Dweets awesomed by u/magna

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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KilledByAPixel

remix of d/5737 by u/magna

function u(t) {

for(c.width=64,j=i=2304;i--;x.fillRect(i%64,i>>6,1,1))x.fillStyle=R(S(S=_=>i%T(j++%(q=t+4|0)*q+T(t/1e3))*255),S(),S())

Apr 25 2020 8:22 PM UTC

}// 118/140

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Light Show #glitch

u/tomxor

#crt ? I don't even see the code any more... all I see is trinitron, triad, inline mask...

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KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑴𚠽𝠰𜀬𬱨𨑤𫱷𠱯𫁯𬠽𙰣𜠲𜠧𛁳𪁡𩁯𭱂𫁵𬠽𜰰𚱓𚁴𚠪𝐩𚠲𝐬𬡯𭁡𭁥𚁡👓𚁴𚐯𜠵𚐬𩡩𫁬𤡥𨱴𚀲𩐳𛑴𛁙🐱𩐳𛑴𚠹𙐱𜠰𜀬𤰨𭀪𚠳𚐪𝐹𚰲𜠰𛁓𚁴𚠪𝀩𚠵𞐫𜠲𞐬𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀤𮰨𦐭𭀩𛰸𯐬𝰹𙐬𙁻𝐰𚰹𚡓𚁴𚡴𚑽𙑠𚐬𬡯𭁡𭁥𚀭𨐩`.replace(/u../g,'')))

Apr 24 2020 2:58 PM UTC

}// 140/140

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Stacked Rainbow Rectangles - https://codepen.io/DonKarlssonSan/pen/NWGbvmg

u/rodrigo.siqueira

Color sticky notes Post-it board
u/DataMeta

Wallpaper worthy
u/Xen

love it!

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BriSeven

remix of d/18368 by u/veubeke

function u(t) {

π=3.14
T=(x)=>π-(.5*x/π%1)*π*2
c=(x)=>(y=(x*x)**.5,16*x*(π-y)/(5*π*π-4*y*(π-y)))
x.fillRect(950,540,c(T(t+π/2))*300,c(T(t))*300)

Apr 24 2020 2:46 PM UTC

}// 128/140

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Bhaskara's Sine Approximation Formula #circlechallenge

u/BriSeven

what's kinda weird is the value of pi doesn't seem to matter much, it still makes a great looking circle.

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jylikangas

function u(t) {

c.width=-1
for(k=i=150;i--;)x[f="strokeRect"](i%6*64,i/5<<6,-37,i&3?40:20)
for(;i++<k;x.rotate(11/7))x[f]((i*32+t*k)%620-300,(i/2<<5)-k,9,4)

Apr 24 2020 1:34 PM UTC

}// 140/140

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City Traffic Simulator

u/katkip

#city #simulation
u/tomxor

Nice! deserves some remix :)
u/Xen

nice
u/KilledByAPixel

🚗

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iverjo

remix of d/397 by u/iverjo

function u(t) {

for(i=960;i--;)x.fillRect(960+530*S(d=i/42)*S(b=63*i+t),(540+530*C(d)),s=5/(S(d)*C(b)+1.2),s)

Apr 24 2020 12:12 PM UTC

}// 93/140

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#circlechallenge

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iverjo

remix of d/1281 by u/iverjo

function u(t) {

for(i=24;i--;)x.fillRect(960+22*i*C(a=t*i/8),520+22*i*S(a),b=20+i,b)

Apr 24 2020 11:51 AM UTC

}// 68/140

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#circlechallenge

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katkip

function u(t) {

x.font=`420cm"`+x.fillText(`.`,-264,944)

Apr 24 2020 10:23 AM UTC

}// 40/140

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#circlechallenge

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katkip

function u(t) {

t?0:c.outerHTML=`<svg height="300" width="300"><circle cx="150" cy="150" r="150" fill="#f00"/></svg>`;

Apr 24 2020 10:20 AM UTC

}// 102/140

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working #svg #circlechallenge visible on HC theme

u/donbright

clever

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pavel

function u(t) {

f=(X,y,r=80,a=0)=>r>6&&[0,.4,-.4,0].map(o=>o?f(X+r*S(a)*C(X*y/4e4+t),y-r*C(a),r*.8,a+o):x.lineTo(X,y));c.width=640;f(320,360);x.stroke()

Apr 24 2020 8:23 AM UTC

}// 136/140

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Rotating #tree #fractal

u/pavel

Inspired by https://twitter.com/ntsutae/status/125356447…
u/neimad

You should do a twitch channel. amazing.
u/ntsutae

I’m honored.
u/pavel

u/ntsutae :O I love your stuff on twitter! 素晴らしですよ
u/vain

Great 3D version !!

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pavel

function u(t) {

for(c.width|=f=(k,n=9)=>n&&C(n**.9*k)/n+f(k,n-1),x.translate(h=960,i=0);i++<h;x.fillRect(r=h/z,r,-2*r,9/z/z))z=i/42,x.rotate(f(z+3*t)/180)

Apr 24 2020 2:49 AM UTC

}// 138/140

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https://twitter.com/ntsutae/status/121468374…

u/Xen

sexy lines
u/pavel

It seems like Safari plays dweets significantly slower until you tap on them... Giving the iframe focus increases the request animation frame rate.
u/katkip

very sexy

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