Created
October 24, 2018 17:58
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Code for creating random color dots in HTML5 canvas.
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| <html> | |
| <body> | |
| <canvas id="mainCanvas" width="300" height="300"></canvas> | |
| </body> | |
| </html> | |
| <script> | |
| var ctx = document.getElementById("mainCanvas").getContext("2d"); | |
| function drawDot(ctx, x, y) | |
| { | |
| var randomColor = getRandomColor(); | |
| ctx.beginPath(); | |
| ctx.arc(x, y, 2, 0, 2 * Math.PI); | |
| ctx.fillStyle = randomColor; | |
| ctx.fill(); | |
| ctx.strokeStyle = randomColor; | |
| ctx.stroke(); | |
| } | |
| setInterval(function () | |
| { | |
| drawDot(ctx, Math.random() * 300, Math.random() * 300); | |
| }, 10); | |
| function getRandomColor() { | |
| var letters = '0123456789ABCDEF'; | |
| var color = '#'; | |
| for (var i = 0; i < 6; i++) { | |
| color += letters[Math.floor(Math.random() * 16)]; | |
| } | |
| return color; | |
| } | |
| </script> |
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