Top dweets by u/BalintCsala

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

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BalintCsala

function u(t) {

c.width=500
for(i=0;i++<9;)x.ellipse(250, 100, 50, 100, i*t/9, 2*Math.PI, false);x.fill("evenodd")

Mar 21 2018 9:22 PM UTC

}// 98/140

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Ellipse thing

u/DirtyDan

Like a kaleidoscope

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BalintCsala

function u(t) {

for(X=99;X--+200;)for(Y=99;Y--+99;)((f=(n,x,y)=>n&&x<2&&y<2&&f(n-1,x*x-y*y+U,2*x*y+V))(99,U=X/99,V=Y/99)===0&&x.fillRect(X+200,Y+99,1,1))

Mar 24 2018 10:13 PM UTC

}// 137/140

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Mandelbrot set

u/iverjo

#mandelbrot #fractal

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BalintCsala

function u(t) {

eval(unescape(escape`挮睩摴栽㔰〻睩瑨⡸⥦潲⡩⁯映嬲ⰰⰱ崩晩汬却祬攽恨獬⠳㈠㔰┤笳〫椪㄰⬨䬽琥⡰㴱⸵㜩⤯瀪㄰紥怬晩汬⡮敷⁐慴栲䐨≍∫孷㴲〰ⰰⰨ䄽匨䬫瀪椩⨱㔰⤫眬眫匨䬫瀪縭椩⨵〬匨䬫瀪⵾椩⨱㔰⭷ⱷ⭁⼳崩⤻`.replace(/u(..)/g,"$1%")))

Aug 31 2018 10:35 PM UTC

}// 139/140

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Inspired by d/9536

u/BalintCsala

Full code c.width=500;with(x)for(i of [2,0,1])fillStyle=hsl(32 50%${30+i*10+(K=t%(p=1.57))/p*10}%,fill(new Path2D("M"+[w=200,0,(A=S(K+p*i)*150)+w,w+S(K+p*~-i)*50,S(K+p*-~i)*150+w,w+A/3]));

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BalintCsala

remix of d/8381 by u/andc2600

function u(t) {

for(i=3;i--;x.fillRect(0,360*i,1920,360))x.fillStyle=R(A=208*i,A-210,0)

Jun 4 2018 10:35 AM UTC

}// 71/140

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golfed

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BalintCsala

function u(t) {

c.width=450
for(i=20;i--;)for(j=9;j--;)x.setTransform(5,0,0,5,i*35+j%2*17.5,j*30),x.rotate(S(t)),x.fillText("⬢",-4,3.5)

Sep 11 2018 7:04 PM UTC

}// 119/140

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Only works on windows

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BalintCsala

remix of d/7200 by u/BalintCsala

function u(t) {

for(i=0;i++<(h=2**((t/5|0)%10));)(x.fillStyle=`hsl(${(i+t)*50%360},80%,80%`,x.fillRect(S(g=i/h*6.28)*(k=S(g+t)*300)+500,C(g)*k+500,20,20))

Mar 7 2018 4:10 PM UTC

}// 138/140

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