Created
June 14, 2025 01:45
-
-
Save myaosato/2f6a9d70c155b20ae0dcda0c3625cb85 to your computer and use it in GitHub Desktop.
トーン
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> | |
| <html> | |
| <head> | |
| <title>TONE</title> | |
| </head> | |
| <body style="margin:0;text-align: center;"> | |
| <canvas id="canvas" width="700" height="700"></canvas> | |
| <script> | |
| /** @type {HTMLCanvasElement} */ | |
| const canvas = document.getElementById('canvas'); | |
| const ctx = canvas.getContext('2d'); | |
| const tone = (s, l) => { | |
| const x = 50 + s * 6; | |
| const y = 700 - (50 + l * 6); | |
| const r = 40; | |
| // | |
| for (let h = 0; h < 12; h++) { | |
| const cx = x + r * Math.cos((h / 12) * Math.PI * 2); | |
| const cy = y - r * Math.sin((h / 12) * Math.PI * 2); | |
| const hc = 0; // - (10 + (100 - s) * 0.1); | |
| const sc = (l - 50); // 補正をいれた。 | |
| // | |
| ctx.save(); | |
| ctx.fillStyle = `hsl(${Math.round((h / 12) * 360 + hc)}deg ${Math.min(s + sc, 100)}% ${l}%)`; | |
| ctx.translate(cx, cy); | |
| ctx.beginPath(); | |
| ctx.arc(0, 0, r / 5, 0, 2 * Math.PI); | |
| ctx.fill(); | |
| ctx.restore(); | |
| } | |
| }; | |
| // | |
| tone(80, 50); | |
| tone(60, 40); | |
| tone(60, 60); | |
| </script> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment