Random dweets | Dwitter

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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Current theme challenge: #Food

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jczimm

remix of d/20354 by u/jczimm

function u(t) {

w=(c.width+=0)/4
for(i=110;i--;)x.fillStyle=R(i*8,i*2,60),x.fillRect(w+w*.6*(i%2*2-1)*(S(i-4.8)*S(t+5)**2),w+w*S(i*.3232)*C(i),40,60)

Oct 22 2020 7:56 PM UTC

}// 133/140

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lars-erik

remix of d/22578 by u/lars-erik

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼👺🐵𝀰𒡦🐨𫠩🐾𞐶𜀫𮠪𠰨𫠯𞐩𚱺𚡃𚁮𚐊𩰽𚁮𚐽🠵𝀰𚱺𚡓𚁮𛰹𚐫𮠪𤰨𫠩𒡦𫱲𚁩🐶𝀻𪐭𛐻𮀮𩡩𫁬𚀩𚑢👴𚡩𛰶𛁸𛡬𪑮𩑔𫰨𩠨𨐽𨠫𭀩𛁧𚁡𚐩𯀨𮀮𩡩𫁬𤱴𮑬𩐽𤠨𬠽𤰨𭀩𚠲𝐵𛁃𚁴𚐪𜠵𝐬𬠬𛠰𜐩𚐻`.replace(/u../g,'')))

Apr 21 2021 10:36 PM UTC

}// 126/140

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#WaitForIt 2 #KeepsOnGiving - 🐱‍💻🤯 (anyone for filling it with a gradient?)

u/lars-erik

Uncompressed: c.width|=z=540 f=(n)=>960+z*C(n/9)+z*C(n) g=(n)=>540+z*S(n/9)+z*S(n) for(i=64;i--;x.fill())b=t*i/6,x.lineTo(f(a=b+t),g(a))|(x.fillStyle=R(r=S(t)*255,C(t)*255,r,.01))

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sawaxon

function u(t) {

c.width=1920;x.font='120px Menlo';for(j=0;j<10;j++)for(i=0;i<40;i++)x.fillText(String.fromCharCode(T(i*j+t*5)/999+11000),i*80-80,100+j*120)

Feb 28 2017 12:45 PM UTC

}// 140/140

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Joaozin003

function u(t) {

x.fillStyle=`hsl(${t*57.296} 100 50)`;x.fillRect(t*305.578-10, 530+270*S(t),10,10)

Mar 22 2024 5:22 PM UTC

}// 82/140

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sine wave (my first dweet)

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donbright

remix of d/1283 by u/sfz

function u(t) {

c.width=960;i=t*t;j=19968+i;j>40959?s="fin":s=String.fromCharCode(j),x.font="500px Arial";x.fillText(s,250,450);x.fillRect(0,0,50,i*.026);

Feb 25 2017 3:29 AM UTC

}// 138/140

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Basic Unicode Chinese Character block 4E00–9FFF, (this is not all Chinese characters!). Progress bar on the left.

u/donbright

approx 20,900 characters
u/lionleaf

Wow! I mean, I know there are lots, but this just makes it seem incredible. To be fair I guess scrolling through and english dictionary would look pretty cool too (even though it's not quite the same)
u/Kalanchoe

oh, wow! I love it
u/donbright

thx
u/donbright

#unicode

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Taco

function u(t) {

for(i=1000; i--; r=Math.random()); x.fillStyle=R(r*T(t),10,100);x.fillRect(S(r)*1000*S(t), C(r)*1000*S(t), 10,10);

Feb 25 2025 8:17 PM UTC

}// 115/140

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tomxor

remix of d/23544 by u/pavel

function u(t) {

for(a=Math.abs,c.width&=i=4352;X=1-(T+i/32)%2,Y=--i/2e3;x.fillRect(X*r+64*T,Y*r+96-64*a(S(t)),T=a(2-t%4)+1,(i^i/64)/8&1))r=64/(--Y*Y+X*X+1)

Aug 13 2021 12:57 AM UTC

}// 139/140

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Smoother #Amiga #Ball

Show more comments…
u/tomxor

..But less authentic. Remaps the pixel positions rather than texture, which gives "free" antialiasing, with spare space to correct the spin.
u/pavel

Oh yeah, nice. This is definitely a better way of doing it. The other mapping has an incorrect center that I have to waste characters to correct.
u/pavel

-2 char using S(t%3.14) to bounce and inlining the single Math.abs call
u/danny@hille.dk

What a clever trick, using modulus pi of t, to only get the positive part of the sinus curve
u/danny@hille.dk

3.2 works fine, while 3 and 3.1 looks wrong
u/danny@hille.dk

test code: c.width|=0,x.fillRect(o=860,o-S(t*4%3.2)*o,200,200)

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BirdsTweetCodersDweet

function u(t) {

x.rotate(0.5)
for(i=1e3;i--;)x.fillRect(50*i+S(t/100)*9e3-9e3,-2e3,25,4e3),x.fillStyle=R(i*50%255,i/20%255,i%255)

Apr 1 2018 3:25 PM UTC

}// 113/140

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Whoa, what...

u/BirdsTweetCodersDweet

Accidentally got this when playing around with d/7539, which is what I meant to post :D
u/BirdsTweetCodersDweet

d/7540, that is.

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andrea270872

remix of d/12707 by u/rsrsrs

function u(t) {

for(c.width|=i=50,k=75;i--;x.rect(960-(i*k/2),540-(i*k/2),i*k,i*k))x.setTransform(1,0,0,1,500,250)*x.rotate(S(1+i*t/500));x.fill('evenodd')

Mar 9 2019 7:31 PM UTC

}// 139/140

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a more centered rotation (perhaps :> )

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Pascal

remix of d/21403 by u/danny@hille.dk

function u(t) {

c.width=w=70;for(i=2800;i--;)x.fillRect(X=i%w,Y=(i-X)/w,0<T(T(S(X/7+5*C(t))+S(Y/7-5*t))),1)

Jan 24 2021 2:39 PM UTC

}// 91/140

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noisy donuts

u/danny@hille.dk

Mmmmm donuts
u/Xen

nicely done