Based on PolarClock
forked from syntagmatic's block: Polar Clock
Created
January 20, 2019 11:13
-
-
Save Sandip124/516cad9320a3ffbc676189d394bb1d10 to your computer and use it in GitHub Desktop.
Polar Clock
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| license: mit |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| background: #111; | |
| font: 10px Helvetica; | |
| margin: auto; | |
| position: relative; | |
| width: 960px; | |
| } | |
| text { | |
| text-anchor: middle; | |
| alignment-baseline: middle; | |
| fill: #fff; | |
| } | |
| .hours { | |
| stroke: none; | |
| fill: none; | |
| } | |
| .hour text { | |
| fill: #fff; | |
| font-size: 12px; | |
| } | |
| .hour line { | |
| stroke: #fff; | |
| } | |
| .minute text { | |
| fill: #666; | |
| font-size: 8px; | |
| } | |
| .minute line { | |
| stroke: #666; | |
| } | |
| </style> | |
| <body> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 500, | |
| radius = 94; | |
| var arc = d3.svg.arc() | |
| .startAngle(0) | |
| .endAngle(function(d) { return d.value * 2 * Math.PI; }) | |
| .innerRadius(function(d) { return (3*d.index) * radius; }) | |
| .outerRadius(function(d) { return (3*d.index + d.spacing) * radius; }); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .append("g") | |
| .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")"); | |
| var field = svg.selectAll("g") | |
| .data(fields) | |
| .enter().append("g") | |
| .attr("class", "field"); | |
| field.append("path"); | |
| field.append("text"); | |
| // minute hands | |
| var minutedomain = d3.range(60); | |
| var minuteangle = d3.scale.linear() | |
| .domain([0,60]) | |
| .range([180,-180]) | |
| var minutemarks = svg.selectAll(".minute.axis") | |
| .data(minutedomain) | |
| .enter().append("g") | |
| .attr("class", "minute") | |
| .attr("transform", function(d) { return "rotate(" + -minuteangle(d) + ")"; }) | |
| minutemarks | |
| .filter(function(d) { return d % 5 == 0; }) | |
| .append("text") | |
| .attr("y", 190) | |
| .attr("transform", function(d) { | |
| return "rotate(" + minuteangle(d) + ",0,190)"; | |
| }) | |
| .text(String); | |
| minutemarks | |
| .append("line") | |
| .attr("x1", 168) | |
| .attr("x2", 180) | |
| .attr("y1", 0) | |
| .attr("y2", 0); | |
| // hour hands | |
| var hourdomain = d3.range(12); | |
| var hourangle = d3.scale.linear() | |
| .domain([0,12]) | |
| .range([180,-180]) | |
| var hourmarks = svg.selectAll(".hour.axis") | |
| .data(hourdomain) | |
| .enter().append("g") | |
| .attr("class", "hour") | |
| .attr("transform", function(d) { return "rotate(" + -hourangle(d) + ")"; }) | |
| hourmarks | |
| .append("text") | |
| .attr("y", 142) | |
| .attr("transform", function(d) { | |
| return "rotate(" + hourangle(d) + ",0,142)"; | |
| }) | |
| .text(String); | |
| hourmarks | |
| .append("line") | |
| .attr("x1", 156) | |
| .attr("x2", 180) | |
| .attr("y1", 0) | |
| .attr("y2", 0); | |
| var counter = 0; | |
| function tick() { | |
| if (counter++ % 3 != 0) return; // ease up on cpu | |
| field.data(fields) | |
| .select("path") | |
| .attr("d", arc) | |
| .style("fill", function(d) { return d.color; }); | |
| } | |
| d3.timer(tick); | |
| function fields() { | |
| var now = new Date; | |
| var milliseconds = now.getMilliseconds(); | |
| var seconds = now.getSeconds() + milliseconds / 1000; | |
| var minutes = now.getMinutes() + seconds / 60; | |
| var hours = ((now.getHours() + 24) % 12 || 0) + minutes / 60; | |
| return [ | |
| {field: "seconds", color: "#c22", index: .6348, spacing: 0.015, value: seconds / 60}, | |
| {field: "minutes", color: "#555", index: .597, spacing: 0.115, value: minutes / 60}, | |
| {field: "hours", color: "#888", index: .555, spacing: 0.1, value: hours / 12} | |
| ]; | |
| } | |
| </script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment