X-Git-Url: https://git.r.bdr.sh/rbdr/r.bdr.sh/blobdiff_plain/55ca90876437f97ea98ff9e17535c9c1fc7b4f95..ef8dfccf9ed5c2c71456f1c97e052dcbfe868f75:/js/animation.js?ds=sidebyside diff --git a/js/animation.js b/js/animation.js index a585332..ecf5e43 100644 --- a/js/animation.js +++ b/js/animation.js @@ -1,89 +1,75 @@ (function () { var K = document.querySelector('canvas'), - { random: R, PI, cos: C, sin: S, floor, atan2: A } = Math, - id = p => p, - spn = rad => p => ({ - x: p.x + rad * C(l), - y: p.y + rad * S(l) - }), - x = K.getContext('2d'), - f = 24, - l = 0, - spd = 1, - siz = 5 + r(10), - clr = R() > 0.5, - ccl = R() > 0.5, - I = Array(r(10) + 6).fill().map(() => ({ - x: r(64), - y: r(64), - a: R() * 2 * PI, - c: Array(3).fill(r(256)) - })), - H = [sqr, crc, hrt, chs, lch], - P = [id, spn(5), spn(15)], - draw = H[r(H.length)], - pos = P[r(P.length)] + { random: R, PI, cos: C, sin: S, atan2: A } = Math, + id = p => p, + spn = rad => p => ({ + x: p.x + rad * C(l), + y: p.y + rad * S(l) + }), + X = K.getContext('2d'), F = X.fill.bind(X), B = X.beginPath.bind(X), + f = 24, l = 0, s = 1, z = 5 + r(10), + k = R() > 0.5, c = R() > 0.5, + I = Array(r(10) + 6).fill().map(() => ({ + x: r(64), y: r(64), + a: R() * 2 * PI, c: r(100) + })), + H = [sqr, crc, hrt, chs, lch], P = [id, spn(5), spn(15)], + draw = H[r(H.length)], pos = P[r(P.length)] function r(x) { - return floor(R() * x) + return ~~(R() * x) } function sqr(i) { - var p = pos(i) - x.fillRect(p.x, p.y, siz, siz) + X.fillRect(p.x, p.y, z, z) } function crc(i) { - var p = pos(i) - x.beginPath() - x.arc(p.x, p.y, siz / 2, 0, 2 * PI) - x.fill() + B() + X.arc(p.x, p.y, z / 2, 0, 2 * PI) + F() } function chs(i) { - - var p = pos(i) - x.beginPath() - x.moveTo(p.x, p.y) - x.lineTo(p.x * 10 * C(i.a), p.y * 10 * S(i.a)) - x.lineTo(r(64), r(64)) - x.fill() + var {x, y} = pos(i) + B() + X.moveTo(x, y) + X.lineTo(x * 10 * C(i.a), y * 10 * S(i.a)) + X.lineTo(r(64), r(64)) + F() } function lch(i) { - - var p = pos(i) - x.beginPath() - x.lineWidth = 5 - x.strokeStyle = `rgb(${i.c.join(',')})` - x.moveTo(p.x, p.y) - x.lineTo(p.x * 10 * C(i.a), p.y * 10 * S(i.a)) - x.stroke() + var {x, y} = pos(i) + B() + X.lineWidth = 5 + X.strokeStyle = `hsl(0,0%,${i.c}%)` + X.moveTo(x, y) + X.lineTo(x * 10 * C(i.a), y * 10 * S(i.a)) + X.stroke() } function hrt(i) { - - var p = pos(i) - x.fillRect(p.x, p.y, siz, siz) - - x.beginPath() - x.arc(p.x + siz / 2, p.y, siz / 2, 0, 2 * PI, false) - x.fill() - x.closePath() - - x.beginPath() - x.arc(p.x + siz, p.y + siz / 2, siz / 2, 0, 2 * PI, false) - x.fill() - x.closePath() + var {x, y} = pos(i) + X.fillRect(x, y, z, z) + + B() + X.arc(x + z / 2, y, z / 2, 0, 2 * PI, false) + F() + X.closePath() + + B() + X.arc(x + z, y + z / 2, z / 2, 0, 2 * PI, false) + F() + X.closePath() } function mov(i) { - - i.x = i.x + spd * C(i.a) - i.y = i.y + spd * S(i.a) + i.x = i.x + s * C(i.a) + i.y = i.y + s * S(i.a) if (i.x < 0 || i.x > 64) { i.a = A(S(i.a), -C(i.a)) @@ -94,21 +80,20 @@ } function ucl(i) { - i.c = i.c.map(c => (c + 5) % 256) + i.c = (i.c + 2) % 101 } function frm(t) { - - window.requestAnimationFrame(frm) + requestAnimationFrame(frm) var dt = t - l if (dt > 1000 / f) { - clr && x.clearRect(0, 0, 64, 64) + k && X.clearRect(0, 0, 64, 64) for (var i of I) { - x.fillStyle = `rgb(${i.c.join(',')})` + X.fillStyle = `hsl(0,0%,${i.c}%)` draw(i) - ccl && ucl(i) + c && ucl(i) mov(i) }