随机运动小球 - html
目的是为了训练眼球运动
直接将如下代码到保存为html文件打开即可
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | <!DOCTYPE html><html> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>随机运动小球</title> <style> body { background-color: black; margin: 0; height: 100vh; width: 100vw; overflow: hidden; } </style></head><body ><svg id="mySVG" height="200" width="200"> <circle id="myCircle1" cx="50" cy="50" r="40" fill="#27202075" /> <circle id="myCircle" cx="50" cy="50" r="40" fill="#27202075" /> <text id="myCircle1Text" x="50" y="55" font-size="20px" text-anchor="middle" fill="pink">·</text> <text id="myCircleText" x="50" y="55" font-size="20px" text-anchor="middle" fill="pink">·</text></svg><script>var svg = document.getElementById('mySVG');var circle = document.getElementById('myCircle');var circle1 = document.getElementById('myCircle1');var text = document.getElementById('myCircleText');var text1 = document.getElementById('myCircle1Text');// Function to get random number up to maxvar random = function(max) { return Math.floor(Math.random() * max);}// Set svg and circle sizesvg.setAttribute('width', window.innerWidth - 50);svg.setAttribute('height', window.innerHeight - 50);// Animate the circle to a new position, and repeatvar animate = function() { let width = random(window.innerWidth - 100) let height = random(window.innerHeight - 100) circle.setAttribute('cx', width); circle.setAttribute('cy', height); let time = random(5) + 1 // Apply a random duration for the next animation circle.style.transitionDuration = (time) + 's'; setTimeout(animate, (time) * 1000); text.setAttribute('x', width); text.setAttribute('y', height + 5); text.style.transitionDuration = (time) + 's';}// Animate the circle to a new position, and repeatvar animate1 = function() { let width = random(window.innerWidth - 100) let height = random(window.innerHeight - 100) circle1.setAttribute('cx', width); circle1.setAttribute('cy', height); // Apply a random duration for the next animation let time1 = random(5) + 1 circle1.style.transitionDuration = (time1) + 's'; text1.setAttribute('x', width); text1.setAttribute('y', height + 5); text1.style.transitionDuration = (time1) + 's'; setTimeout(animate1, (time1) * 1000); } // Start the animationanimate();animate1();</script></body></html> |
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