Top dweets by u/BackendForth

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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BackendForth

function u(t) {

c.width=1920
for(i=0;i<1920;i+=40)
for(j=0;j<1080;j+=40){
w=t
r=29*.9999**((i-C(w)*299-960)**2+(j-540-S(w)*299)**2)
x.fillRect(i+r,j+r,9,9)}

Jan 6 2018 11:38 PM UTC

}// 140/140

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BackendForth

function u(t) {

f=(a,b,r)=>{x.fillRect(a,b,r/2,r/2)
if(r>1){w=Math.log(r)*t
f(a+C(w)*r,b+S(w)*r,r/2)
f(a+S(w)*r,b+C(w)*r,r/2)}}
c.width=1920
f(960,540,248)

Dec 31 2017 10:34 PM UTC

}// 139/140

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BackendForth

function u(t) {

c.width=1920
x.moveTo(960,540)
  for(i=0;i<6.28;i+=.01)
  x.lineTo(270*C(i)+270*C(i*t*t)+960,270*S(i)+270*S(i*t*t)+540)
x.stroke()

Dec 29 2017 5:37 PM UTC

}// 131/140

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BackendForth

remix of d/22153 by u/BackendForth

function u(t) {

for(c.width|=0,q=1-2**-t,i=a=999;i--;)x.fillRect((i+t*q)*a%1920,i**i%a,9,9)
x.translate(a,k=540)
x.rotate(2+q)
x.fillRect(-k-t*99,0,a,150)

Mar 29 2021 4:25 PM UTC

}// 138/140

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Free at last! #suez #evergiven

u/erin

i'm sad, it was fun it being stuck
u/BackendForth

It was meme whose greatness was rivaled only by its cost :P

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BackendForth

function u(t) {

for(i=199;i--;x.fill()){x.beginPath()
x.fillStyle=R(i%3*128,0,0)
d=199-i-t*19%3
d>0?x.arc(960+S(t)*9*d,540+C(t*1.3)*(300-d),1999/d,0,7):0}

Feb 1 2018 2:12 AM UTC

}// 138/140

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u/magna

Awesome!

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BackendForth

remix of d/6537 by u/BackendForth

function u(t) {

c.width=1920
x.lineWidth=4
for(i=12;i--;x.stroke())for(j=14;j--;)x.fillRect(i*160+S(j%4*t)*80,j*80,80,80)

Jan 28 2018 2:40 PM UTC

}// 105/140

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Are these lines crooked?

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BackendForth

function u(t) {

c.width=1920
x.lineWidth=4
for(i=48;i--;)for(j=14;j--;x.stroke())x.beginPath(),x.moveTo(i*40,j*80),x.lineTo(i*40+160*S(t)*(j%2-.5),j*80+40)

Jan 27 2018 12:56 AM UTC

}// 139/140

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Does the space between rows look constant to you?

u/Qwitter

No but i know it is. Cool
u/joeytwiddle

very illusion. much optical

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BackendForth

function u(t) {

d=960
e=540
for(k=1;k<t*9;k++)for(i=-d*3;i<d*3;i+=9)r=.9**k,w=k/t,a=d+i*C(w)*r,b=e+i*S(w)*r,x.clearRect(a,b,8,8),x.fillRect(2*d-a,2*e-b,8,8)

Jan 7 2018 9:01 PM UTC

}// 140/140

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BackendForth

function u(t) {

for(i=0;i<99*t;i++){e=new Array(270)
for(j=0;j<270;j++)
{e[j]=i?(d[j]^d[j-1])|(!d[j+1]&d[j]&d[j-1]):!j
e[j]?x.fillRect(i*4,j*4,4,4):0}d=e}

Jan 3 2018 12:35 AM UTC

}// 138/140

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u/sigveseb

Rule 110?

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BackendForth

function u(t) {

x.fillStyle=R(S(t)*99+99,9,9)
for(i=0;i<1920;i++){x.fillRect(i,540+499*C(t)*f((i-t*44%1999)/99),1,5)
function f(a){return Math.pow(3,-a*a)}}

Dec 31 2017 2:37 PM UTC

}// 140/140

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