Dweets awesomed by u/wwickedwicked

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: #ScaryMovies

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wwickedwicked

function u(t) {

v=480;m=Math;c.width=v*4;a=m.floor(t);x.fillStyle=R(S(t)*v,t*v);for(i=0;i<6.3;i+=.002)x.fillRect(v*2+S(i)*S(i*a)*v,592+C(i)*S(i*a)*v,9,9)

Sep 23 2021 6:10 PM UTC

}// 137/140

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Osciflowers 2

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wwickedwicked

function u(t) {

if(t%9<.1){c.width=1920}
a=((t-t%9)/9)+1
x.fillRect(960+S(t)*S(t*a)*256,720+C(t)*S(t*a)*256,9,9)

Sep 16 2021 7:49 PM UTC

}// 96/140

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Osciflowers.

u/wwickedwicked

'a' increments every 9 seconds and starts with a circle

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tato

remix of d/23865 by u/tato

function u(t) {

for(i=0;i<960*t;i++){Z=240
x.fillStyle=R(Z*S(t*7),Z*S(t*2),Z)
X=540*(1+C(t+i/Z*(1+C(t))))
W=32
x.fillRect(i,X,W,W)
x.fillRect(1920-i,X,W,W)}

Sep 16 2021 7:47 PM UTC

}// 140/140

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stripes 4

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rodrigo.siqueira

remix of d/23860 by u/taupelink

function u(t) {

for(i=k=999;--i;x.fillRect(700-i*Y,k+v*i,19*q*X*v,Y*i*v))f=i*t,X=f%3-1,Y=X*f%7-2,x.fillStyle=R(q=i*X/t,q*=X/t,q*=Y**3*3*q/i/X,i/q/q),v=.5**t

Sep 16 2021 3:34 PM UTC

}// 140/140

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Way to the Fog City #city

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TGY

remix of d/23833 by u/TGY

function u(t) {

for(i=2e3;i--;x.fillRect(i,99+t*89+a*89,9,5))
x.fillStyle=R(l=15*t+40,l,2*l+40*(a=2*C(i/199-2*S(t))))

Sep 15 2021 8:34 PM UTC

}// 101/140

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#windows11

u/donbright

i like the colors

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tomxor

remix of d/20405 by u/tomxor

function u(t) {

eval(unescape(escape`𭀿𨰮𭱩𩁴𪀽𭰽𝠴𞡘👙👚👒🐵𞱦𫱲𚁡👓𚁒𚐬𨠽𠰨𤠩𛁰🐳𩐳𞱰𛐭𞱘𛐽𪰪𨐬𦠭👫𚡢𛁙𚰽𪰪𠠬𤠭👫𚡁𛁸𛡦𪑬𫁒𩑣𭀨𬀥𭰬𬀯𭰬𜐬𜠭𝀯𩀩𚑦𫱲𚁁👰𙑷𛰳𜠭𜐬𠠽𬀯𜑥𜰬𩀽𜐻𚁘𚱤𚡁𚡢𛑤𚡡𧡙𚱤𚡂𧡚𛑤𚡁𚡡𛑤𚡢𚐥𜐵🠱𞱤𚰽𛠱𚑫🐱𩐭𝀭𜱥𛐴𛱤𛱤`.replace(/u../g,'')))

May 28 2021 12:53 AM UTC

}// 140/140

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Descending a #minecraft cave

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u/tomxor

Significantly faster in Firefox! #raymarching
u/tomxor

Seriously, it's like 30x faster, this is going to be my test case for fixing Dwitter perf
u/KilledByAPixel

Wow! 🤯 Runs great in capjs ;) Though I did need to disable loop protect to get the full render.
u/DataMeta

this is insane
u/Xen

love it!
u/yonatan

you've outdone yourself!
u/13thptr

Speechless.
u/rep_movsd

I cant even!
u/rodrigo.siqueira

As @aemkei said: "This piece is insane!" https://twitter.com/aemkei/status/1398235717…
u/DaSpider

Wait. What?
u/tomxor

Woooo perf fixes are merged! :D Big shout out to u/LionLeaf and u/KilledByAPixel for working through this with me. Keep an eye out for issues and let us know on discord if you spot any regressions.
u/jellyedwards

That's incredible!
u/donbright

:o

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pavel

remix of d/18074 by u/pavel

function u(t) {

c.width|=f=(X,Y,d,z=2+X*S(a=Y-4*t))=>d>>8?x.fillRect(960+1e3*X*C(a)/z,540+1e3*Y/z,6,6):[t,t+2,t+4].map(i=>f(X+C(i)/d,Y+S(i)/d,2*d));f(0,0,2)

Mar 28 2020 3:27 AM UTC

}// 140/140

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#sierpinski dance

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u/sigveseb

Very clean!
u/DataMeta

So smooth!
u/aleamb

wow! very smart code!
u/lionleaf

What an amazing dweet. And little did you know I had already planned #dancing as the theme for April. You were ahead of the times :D
u/joeytwiddle

Nice! Here is a dirtier, underrated relative: d/13611
u/Qwitter

looks glossy!
u/vain

Very nice and smooth 3D rotated and transformed sierpinski

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KilledByAPixel

function u(t) {

eval(unescape(escape`琿昫⬺⡦㴰ⱁ㵛崬䅛㈴そ㴱⤻春㔴㼰㩲㵍慴栮牡湤潭⠩⨲㔵簰㭦潲⡡㵩㴰㭩㰴㠰㭁孩崽爦㈪⨨㐪愫㈪⡡㴡⅁孩崩⬡⅁孩⬫⬱崩⥸⹦楬汓瑹汥㵒⡶㴲㔵⩡ⱶⱶ⤬砮晩汬剥捴⡩⨴ⱦ⨴┱〸〬㐬㐩㭴桲潷•創汥•⭲`.replace(/u(..)/g,"$1%")))

Jul 20 2019 4:03 AM UTC

}// 139/140

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1D Cellular Automata with Random Rules

u/KilledByAPixel

#Automata
u/katkip

Awesome!

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yonatan

remix of d/9345 by u/yonatan

function u(t) {

f=f=>(f(i)+f(z=i**.5)+f(t))*i/15-w
for(x[r='fillRect'](e=C(t),w=-600,i=2e3,i);i--;x[r](f(S)-e*w,f(C),z,z))x.fillStyle=R(q=(3-C(e-i))**4,q,q)

Aug 26 2018 9:07 PM UTC

}// 140/140

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u/f8f82804

#shading
u/joeytwiddle

Very cool! #lighting
u/firegodjr

Amazing!
u/DataMeta

Shader w/o compression is massively impressive
u/aleamb

incredible..
u/lionleaf

Very impressive! #d3 #snail #light
u/iverjo

Wow!
u/vain

stunning!

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FireFly

remix of d/3005 by u/FireFly

function u(t) {

for(i=5e3;Z=(i--%4>1)+i/128;i%4||x.beginPath(x.fill()))X=i%128+2>>2,x.fillStyle=R(Y=S(X*X/32+Z*Z/32-X-Z-t*6)*80+99),x.lineTo(X*60,Z*35-Y)

Aug 3 2017 9:03 PM UTC

}// 137/140

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Ripples! With proper quads instead. Add +Z*X-Z*16 after X*60 for perspective projection too (brings it up to 146)

u/FireFly

Another byte can be saved with with(x), but this causes a fair bit of slowdown for me. Thanks for some golfing tips from qfox and others on the jsgolf slack :)
u/cantelope

can't stop watching. def in my top 10 favs
u/iverjo

Very impressive!

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