', newLocation)
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}
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}
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document.body.dataset.mode = mode
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initGlobal()
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if (mode !== "draw") initViewGlobal()
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if(mode === "draw"){
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initDraw();
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} else if(mode === "about"){
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window.location = "./about.html";
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} else if(mode === "overlap"){
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if(initOverlap){
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initOverlap();
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}
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} else if(mode.startsWith("diff")){
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try {
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let liveResp = await fetch("https://place-atlas.stefanocoding.me/atlas.json");
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let liveJson = await liveResp.json();
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let liveAtlasReduced = liveJson.reduce(function(a, c) {
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a[c.id] = c;
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return a;
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},{});
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// Mark added/edited entries
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atlas = atlas.map(function(entry) {
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if(liveAtlasReduced[entry.id] === undefined){
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entry.diff = "add";
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}else if(JSON.stringify(entry) !== JSON.stringify(liveAtlasReduced[entry.id])){
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entry.diff = "edit";
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}
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return entry;
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});
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// Mark removed entries
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let atlasReduced = atlas.reduce(function(a, c) {
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a[c.id] = c;
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return a;
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},{});
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let removedEntries = liveJson.filter(entry =>
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atlasReduced[entry.id] === undefined
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).map(entry => {
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entry.diff = "delete"
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return entry
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})
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atlas.push(...removedEntries)
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if(mode.includes("only")){
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atlas = atlas.filter(function(entry) {
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return typeof entry.diff == "string"
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});
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}
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atlasAll = atlas;
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} catch (error) {
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console.warn("Diff mode failed to load, reverting to normal view.", error);
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} finally {
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if(initOverlap && mode.includes("overlap")){
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initOverlap();
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} else {
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initView();
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}
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}
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} else if(mode === "explore"){
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initExplore();
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} else {
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initView();
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}
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document.getElementById("zoomInButton").addEventListener("click", function(e){
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/*if(zoomAnimationFrame){
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window.cancelAnimationFrame(zoomAnimationFrame);
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}*/
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var x = container.clientWidth/2;
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var y = container.clientHeight/2;
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initialPinchZoomOrigin = [
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scaleZoomOrigin[0],
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scaleZoomOrigin[1]
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];
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initialPinchZoom = zoom;
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lastPosition = [x, y];
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zoom = zoom * 2;
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zoom = Math.max(minZoom, Math.min(maxZoom, zoom));
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applyZoom(x, y, zoom);
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});
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document.getElementById("zoomOutButton").addEventListener("click", function(e){
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/*if(zoomAnimationFrame){
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window.cancelAnimationFrame(zoomAnimationFrame);
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}*/
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var x = container.clientWidth/2;
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var y = container.clientHeight/2;
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initialPinchZoomOrigin = [
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scaleZoomOrigin[0],
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scaleZoomOrigin[1]
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];
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initialPinchZoom = zoom;
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lastPosition = [x, y];
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zoom = zoom / 2;
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zoom = Math.max(minZoom, Math.min(maxZoom, zoom));
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applyZoom(x, y, zoom);
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});
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document.getElementById("zoomResetButton").addEventListener("click", function(e){
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zoom = 1;
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zoomOrigin = [0, 0];
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scaleZoomOrigin = [0, 0];
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updateLines();
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applyView();
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});
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container.addEventListener("dblclick", function(e){
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/*if(zoomAnimationFrame){
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window.cancelAnimationFrame(zoomAnimationFrame);
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}*/
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var x = e.clientX - container.offsetLeft;
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var y = e.clientY - container.offsetTop;
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initialPinchZoomOrigin = [
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scaleZoomOrigin[0],
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scaleZoomOrigin[1]
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];
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initialPinchZoom = zoom;
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lastPosition = [x, y];
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if(e.ctrlKey){
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zoom = zoom / 2;
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} else {
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zoom = zoom * 2;
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}
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zoom = Math.max(minZoom, Math.min(maxZoom, zoom));
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applyZoom(x, y, zoom);
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e.preventDefault();
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});
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container.addEventListener("wheel", function(e){
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/*if(zoomAnimationFrame){
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window.cancelAnimationFrame(zoomAnimationFrame);
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}*/
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var x = e.clientX - container.offsetLeft;
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var y = e.clientY - container.offsetTop;
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initialPinchZoomOrigin = [
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scaleZoomOrigin[0],
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scaleZoomOrigin[1]
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];
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initialPinchZoom = zoom;
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lastPosition = [x, y];
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// Check if we are zooming by pixels
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// https://developer.mozilla.org/en-US/docs/Web/API/WheelEvent/deltaMode
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if (e.deltaMode === 0) {
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// Scale the pixel delta by the current zoom factor
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// We want to zoom faster when closer, and slower when further
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// This creates a smoother experience
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zoom -= e.deltaY * (0.001 * zoom);
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} else {
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if(e.deltaY > 0){
