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color animation
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| <!DOCTYPE html> | |
| <html lang="uk"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>Color Transition Text</title> | |
| <style> | |
| body { | |
| background-color: black; | |
| margin: 0; | |
| height: 100vh; | |
| display: flex; | |
| justify-content: center; | |
| align-items: center; | |
| font-family: 'Calibri', sans-serif; | |
| } | |
| p { | |
| font-size: 250px; | |
| color: rgb(0, 255, 0); /* початковий колір - зелений */ | |
| margin: 0; | |
| user-select: none; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <p id="p1">TEXT</p> | |
| <script> | |
| const colors = [ | |
| { r: 0, g: 255, b: 0 }, // Green | |
| { r: 0, g: 255, b: 255 }, // Cyan | |
| { r: 0, g: 0, b: 255 }, // Blue | |
| { r: 255, g: 0, b: 255 }, // Pink | |
| { r: 255, g: 255, b: 255 }, // White | |
| { r: 0, g: 0, b: 0 } // Black | |
| ]; | |
| let currentColorIndex = 0; | |
| let nextColorIndex = 1; | |
| let progress = 0; | |
| const transitionDuration = 2000; | |
| function animate(start, end, t) { | |
| return start + (end - start) * t; | |
| } | |
| let lastTime = null; | |
| function updateColor(timestamp) { | |
| if (!lastTime) lastTime = timestamp; | |
| const delta = timestamp - lastTime; | |
| progress += delta / transitionDuration; | |
| if (progress >= 1) { | |
| progress = 0; | |
| currentColorIndex = nextColorIndex; | |
| nextColorIndex = (nextColorIndex + 1) % colors.length; | |
| lastTime = timestamp; | |
| } | |
| const current = colors[currentColorIndex]; | |
| const next = colors[nextColorIndex]; | |
| const r = Math.round(animate(current.r, next.r, progress)); | |
| const g = Math.round(animate(current.g, next.g, progress)); | |
| const b = Math.round(animate(current.b, next.b, progress)); | |
| document.getElementById('p1').style.color = `rgb(${r},${g},${b})`; | |
| requestAnimationFrame(updateColor); | |
| } | |
| requestAnimationFrame(updateColor); | |
| </script> | |
| </body> | |
| </html> |
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