Top dweets by u/geb

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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geb

remix of d/20948 by u/rodrigo.siqueira

function u(t) {

for(i=2e4;i--;f(t,c=3,390,i))
f=(w,h,q,d)=>q>99?f(h+q*C(C(d)+d),w+q*S(d),q/c,T(d+t)/c):
x.fillRect(w+1e3+1e4*(i%c),h+550,.9,t<c)

Dec 10 2020 12:04 PM UTC

}// 128/140

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geb

remix of d/14331 by u/pavel

function u(t) {

r=(t&&2+r)**.5;throw p=t?2*p/r:4

Jun 28 2020 7:12 PM UTC

}// 32/140

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happy τ day

u/DaSpider

Nice continued fraction! I would spend 4 characters more to have it displayed correctly, though. r=(t&&2+r)**.5;throw(p=t?2*p/r:4)/2

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geb

remix of d/14655 by u/taupelink

function u(t) {

t||(a=[[]],r=k=0)
a[r][k]=k%r?((a[r-1][k-1]+a[r-1][k])%2):1
r<17&&x.fillRect(930-60*r+120*k,60*r+60, a[r][k]*59,59)
++k>r&&(a[++r]=[],k=0)

Jun 28 2020 12:24 PM UTC

}// 138/140

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pascals triangle modulo 2 #sierpinski

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geb

remix of d/10293 by u/f8f82804

function u(t) {

with(x)for(i=c.width=396;i--;fillText('lol',99*(i?2+T(i%47+t):1),72*(i?2+T(t-i):3)))i||(font='5cm a',globalCompositeOperation='source-atop')

Oct 9 2018 6:05 PM UTC

}// 140/140

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geb

remix of d/10222 by u/E-Mouse

function u(t) {

f=500
x.beginPath()
c.width|=
x.stroke()
for(i=f;--i;)
x.lineTo(C(k=i-t)*900+900,C(k=i^t/3)*f+f)
x.fill("evenodd")

Oct 2 2018 9:59 PM UTC

}// 114/140

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u/donbright

this stuff would be much cooler if i had a faster machine i think
u/Purpzie

are you saying that WE COULD HAVE DONE c.width|= ON ITS OWN LINE THIS WHOLE TIME INSTEAD OF c.width
u/Purpzie

*c.width|=0
u/magna

That's effectively c.width|=x.stroke()

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geb

remix of d/8963 by u/Agnes

function u(t) {

F=n=>{return T(n*n)<22/7}
x.drawImage(c,0,l=10)
for(j=214;j--;)x.fillStyle=F(j^t*60)?"#000":"#666",x.fillRect(j*l,0,l,l)

Jul 30 2018 2:53 PM UTC

}// 120/140

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tan(n*n) < PI

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geb

remix of d/20799 by u/geb

function u(t) {

for(i=3e3,c.width|=f=g=>t+99*(t|1<<g(i)+g(2*i+t))*g(V=(i/5)+t);i--;)x.arc(960+f(C),540+f(S),9,0,1);x.stroke(),c.style='filter:invert('

Nov 25 2020 10:56 AM UTC

}// 134/140

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u/magna

Stylish!

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geb

remix of d/20393 by u/ciaccodavide

function u(t) {

P=21*C(S(T(t)))
for(K=0;K<960/P;K++)x.fillStyle=R(g=9*Math.random()*K,(t*10)%255),t,
x.fillRect(K*P,0,1920-P*K*2,P)
x.drawImage(c,0,P)

Oct 26 2020 4:12 PM UTC

}// 134/140

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i see faces in the middle

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geb

remix of d/19353 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`sepia(`
for(var i=5e3;i--;f(960,610,260,t*i))f=(X,Y,s,r)=>s>55?f(X-s*S(r),Y-s*C(r),s/2,1/C(t+i)-1/r):x.fillRect(X,Y,t<7,.3)

Jul 9 2020 8:51 PM UTC

}// 139/140

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geb

remix of d/19271 by u/geb

function u(t) {

eval(unescape(escape`𩠽𚁘𛁙𛁲𛁤𚐽🡻𪑦𚁤🠹𚑸𛡢𩑧𪑮𤁡𭁨𚀩𛁸𛡬𪑮𩑗𪑤𭁨🐹𛁸𛡭𫱶𩑔𫰨𦀬𦐩𛁸𛡬𪑮𩑔𫰨𦀫👃𚁲𚐪𩀬𦐫👓𚁲𚐪𩀩𛁸𛡳𭁲𫱫𩐨𚐬𩠨𦀯𤰨𭀩𛁙𛱓𚁴𚐬𭀫𬠬𩀪𛠹𚑽𒡦𫱲𚁣𛡷𪑤𭁨𯀽𬠽𞐻𬠭𛐻𚑦𚀹𝠰𛀵𝀰𛁲𚠶𛠳𛰹𛀵𝐰𚐻`.replace(/u../g,'')))

Jun 28 2020 4:19 PM UTC

}// 131/140

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