Анимация Земли. Подробнее о создании можно почитать на Хабрахабре.
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Earth animation
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/topojson.v1.min.js"></script> | |
| <script src="http://d3js.org/queue.v1.min.js"></script> | |
| <script> | |
| var width = 667, | |
| height = 500; | |
| var projection = d3.geo.orthographic() | |
| .scale(245) | |
| .rotate([180, 0]) | |
| .translate([width / 2, height / 2]) | |
| .clipAngle(90); | |
| var canvas = d3.select("body").append("canvas") | |
| .attr("width", width) | |
| .attr("height", height); | |
| var c = canvas.node().getContext("2d"); | |
| var path = d3.geo.path() | |
| .projection(projection) | |
| .context(c); | |
| function getImage(path, callback) { | |
| var img = new Image(); | |
| img.src = path; | |
| img.onload = callback(null, img); | |
| } | |
| queue() | |
| .defer(d3.json, "/d/5685937/world-110m.json") | |
| .defer(d3.tsv, "/d/5685937/world-110m-country-names.tsv") | |
| .defer(getImage, "http://habrastorage.org/storage2/838/805/0a1/8388050a1aa300e23dfc2c93689d6f7a.jpg") | |
| .await(ready); | |
| //Main function | |
| function ready(error, world, countryData, space) { | |
| var globe = {type: "Sphere"}, | |
| land = topojson.feature(world, world.objects.land), | |
| borders = topojson.mesh(world, world.objects.countries, function(a, b) { return a !== b; }); | |
| console.log(error); | |
| //Earth rotating | |
| (function transition() { | |
| d3.transition() | |
| .duration(15000) | |
| .ease("linear") | |
| .tween("rotate", function() { | |
| var r = d3.interpolate(projection.rotate(), [-180, 0]); | |
| return function(t) { | |
| projection.rotate(r(t)); | |
| c.clearRect(0, 0, width, height); | |
| c.drawImage(space, 0, 0); | |
| c.fillStyle = "#00006B", c.beginPath(), path(globe), c.fill(); | |
| c.fillStyle = "#29527A", c.beginPath(), path(land), c.fill(); | |
| c.strokeStyle = "#fff", c.lineWidth = .5, c.beginPath(), path(borders), c.stroke(); | |
| projection.rotate([180, 0]); | |
| }; | |
| }) | |
| .transition().duration(30).ease("linear") | |
| .each("end", transition); | |
| })(); | |
| }; | |
| </script> | |
| </body> |
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