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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hope4tg

function u(t) {

function q(n){for(i=2;i<n;i++)if(n%i==0)return 0;return n>1;}for(w=0;w<37;w++)for(h=0;h<37;h++){if(q(h*37+w))x.fillRect(w*15,h*15,12,12)}

Dec 27 2017 6:02 PM UTC

}// 137/140

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Some prime number shenanigans. Sorry if this slows your browser down, it is not exactly an animation and I could not fit a clear in.

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cantelope

function u(t) {

eval(unescape(escape`𩡯𬠨𭰽𪐽𨰮𭱩𩁴𪁼👧🐮𝐻𪐭𛐻𮀮𩡩𫁬𤡥𨱴𚀨𚁁👍𛡡𭁡𫠲𚐨𦐽𤰨𬀽𠐨𩐬𩠩𚱴𚐪𩀬𦠽𨑛𪐥𜱝𚐫𜰩𚠳𜠰𛁍𛡡𨱯𬰨𚁘👃𚁰𚐪𩀩𛱈𚁘𛁙𛁚𚐩𚠳𝀰𛀹𛀹𚐩𨐽𦱩𛱷𛑧𛁩𙐲𛑧𛁩𙐵🱧𞠭𩱝𛁤🐨𢀽𚁍👍𨑴𪀩𛡨𮑰𫱴𚐨𩐽𨑛𚁩𚰱𚐥𜱝𛁦👡𦰨𪐫𜠩𙐳𧐩`.replace(/u../g,'')))

Jan 5 2025 11:20 PM UTC

}// 140/140

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360° equirectangular camera, inside a cube (view env: https://srmcgann.github.io/HDRI_explorer/?ur… )

u/cantelope

um. ok, turns out links are all messed up in the main topic. here's a short url: https://tinyurl.com/equiloop

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rodrigo.siqueira

remix of d/17508 by u/rodrigo.siqueira

function u(t) {

c.style='filter:invert(1'
for(X=Y=i=1e4*(t<6);i--;x.fillRect(960+900*X,560+300*Y,.1,1)){if(i%99==0)X=S(t*i**8)
Y=S(X)*+C(Y*2.4)*1.4}

Feb 8 2020 12:38 AM UTC

}// 132/140

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Link of Symmetry #bifurcation (Period-halving bifurcations leading to order, followed by period doubling bifurcations leading to chaos)

u/Xen

love it!

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katkip

function u(t) {

eval(unescape(escape`𮀮𫁩𫡥𥱩𩁴𪀽𜐰𞱦🐨𨰬𬐩🐾𮱸𛡢𩑧𪑮𤁡𭁨𚀩𞱸𛡳𭁲𫱫𩑓𭁹𫁥👣𛁸𛡡𬡣𚀹𝠰𛀵𝀰𛀱𜀰𚱴𚠷𜀬𭀪𝐫𬐬𜠫𭀪𝐫𬐩𛁸𛡳𭁲𫱫𩐨𚑽𞱩𩠨𩡲𨑭𩐥𞐽🐰𚑻𩠨𨁨𬱬𚀤𮰭𭀪𞐹𯐬𞐹𙐬𝐰𙐩𨀬𛐱𚐬𩠨𨀣𜀰𜁠𛀱𚐬𩠨𨁨𬱬𚀤𮱴𚠹𞑽𛀹𞐥𛀵𜀥𚑠𛀰𚑽`.replace(/u../g,'')))

Nov 30 2020 6:58 PM UTC

}// 138/140

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i tried to make an illusion but it didn't work

u/pavel

Here is how far I got with(x)for(k=8;k--;beginPath(fill(arc(960+6*o,540,k?k-7?300:2e3:200,a=30*t-o,++m*22/7+a,k%2))))m=k<1|k>6,o=m?0:[0,1,-1][k-1>>1],fillStyle=R(a=m?170:k%2<<8,a,a)
u/pavel

:)

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iverjo

function u(t) {

for(i=6e3;i--;)s=149/(i+200),p=i/97+t*2,c=S(p)*199+T(p)*19,x.fillStyle=R(c,y=99+c,y,.1),x.fillRect(2e3*(T(i/9)+s*t)%2e3,3e3*s-74,q=99*s,q)

Jul 21 2016 3:38 PM UTC

}// 138/140

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Go fullscreen and imagine that you are in a boat travelling to the left. Imagine that you are looking through a wet window, and notice the raindrops that are sliding down the window.

u/PhiLho

Nice! Actually, I see more Peter Gabriel's first solo album cover: http://www.soundstation.dk/images/products/l…
u/iverjo

#water

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ETHproductions

remix of d/2526 by u/eruonna

function u(t) {

t?c.width|=onkeyup=e=>{p=t;n++}:n=p=0
x.font='64px monospace';((u+`
`).slice(y=0,n)+'| '[(t-p)*2&1]).split`
`.map(r=>x.fillText(r,0,y+=64))

Aug 11 2018 3:00 PM UTC

}// 139/140

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Hacker typer, but the cursor resets when a key is pressed. Had to sacrifice the reset at the end...

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cantelope

function u(t) {

eval(unescape(escape`眽挮睩摴桼㴰㭴籼⡐㵁牲慹⡷⤮晩汬⠩⹭慰⠨瘬椩㴾⡻堺匨椩⨨猽椪椥㤶〩ⱙ㩃⡩⤪猬䄺匨椫ㄮ㘩⩩⼹㤬䈺䌨椫ㄮ㘩⩩⼹㥽⤩⤻倮浡瀨瘽㹻砮晩汬剥捴⠹㘰⬨瘮堫㵶⹁ⴽ瘮堯眩ⰵ㐰⬨瘮夫㵶⹂ⴽ瘮夯眩ⰹⰹ⥽⤻`.replace(/u(..)/g,"$1%")))

Dec 14 2018 6:58 PM UTC

}// 140/140

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u/katkip

Looks like an implosion

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ciaccodavide

function u(t) {

c.width|=1
for(Q.push((t*t*3e6)%1<.5),i=1296;i--;)
Q[i%~~(t+2)]&&x.fillRect(i%48*40,~~(i/48)*40,40,40)
}{Q=[]

Nov 24 2020 7:54 PM UTC

}// 109/140

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Pixel Patterns

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username

remix of d/11752 by u/username

function u(t) {

for(c.width|=m=0;x.rotate(C(t))||x.translate(S(t)*99,99)||m<999;x.fillStyle=`hsla(${++m**2},99%,34%,0.1`)a=942*S(t/m)**2,x.fillRect(a,a,a,a)

Jan 12 2019 4:34 PM UTC

}// 140/140

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swirl?

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vityavv

function u(t) {

c.width=1920
x.translate(910, 590)
for(q=20;q;q-=1){x.rotate(t/3)
x.fillStyle=R(0,255-12*q,0)
x.fillRect(-50*q,-50*q,100*q,100*q)}

Aug 6 2020 4:58 PM UTC

}// 130/140

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first post, surprised at how nice this looks (relatively)