Dweets awesomed by u/Qwitter

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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KilledByAPixel

remix of d/14752 by u/KilledByAPixel

function u(t) {

t%=1
c.width|=X=Y=Z=1
for(i=3e3;i--;x.fillRect(880+(a+t*X)*73,1200-(b+t*Z)*23,9,9))a=X-X*t,b=Z-Z*t,Z+=(X*Y-Z)/39,X+=(Y-X)/9,Y+=X*(27-Z)/90

Jan 25 2021 11:26 PM UTC

}// 138/140

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Animated #Lorenz Attractor Loop

u/KilledByAPixel

could be c.width|=t%=X=Y=Z=1

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Xen

remix of d/21448 by u/Xen

function u(t) {

onmousemove=e=>x.lineTo(e.x/.3,e.y/.3,x.stroke())

Jan 25 2021 7:10 PM UTC

}// 49/140

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49 another slight golf

u/Xen

*3 save 2 more bytes but not too exact sorry

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Qwitter

remix of d/21364 by u/Qwitter

function u(t) {

eval(unescape(escape`𤤽𜔳𜄫𞔪𤴨𜴪𭄩𞵸𛥦𪕬𫅓𭅹𫅥🔢𘴲𜤴𜔢𞵸𛥦𪕬𫅒𩕣𭄨𜄬𜄬𫔽𜥥𜴬𫔩𞴊𩥯𬤨𪴽𜥥𜤻𪴭𛔻𚕌🔱𚵓𚅴𚤷𚔯𝔬𪄽𪴫𭄬𤔽𤤪𚄲𚵃𚅨𚔪𣄩𛅰🕒𚥓𚅨𚔪𣄬𮄮𨵬𩕡𬥒𩕣𭄨𫔯𜤫𤴨𭄩𚥑𛄵𝄰𛕃𚄱𚔪𬄫𤴨𜔩𚥃𚅴𚔪𤔬𥴽𤤯𚄱𛤳𚥒𛕰𚔪𚤮𜴬𥴩𞴊`.replace(/u../g,'')))

Jan 25 2021 5:26 PM UTC

}// 137/140

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Pressurized Peace

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rodrigo.siqueira

remix of d/21434 by u/rodrigo.siqueira

function u(t) {

for(i=1080;i--;x.fillRect(a=t*120,i,2,.2-f(a/1000-1.3,i/990)))f=(X,Y,n=90)=>T(t*X)*S(Y)*2<2?f(X*X-Y*Y,2*X*Y+.7,n-=2):n/70

Jan 25 2021 2:54 PM UTC

}// 121/140

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Thorn forest #mandelbrot #fractal

u/Xen

Love it!
u/aaaaaz

#forest

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TGY

function u(t) {

eval(unescape(escape`昽攽㸲㔵⩍慴栮牡湤潭⠩㭴㵥㴾砮瑲慮獬慴攨愽攪挮睩摴栬攪挮桥楧桴⤻琨⸵⤻砮晩汬却祬攽刨〬昨⤬昨⤩㭸⹲潴慴攨⸳㔩㭸⹳捡汥⡹㴱⸰〱ⱹ⤻砮晩汬剥捴⡡⼹ⱹ㴭昨⤯㤬昨⤬ⴲ⩹⤻琨⴮㔩`.replace(/u(..)/g,"$1%")))

Jan 25 2021 11:25 AM UTC

}// 132/140

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thingie

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erin

remix of d/21439 by u/erin

function u(t) {

c.width=w=70;for(i=2800;i--;)x.fillRect(X=i%w,Y=i/w,X/15+1*C(Y/6.5)+C(X/7-5*t),1),x.fillStyle=`hsla(${U=i/9+S(t+i)*9},5%,50%,${C(U+i)+1})`

Jan 25 2021 2:15 AM UTC

}// 138/140

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Pulsar v2

u/andrea270872

very cool. It makes me thing of some retro tv intro, like from Dr Who! Great

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erin

remix of d/21430 by u/erin

function u(t) {

c.width=w=70;for(i=2800;i--;)x.fillRect(X=i%w,Y=(i)/w,X/15+1*C(Y/7)+C(X/7-5*t),1)

Jan 25 2021 1:52 AM UTC

}// 81/140

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Pulsar

u/erin

no fuckin clue how i got this in 81 characters
u/Qwitter

if you send a single pixel across the screen at this resolution (70) like fillRect(X+t,,1,1,1) you can see how the canvas has a smoothing effect by slowly pouring the alpha = 255 value between the pixels
u/magna

76: c.width=w=70;for(i=3e3;i--;)x.fillRect(X=i%w,Y=i/w,X/15+C(Y/7)+C(X/7-5*t),1)
u/danny@hille.dk

drip drip -> c.width=w=70;for(i=3e3;i--;)x.fillRect(Y=i%w,X=i/w,X/14+C(Y/11)+C(X/7-t*8),1)

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Qwitter

remix of d/21382 by u/Qwitter

function u(t) {

eval(unescape(escape`𭴽𨴮𭵩𩅴𪄽𝤴𞵣𛥳𭅹𫅥𛥦𪕬𭅥𬤽𘥣𫵮𭅲𨕳𭄨𞔹𚕩𫥶𩕲𭄨𘤻𮄮𩥩𫅬𤵴𮕬𩔽𘤣𝥢𝔢𞵦𫵲𚅩🔲𜴰𝄻𪔭𛔻𮄮𩥩𫅬𤥥𨵴𚅘🕩𙕷𛅙🕩𛵷𛄱𛄱𛤲𚥃𚄵𚥴𚴮𜔪𚅘𛔳𜤩𚤪𜤭𛤳𚤨𦔭𜔸𚔪𚤲𚔩𚔻`.replace(/u../g,'')))

Jan 25 2021 12:30 AM UTC

}// 118/140

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Ginger Bakers Dozen

u/Xen

nice

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rodrigo.siqueira

remix of d/21425 by u/Pascal

function u(t) {

for(j=9;j--&&t<2;)for(i=600;i--;x.fillRect(a=t*60+j*200+99,i+240,2,f(a/2400-.6,i/900+.2)))f=(X,Y,n=80)=>Y<n?f(X*X-Y*Y,2*X*Y+.7,--n):n/80

Jan 24 2021 11:20 PM UTC

}// 136/140

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#fractal flowers #default

u/Qwitter

Yes! - also, great way to keep general audiences interested in watching the longer calculations unfold, thanks.

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Qwitter

remix of d/21395 by u/Qwitter

function u(t) {

w=c.width=64;for(i=2304;i--;x.fillRect(X=i%w,Y=i/w^0,1,.7*C((X**2+Y**2)**.5-15*t)+.7*C(((X-32+S(t)*32)**2+(Y-18+C(t)*9)**2)**.5-15*t)));

Jan 24 2021 11:06 PM UTC

}// 137/140

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Interference

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