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Recettear characters vs force layout
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| <!DOCTYPE html> | |
| <html> | |
| <head id="head"> | |
| <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/> | |
| <title>Recettear characters</title> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.js"></script> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.geom.js"></script> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.layout.js"></script> | |
| <style type="text/css"> | |
| body,html { margin: 0; } | |
| rect { | |
| fill: white; | |
| } | |
| circle.fly { | |
| stroke: #000; | |
| stroke-opacity: .5; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="body"> | |
| <div id="chart"></div> | |
| </div> | |
| <script src="index.js"></script> | |
| </body> | |
| </html> |
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| var w = 960 | |
| , h = 500 | |
| , svg = d3.select("#chart").append("svg:svg") | |
| .attr("width", w) | |
| .attr("height", h) | |
| , defs = svg.append('svg:defs') | |
| , pref = 'file:' === location.protocol ? '' : 'http://bl.ocks.org/d/1306472/' | |
| , load = new Image // preload the images | |
| , surl = load.src = pref + 'sprites.png' | |
| , char_radius = 33 | |
| , char_img_width = 80 | |
| , sprite_w = 1025 | |
| , sprite_h = 208 | |
| , nodes, force | |
| , data, items; | |
| svg.append("svg:rect") | |
| .attr("width", w) | |
| .attr("height", h); | |
| d3.json(pref + 'recettear-items.json', function(json) { items = json; }); | |
| d3.json(pref + 'recettear-data.json', function(json) { data = json; | |
| var offs = data.sprites | |
| , n = data.characters.length + 1 | |
| ; | |
| svg.selectAll('circle.character') | |
| .data(data.characters) | |
| .enter() | |
| .append('svg:circle') | |
| .attr('cx', function(d, i) { return Math.round((i + 1) * (w / n)); }) | |
| .attr('cy', function(d, i) { | |
| return Math.round((i & 1) * (h / 3) + (h / 3)); | |
| }) | |
| .attr('r', char_img_width >> 1) | |
| .attr('fill', function(d) { return 'url(#'+ d.id +')'; }) | |
| .attr('xlink:href', function(d) { return '#'+ d.name; }) | |
| .attr('class', 'character') | |
| .each(function(d) { | |
| defSprite(surl, sprite_w, sprite_h, offs[d.id], d.id); | |
| }); | |
| start(); | |
| }); | |
| function defSprite(url, w, h, o, id) { | |
| defs.append('svg:pattern') | |
| .attr('id', id) | |
| .attr('width', o.w) | |
| .attr('height', o.h) | |
| .append('svg:svg') | |
| .attr('width', o.w) | |
| .attr('height', o.h) | |
| .attr('viewBox', [o.x, o.y, o.w, o.h].join(' ')) | |
| .append('svg:image') | |
| .attr('width', w) | |
| .attr('height', h) | |
| .attr('xlink:href', url); | |
| } | |
| function color(i) { | |
| return data.characters[i].color; | |
| } | |
| function start() { | |
| nodes = d3.range(8).map(function(i) { | |
| return { type: Math.random() * 8 | 0 | |
| , radius: char_radius | |
| , fixed: true | |
| , type: i | |
| , x: (i + 1) * (w / 9) | |
| , y: (i & 1) * (h / 3) + (h / 3) | |
| }; | |
| }); | |
| // color = d3.scale.category10(); | |
| force = d3.layout.force() | |
| .gravity(0) | |
| .charge(0) | |
| .nodes(nodes) | |
| .size([w, h]); | |
| force.start(); | |
| force.on("tick", function(e) { | |
| var q = d3.geom.quadtree(nodes), | |
| k = e.alpha * .1, | |
| i = 0, | |
| n = nodes.length, | |
| o, c; | |
| while (++i < n) { | |
| o = nodes[i]; | |
| if (o.fixed) continue; | |
| c = nodes[o.type]; | |
| o.x += (c.x - o.x) * k; | |
| o.y += (c.y - o.y) * k; | |
| q.visit(collide(o)); | |
| } | |
| svg.selectAll("circle.fly") | |
| .attr("cx", function(d) { return d.x; }) | |
| .attr("cy", function(d) { return d.y; }); | |
| }); | |
| var p0; | |
| svg.on("mousemove", function() { | |
| var p1 = d3.svg.mouse(this) | |
| , node = { radius: Math.random() * 12 + 4 | |
| , type: Math.random() * 8 | 0 | |
| , x: p1[0] | |
| , y: p1[1] | |
| , px: (p0 || (p0 = p1))[0] | |
| , py: p0[1] | |
| }; | |
| p0 = p1; | |
| svg.append("svg:circle") | |
| .data([node]) | |
| .attr('class', 'fly') | |
| .attr("cx", function(d) { return d.x; }) | |
| .attr("cy", function(d) { return d.y; }) | |
| .attr("r", function(d) { return d.radius - 2; }) | |
| .style("fill", function(d) {return color(d.type);}) | |
| .transition() | |
| .delay(3000) | |
| .attr("r", 1e-6) | |
| .each("end", function() { nodes.splice(8, 1); }) | |
| .remove(); | |
| nodes.push(node); | |
| force.resume(); | |
| }); | |
| } | |
| function collide(node) { | |
| var r = node.radius + 16, | |
| nx1 = node.x - r, | |
| nx2 = node.x + r, | |
| ny1 = node.y - r, | |
| ny2 = node.y + r; | |
| return function(quad, x1, y1, x2, y2) { | |
| if (quad.point && (quad.point !== node)) { | |
| var x = node.x - quad.point.x, | |
| y = node.y - quad.point.y, | |
| l = Math.sqrt(x * x + y * y), | |
| r = node.radius + quad.point.radius; | |
| if (l < r) { | |
| l = (l - r) / l * .5; | |
| node.px += x * l; | |
| node.py += y * l; | |
| } | |
| } | |
| return x1 > nx2 | |
| || x2 < nx1 | |
| || y1 > ny2 | |
| || y2 < ny1; | |
| }; | |
| } |
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