Dweets awesomed by u/Volfegan

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: #Opposites

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KilledByAPixel

function u(t) {

for(w=c.width&=i=10368;i--;S[i]=S[i]+C[i]/4||0)x.fillRect(i%w,i/w,1,C[i]=T(i*i*t)>1e5?9:C[i]*.9-(4*S[i]-S[i-1]-S[i+1]-S[i-w]-S[i+w])/5||0)

May 30 2021 9:39 PM UTC

}// 138/140

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Water Ripples 💧

u/aleamb

#water
u/KilledByAPixel

more golfed... for(w=c.width&=i=10368,R=R-1?1:w;i--;S[i]=S[i]+C[i]/4||0)x.fillRect(i%w,i/w,1,C[i]=T(i*t)>5e4?9:C[i]*.9-(2*S[i]-S[i-R]-S[i+R])/3||0)
u/tomxor

#automata (von-neuman outer-totalistic r=1)
u/KilledByAPixel

another byte saved... for(w=c.width&=i=10368,R=R-1?1:w;i--;S[i]=S[i]+v/4||0)x.fillRect(i%w,i/w,1,v=C[i]=T(i*t)>5e4?9:C[i]*.9-(2*S[i]-S[i-R]-S[i+R])/3||0)
u/vain

cool 2d water drop fx

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KilledByAPixel

remix of d/2337 by u/codeslaw

function u(t) {

for(i=213;i--;)t?x.fillText([...'🟨🟧🟥⬜⬛🟦🟩🟪🟫'][(t*60+d%1e6|i)%9],i*9,t*540):d=Date.now()

May 30 2021 9:31 PM UTC

}// 86/140

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Sierpinski Tapestry Generator 🧶

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taupelink

remix of d/22895 by u/taupelink

function u(t) {

r=997*t;e=4**(r*r%3+3);X=e*r%9;Y=X*r%4;x.fillStyle=R(e**(a=1+C(Y*.8)),e*a,e/a,1/t);x.fillRect(X*250,Y*400,-5*e*.8**t,-5e4/e*.9**t)

May 30 2021 5:17 PM UTC

}// 130/140

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d/22905

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kmoseni

remix of d/22584 by u/contone

function u(t) {

c.width|=0;t=S(t)
for(i=2e3;i--;)
x.fillStyle=`hsl(${i},99%,55%)`,
x.fillRect(960+S(u=i/9)*i,(u+S(9*t-i/4))*20+51,17*S(t),17/T(t))

May 27 2021 10:43 PM UTC

}// 130/140

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Tangents for teleportation?

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rodrigo.siqueira

remix of d/22870 by u/rodrigo.siqueira

function u(t) {

Y=c.width|=c.style.filter=`invert(.1`
for(X=960;X--;x.lineWidth=3)
x.lineTo(460+X+C(Y)*S(t)*88,Y=540+S(X)%C(X)*300**C(X/200-t))
x.stroke()

May 27 2021 1:40 PM UTC

}// 138/140

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Spatiotemporal evolution of soliton pulse formation #wave

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magna

remix of d/22870 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`睩瑨⡸⥻景爨眽挮睩摴桼㵣⹳瑹汥⹦楬瑥爽恩湶敲琨怬獴牯步却祬攽晩汬却祬攽刨眬〬眩㭷ⴭ㬩汩湥呯⡷ⰵ㐰ⵃ⡦牡浥⽷⭴⤪眥匨眯㌲⵴⤪㈵〪匨琫眯㌸⤩ⱦ楬汒散琨〬䵡瑨⹲慮摯洨⤪⨴⩷ⱷⰮㄩ㭳瑲潫攨⥽`.replace(/u(..)/g,"$1%")))

May 26 2021 11:00 PM UTC

}// 139/140

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Oscilloscope edition

u/magna

#glitch
u/tomxor

Nice #oscilloscope

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joeytwiddle

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡣⹷楤瑨簽椽ㄲ㭩ⴭ㭦楬汒散琨〬〬椽㴹㼱㈺ⴶⱱ㽩㸹㼴㨱㨭㈲⤩獥瑔牡湳景牭⠹ⰰⱱ㵩㸸ⰹⰵ〰⬴〪椪⠳⵱⤬焿㐰〭㍥㐯琪⨳㨶㐰⤬愽琭椯㌬氽椼㌿ㄮ㔺椼㠿㈮㠭⸴⩩㨰Ⱳ潴慴攨愾〦♓⡡㱬㽡㩬⤩`.replace(/u(..)/g,"$1%")))

May 26 2021 10:39 PM UTC

}// 140/140

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#default #dominoes #dominoesnt #dealwithit

u/erin

noooo
u/tomxor

XD

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Odog8

function u(t) {

c.width+=0
R=(x,y,z)=>[C(t)*x+S(t)*(C(t)*z-S(t)*y),C(t)*y+S(t)*z]
for(i=2e3;i--;x.fillRect(I[0]+500,I[1]+500,7,7))I=R(i%10*20,i%200,i/10)

May 26 2021 4:28 PM UTC

}// 137/140

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3d rotation formula, idk what to do with it so you guys can figure it out xd

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maakbay

remix of d/5864 by u/jayrhacker

function u(t) {

w=32
cw=c.width=1080
ch=c.height
for(i=0;i<cw/w;i++){x.fillStyle=R(0,128,256*S(t))
x.fillRect(i*w,ch/4-C(4*t*2+(i*3))*50,w,ch/2)}

May 26 2021 7:38 AM UTC

}// 129/140

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u/andrea270872

nice. reminds me of a "loading" animation...
u/Xen

Welcome to the dwitter family!

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rep_movsd

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪁼👪🐰𛁅👛𨐽𜠮𝠬𝀶𛀲𛠸𛀶𝀬𛐱𛠴𝰬𣰽𞐸𛀮𝀬𣰬𛠶𜠬𣰬𛐱𛠴𛀶𝀬𨐬𝀶𧐻𚁪𚰽𜐮𜀵𚐼𝰻𮀮𩡩𫁬𤱴𮑬𩐽𤠨𜠵𚡪𚐬𮀮𩡩𫁬𚀩𚑦𫱲𚁸𛡢𩑧𪑮𤁡𭁨𚀩𛁩🐰𞱩🀱𝀻𚑸𛡬𪑮𩑔𫰨𣰪𞀫𠰨𠐽𡑛𪐫𚱝𚱪𚱴𚐪𚁲👅𦱩𚰫𧐪𝀩𛁏𚠶𚱓𚁁𚐪𬠩`.replace(/u../g,'')))

May 23 2021 8:54 PM UTC

}// 140/140

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More #penrosetriangle

u/Xen

nice!
u/lars-erik

🤯
u/jelmo

very good

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