mirror of
https://github.com/sigmasternchen/combinationLockPG
synced 2025-03-15 11:38:55 +00:00
52 lines
No EOL
1.2 KiB
JavaScript
52 lines
No EOL
1.2 KiB
JavaScript
var context;
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var main = function () {
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var canvas = document.getElementById("canvas");
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context = canvas.getContext('2d');
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drawLock();
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drawDial(0);
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}
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var drawLock = function() {
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context.save();
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context.translate(100, 100);
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context.fillStyle = "#999";
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context.beginPath();
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context.arc(0, 0, 100, 0, 2 * Math.PI);
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context.closePath();
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context.fill();
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context.beginPath();
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context.moveTo(0, - 82);
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context.lineTo(- 6, - 95);
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context.lineTo(+ 6, - 95);
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context.closePath();
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context.stroke();
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context.restore();
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}
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var drawDial = function(rot) {
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context.save();
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context.translate(100, 100);
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context.rotate(rot)
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context.fillStyle = "#555";
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context.beginPath();
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context.arc(0, 0, 80, 0, 2 * Math.PI);
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context.closePath();
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context.fill();
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context.fillStyle = "#111";
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context.beginPath();
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context.arc(0, 0, 7, 0, 2 * Math.PI);
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context.closePath();
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context.fill();
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context.fillStyle = "#fff";
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var num = 32;
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for (var i = 0; i < num; i++) {
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context.beginPath();
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context.fillText(i, 72 * Math.cos(2 * Math.PI / num * i) - 7, 72 * Math.sin(2 * Math.PI / num * i) + 3);
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context.closePath();
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context.fill();
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}
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context.restore();
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}
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window.onload = main; |