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zoom = zoom / 2;
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} else if(e.deltaY < 0){
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zoom = zoom * 2;
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}
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}
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zoom = Math.max(minZoom, Math.min(maxZoom, zoom));
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applyZoom(x, y, zoom);
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e.preventDefault();
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}, {passive: true});
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/*function setDesiredZoom(x, y, target){
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zoom = (zoom*2 + target)/3;
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//console.log(zoom);
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if(Math.abs(1 - zoom/target) <= 0.01){
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zoom = target;
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}
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applyZoom(x, y, zoom);
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if(zoom != target){
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zoomAnimationFrame = window.requestAnimationFrame(function(){
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setDesiredZoom(x, y, target);
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});
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}
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}*/
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container.addEventListener("mousedown", function(e){
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mousedown(e.clientX, e.clientY);
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e.preventDefault();
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});
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container.addEventListener("touchstart", function(e){
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if(e.touches.length == 2){
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e.preventDefault();
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}
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touchstart(e);
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}, {passive: true});
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function mousedown(x, y){
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lastPosition = [x, y];
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dragging = true;
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}
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function touchstart(e){
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if(e.touches.length == 1){
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mousedown(e.touches[0].clientX, e.touches[0].clientY);
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} else if(e.touches.length == 2){
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initialPinchDistance = Math.sqrt(
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Math.pow(e.touches[0].clientX - e.touches[1].clientX, 2)
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+ Math.pow(e.touches[0].clientY - e.touches[1].clientY, 2)
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);
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initialPinchZoom = zoom;
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initialPinchZoomOrigin = [
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scaleZoomOrigin[0],
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scaleZoomOrigin[1]
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];
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mousedown(
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(e.touches[0].clientX + e.touches[1].clientX)/2,
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(e.touches[0].clientY + e.touches[1].clientY)/2
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);
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}
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}
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window.addEventListener("mousemove", function(e){
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updateLines();
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mousemove(e.clientX, e.clientY);
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if(dragging){
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e.preventDefault();
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}
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});
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window.addEventListener("touchmove", function(e){
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if(e.touches.length == 2 || e.scale > 1){
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e.preventDefault();
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}
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touchmove(e);
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},
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{passive: false}
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);
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function mousemove(x, y){
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if(dragging){
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var deltaX = x - lastPosition[0];
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var deltaY = y - lastPosition[1];
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lastPosition = [x, y];
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zoomOrigin[0] += deltaX;
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zoomOrigin[1] += deltaY;
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scaleZoomOrigin[0] += deltaX/zoom;
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scaleZoomOrigin[1] += deltaY/zoom;
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previousZoomOrigin = [zoomOrigin[0], zoomOrigin[1]];
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previousScaleZoomOrigin = [scaleZoomOrigin[0], scaleZoomOrigin[1]];
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updateLines();
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applyView();
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}
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}
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function touchmove(e){
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updateLines();
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if(e.touches.length == 1){
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mousemove(e.touches[0].clientX, e.touches[0].clientY);
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} else if(e.touches.length == 2){
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var newPinchDistance = Math.sqrt(
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Math.pow(e.touches[0].clientX - e.touches[1].clientX, 2)
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+ Math.pow(e.touches[0].clientY - e.touches[1].clientY, 2)
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);
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zoom = initialPinchZoom * newPinchDistance / initialPinchDistance;
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var x = (e.touches[0].clientX + e.touches[1].clientX)/2 - container.offsetLeft;
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var y = (e.touches[0].clientY + e.touches[1].clientY)/2 - container.offsetTop;
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applyZoom(x, y, zoom);
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}
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}
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function applyZoom(x, y, zoom){
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var deltaX = x - lastPosition[0];
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var deltaY = y - lastPosition[1];
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var pinchTranslateX = (x - container.clientWidth/2 - deltaX);
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var pinchTranslateY = (y - container.clientHeight/2 - deltaY);
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scaleZoomOrigin[0] = initialPinchZoomOrigin[0] + deltaX/zoom + pinchTranslateX/zoom - pinchTranslateX/initialPinchZoom;
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scaleZoomOrigin[1] = initialPinchZoomOrigin[1] + deltaY/zoom + pinchTranslateY/zoom - pinchTranslateY/initialPinchZoom;
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zoomOrigin[0] = scaleZoomOrigin[0]*zoom;
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zoomOrigin[1] = scaleZoomOrigin[1]*zoom;
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applyView();
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updateLines();
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}
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|
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window.addEventListener("mouseup", function(e){
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if(dragging){
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e.preventDefault();
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}
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mouseup(e.clientX, e.clientY);
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});
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window.addEventListener("touchend", touchend);
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function mouseup(x, y){
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if(dragging){
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dragging = false;
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}
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}
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function touchend(e){
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if(e.touches.length == 0){
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mouseup();
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} else if(e.touches.length == 1){
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initialPinchZoom = zoom;
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lastPosition = [e.touches[0].clientX, e.touches[0].clientY];
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}
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}
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window.addEventListener("resize", function(){
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//console.log(document.documentElement.clientWidth, document.documentElement.clientHeight);
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applyView();
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});
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document.body.dataset.initDone = ''
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}
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