Created
January 7, 2019 08:34
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Basic Wind Strip
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<canvas id='canvi'></canvas> |
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var c = document.getElementById('canvi'); | |
var $ = c.getContext('2d'); | |
var w = c.width = window.innerWidth; | |
var h = c.height = window.innerHeight; | |
var txt = function() { | |
var _t = "Breezy".split("").join(String.fromCharCode(0x2004)); | |
$.font = "comic sans"; | |
$.fillStyle = 'hsla(354, 50%, 50%, .8)'; | |
$.fillText(_t, (c.width - $.measureText(_t).width) * 0.5, c.height * 0.5); | |
return _t; | |
} | |
var draw = function(a, b, t) { | |
$.lineWidth = 0.8; | |
$.fillStyle = 'hsla(12,60%,76%, 1)'; | |
$.fillRect(0, 0, w, h); | |
for (var i = -60; i < 60; i += 1) { | |
$.strokeStyle = 'hsla(0,15%,40%, .15)'; | |
$.beginPath(); | |
$.moveTo(0, h / 2); | |
for (var j = 0; j < w; j += 10) { | |
$.lineTo(10 * Math.sin(i / 10) + | |
j + 0.008 * j * j, | |
Math.floor(h / 2 + j / 2 * | |
Math.sin(j / 50 - t / 50 - i / 118) + | |
(i * 0.9) * Math.sin(j / 25 - (i + t) / 65))); | |
}; | |
$.stroke(); | |
} | |
} | |
var t = 0; | |
window.addEventListener('resize', function() { | |
c.width = w = window.innerWidth; | |
c.height = h = window.innerHeight; | |
$.fillStyle = 'hsla(160, 95%, 55%, 1)'; | |
}, false); | |
var run = function() { | |
window.requestAnimationFrame(run); | |
t += 5; | |
draw(33, 52 * Math.sin(t / 2400), t); | |
txt(); | |
}; | |
run(); |
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body { | |
width: 100%; | |
margin: 0; | |
overflow: hidden; | |
background: hsla(0,0%,50%, 0.9); | |
} |
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