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Sierpiński triangle
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Sierpiński triangle</title> | |
| <link rel="stylesheet" href="style.css"> | |
| <script> | |
| document.addEventListener('DOMContentLoaded', (event) => { | |
| const canvas = document.getElementById('canvas'); | |
| var ctx = canvas.getContext("2d"); | |
| const height = 600; | |
| const width = 600; | |
| canvas.width = width; | |
| canvas.height = height; | |
| const x_pts = [ 0, width/2 , width ]; | |
| const y_pts = [ height, 0, height ]; | |
| var x = Math.random() * height; | |
| var y = Math.random() * width; | |
| const colors = ["blue", "red", "yellow" ]; | |
| for( var j = 0 ; j < 100000; j ++ ) { | |
| const n = Math.floor(Math.random() * 3); | |
| ctx.fillStyle =colors[n]; | |
| x = (x + x_pts[n])/2; | |
| y = (y + y_pts[n])/2; | |
| ctx.fillRect(x,y,1,1); | |
| } | |
| }); | |
| </script> | |
| </head> | |
| <body> | |
| <canvas id="canvas" width="600" height="600"></canvas> | |
| </body> | |
| </html> |
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