How to write a super gorgeous HTML 5 page
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Super gorgeous html5 page
The super gorgeous html5 page _ window.onload = function () {C = Math.cos; S = Math.sin; U = 0; canvas = document.getElementById ("myCanvas"); c = canvas.getContext ("2d"); var W = canvas.width = window.innerWidth; var H = canvas.height = window.innerHeight; c.fillRect (0,0, W, H); / / resize and draw black rect (default) c.globalCompositeOperation = "lighter" / / switch to additive color application c.lineWidth = 0.2 round / set the size of the brush c.lineCap = "round"; / / set smooth var bool = 0, t = 0; / / theta canvas.onmousemove = function (e) {if (window.T) {D=Math.random () * 15; f (1);} clearTimeout (T);} X = e.pageX; / / grab mouse pixel coords Y = e.pageY; astat0 / / previous coord.x bust 0; / / previous coord.y A = X, / / original coord.x B = Y; / / original coord.y R = (e.pageX/W * 999 > > 0) / 999; r = (e.pageY/H * 999 > > 0) / 999; U=e.pageX/H * 360 > > 0; U=e.pageX/H * 9; g = 360 * Math.PI / 180; T = setInterval (f = function (e) {c.save (); c.globalCompositeOperation = "source-over" If (estrangement 1) {c.fillStyle = "rgba (0, W, H);} c.restore (); I = 25; while (I -) {c.beginPath (); if (D > 450 | bool) {/ / decrease diameter if (! bool) {/ / has hit maximum bool = 1;} if (D < 0.1) {/ / has hit minimum bool = 0;} t-= g / / decrease theta D-= 0.1; / / decrease size} if (! bool) {t + = g; / increase theta D + = 0.1; / increase size} Q = (R / r-1) * t; x = (R-r) * C (t) + D * C (Q) + (A + (X-A) * (I / 25)) + (r-R) / center on xy coords y = (R-r) * S (t)-D * S (Q) + (B + (Y-B) * (I / 25)); if (a) {c.moveTo (a, b); c.lineTo (x, y)} c.strokeStyle = "hsla (" + (U% 360) + ", 100% 50% 0.75); / / draw rainbow hypotrochoid c.stroke (); a = x / / set previous coord.x b = y; / / set previous coord.y} U-= 0.5; / / increment hue A = X; / / set original coord.x B = Y; / / set original coord.y}, 16);} _ document.onkeydown = function (e) {aquibiz0; R + = 0.05} canvas.onmousemove ({pageX:300, pageY:290})}
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