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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>JS Bin</title> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js"></script> | |
| </head> | |
| <body> | |
| <svg | |
| height="200px" width="200px" background-color="grey" viewbox="-100 -100 200 200" | |
| > | |
| </svg> | |
| <script> | |
| var svg = d3.select('svg'); | |
| function init(){ | |
| svg | |
| .append('circle').classed('frame', true) | |
| .attr('cx', 0).attr('cy', 0) | |
| .attr('r', 100) | |
| .attr('fill', 'transparent') | |
| .attr('stroke', 'black'); | |
| console.log(d3.range(12)); | |
| ir = 90; | |
| or = 100; | |
| svg.selectAll('line.marker') | |
| .data(d3.range(12)) | |
| .enter() | |
| .append('line').classed('marker',true) | |
| .attr('x1', function(d){ | |
| return Math.cos(Math.PI/6*d)*ir; | |
| }) | |
| .attr('y1', function(d){ | |
| return Math.sin(Math.PI/6*d)*ir; | |
| }) | |
| .attr('x2', function(d){ | |
| return Math.cos(Math.PI/6*d)*or; | |
| }) | |
| .attr('y2', function(d){ | |
| return Math.sin(Math.PI/6*d)*or; | |
| }) | |
| .attr('stroke', 'black'); | |
| var tr = 80; | |
| svg.selectAll('text.denote') | |
| .data(d3.range(12)).enter() | |
| .append('text').classed('denote', true) | |
| .attr('x', function(d){return Math.sin(Math.PI/6*d)*tr}) | |
| .attr('y', function(d){return -Math.cos(Math.PI/6*d)*tr}) | |
| .attr('text-anchor', 'middle') | |
| .text(function(d){return d==0?12:d}); | |
| svg.selectAll('line.p') | |
| .data(['s', 'm', 'h']) | |
| .enter() | |
| .append('line') | |
| .attr('class', function(d){return d}) | |
| .classed('p', true) | |
| .attr('stroke', 'black') | |
| .attr('y1', 0).attr('x1', 0); | |
| } | |
| function draw(h, m, s){ | |
| sr = 90; | |
| mr = 70; | |
| hr = 50; | |
| svg.select('line.p.s') | |
| .transition() | |
| .attr('x2', Math.sin(Math.PI*2/60*s)*sr) | |
| .attr('y2', -Math.cos(Math.PI*2/60*s)*sr); | |
| svg.select('line.p.m') | |
| .transition() | |
| .attr('x2', Math.sin(Math.PI*2/60*m)*mr) | |
| .attr('y2', -Math.cos(Math.PI*2/60*m)*mr); | |
| svg.select('line.p.h') | |
| .transition() | |
| .attr('x2', Math.sin(Math.PI*2/60*h)*hr) | |
| .attr('y2', -Math.cos(Math.PI*2/60*h)*hr); | |
| } | |
| init(); | |
| setInterval(function(){ | |
| var d = new Date(); | |
| var second = d.getSeconds(); | |
| var hour = d.getHours(); | |
| var minutes = d.getMinutes(); | |
| draw(hour, minutes, second); | |
| }, 1000); | |
| </script> | |
| </body> | |
| </html> |
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