Top dweets of all time

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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ersagun

remix of d/18449 by u/ersagun

function u(t) {

t?x.rotate(Math.PI*(5**.5-1),x.fillRect(0,0,.5,399)):x.translate(960,540)

Jun 6 2020 7:49 AM UTC

}// 73/140

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nburn42

remix of d/19043 by u/nburn42

function u(t) {

if(!t) x.fillRect(0,0,2e3,2e3)
for(j=1,m=x.getImageData(0,0,2e3,1e3),g=m.data;j<8e6;j+=48+g[j])g[j]=255-g[j]
x.putImageData(m,0,0)

Jun 5 2020 3:31 AM UTC

}// 130/140

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u/pavel

If you declare your vars you can't get this to run reasonably well t||x.fillRect(0,0,w=2e3,w);let j=1,m=x.getImageData(0,0,w,w),g=m.data;for(;j<8e6;j+=48+g[j])g[j]=255-g[j];x.putImageData(m,0,0)
u/pavel

you can** get this to run
u/nburn42

Sweet, thanks
u/nburn42

Your code doesn't grab the data every frame, it didn't even cross my mind to only do it once.
u/joeytwiddle

Or just run it in Firefox ;-)

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nburn42

remix of d/19043 by u/nburn42

function u(t) {

x.fillRect(0,0,2e3,2e3)
for(j=t%8e6,m=x.getImageData(0,0,2e3,1e3),g=m.data;j<8e6;j+=5+t)g[~~j]=255-g[~~j]
x.putImageData(m,0,0)

Jun 5 2020 3:02 AM UTC

}// 127/140

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Turns on the fans on my laptop

u/joeytwiddle

#heavy

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lw0

function u(t) {

c.width=990 // clear the canvas
for(i=0;i<2;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

Jun 3 2020 8:15 PM UTC

}// 111/140

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test

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bandaloo

remix of d/18968 by u/bandaloo

function u(t) {

i=~~(t*9);j=~~(i/44);k=i%44;x.fillStyle=`hsl(${(k&j)*i},40%,${50+C(t)*10}%`;x.fillRect(k*48,0,48,1);x.drawImage(c,0,k)

Jun 1 2020 11:22 PM UTC

}// 118/140

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stripes on stripes

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Xen

function u(t) {

t?x.fillStyle='#'+frame:x.scale(1.5,1.9)
x.drawImage(c,1,!x.fillText(t,t,t))

May 29 2020 10:18 AM UTC

}// 76/140

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just a test

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amnesiadreamer

function u(t) {

c.width=1920
for(i=0;i<t;i++)
x.fillRect(400+i*10+S(T(t))*30,i*T(i*t*5),S(t)+T(t*100),i*t)

May 28 2020 3:04 AM UTC

}// 90/140

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spectral spike trawl

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nburn42

remix of d/18982 by u/cshadows

function u(t) {

for(let i=2e3,f=(X,Y,n=5)=>Y?f(X*X/n-Y*Y,n*X*Y-X,n+.2):x.fillStyle=`hsl(${n*t*n},100%,50%`;i--;x.fillRect(i,t*90,1,100))f(i/490-2,1-t/6)

May 27 2020 9:28 PM UTC

}// 136/140

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Xen

remix of d/18975 by u/Xen

function u(t) {

for(i=2e3;i--;x.fillRect(i,0,1/3,9))x.fillStyle=`hsl(${t**7&i^t*99},95%,${C(i+t)*S(t*t)*i}%`;x.drawImage(c,0,9)

May 27 2020 12:56 PM UTC

}// 111/140

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_-{Skan}-_ v0.6 (we bringing 88back)

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Xen

remix of d/18974 by u/Xen

function u(t) {

for(i=2e3;i--;x.fillRect(i,0,9,i/99))x.fillStyle=`hsl(${(t*t)%99},95%,${h=C(i)*S(t*t)*999}%`;x.drawImage(c,0,9)

May 27 2020 12:48 PM UTC

}// 111/140

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_-{Skan}-_ v0.5