Dweets awesomed by u/robotman_

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

function u(t) {

c.style.filter='sepia()invert('
r=Math.random
A=X=r()*4-2
B=Y=r()*2-1
for(q=i=540;i--;x.fillRect(X*q+1200,Y*q+q,1,1))X=X*X-Y*Y+(Y=2*Y*X+B,A)

Apr 9 2020 4:39 AM UTC

}// 140/140

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Mandelbrot Galaxy #Fractal #SlowDraw

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u/KilledByAPixel

GIF: https://twitter.com/KilledByAPixel/status/12…
u/KilledByAPixel

#Mandelbrot #WaitForIt
u/joeytwiddle

Very pretty! Mandelbrot in space
u/iverjo

Impressive
u/tomxor

Incredible!
u/aleamb

beautiful!!
u/Xen

sexy!
u/DataMeta

coool!
u/KilledByAPixel

thank you 😊
u/KilledByAPixel

#buddhabrot
u/Qwitter

Nice to see

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BriSeven

remix of d/18189 by u/BriSeven

function u(t) {

c.width*=1
for(i=t*20|0;i--;x.fillStyle=R(i/t*20))
x.fillRect(500+((m=i%2?65535:i/2)&(C(o=i/12.7/t+t)*t)+t)*(p=500/t),(m&(S(o)*t)+t)*p,p,p)

Apr 9 2020 1:35 AM UTC

}// 139/140

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fire brAND

u/BriSeven

plot a short segment of a circular arc, and also plot the coordinates after binary AND.

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KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑴🠱𛠰𜠿𩡩𫁬𥁥𮁴𚁓𭁲𪑮𩰮𩡲𫱭𠱯𩁥𤁯𪑮𭀨𝐵𜰵𝠬𝐶𝀸𜐫𠑛𭀽𭀪𝠰𛐶𜡼𜁝𚐬𭀥𜐳𚠱𝀸𛀲𞀹𚰨𭀯𜐳𯀰𚐪𜠱𞐩𞡴🰫𚱩𙐱𝠭𜐱𙠦𪐥𜐶🀱𝀿𠐮𬱰𫁩𨱥𚀨𠐮𫁥𫡧𭁨𚰱𚐪𣑡𭁨𛡲𨑮𩁯𫐨𚐬𜀬𪐩𞡦𫱮𭀽𙰱𝁥𫐢𙰺𠐽𦱩🐰𧐻`.replace(/u../g,'')))

Apr 8 2020 3:04 PM UTC

}// 134/140

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Shuffled Deck of Playing #Cards 🃏

u/katkip

#text

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veubeke

function u(t) {

x.globalCompositeOperation='hue'
for(i=t<4&&255;i--;x.fill(x.arc(_=i*199%1920,_*_%1080,t*50,0,7)))x.beginPath(x.fillStyle=R(1+i))

Apr 7 2020 12:02 PM UTC

}// 129/140

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#voronoi diagram

u/veubeke

Blatantly stolen from u/p01 https://twitter.com/p01/status/1246523062696…
u/veubeke

PS: I deleted an older version because of performance issues
u/katkip

WOW!

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Kirjava

function u(t) {

eval(unescape(escape`𭁼𯀨𬰽𦰮𛠮𘠠𜐳𡁜𫡆𞀲𠱜𫡅𠐵𝁜𫠶𞑂𝰢𧐬𥀽𜀩𛁯𫡫𩑹𭑰👮🐾𚁑👳𦱶👔𚱛𛐱𛀵𛀱𛀭𝑝𦰳𙡮𛡷𪁩𨱨𧑝𚐾𘠰𘠿𬱛𬱛𥁝👑𛁔👶𧐽𘠠𘠺𜀬𩀽𩁯𨱵𫑥𫡴𛡢𫱤𮐬𩀮𪑮𫡥𬡈𥁍𣀽𘠼𬁲𩐾𘠫𬰮𪡯𪑮𨁠𛁤𛡳𭁹𫁥𛡦𫱮𭁓𪑺𩐽𙰵𩑭𙰻`.replace(/u../g,'')))

Apr 2 2020 9:23 AM UTC

}// 132/140

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15 puzzle #game #interactive

u/Kirjava

control with IJKL
u/katkip

Works on light theme

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pavel

function u(t) {

for(i=1920;i--;x.fillRect(i&-T,i%T*T,T=32,T))x.fillStyle=`hsl(${T*t},99%,${u[i]=u[i]*.94+T/Math.hypot(i/T-T-C(3*t)*20,i%T-16-S(4*t)*9)||0}%`

Apr 2 2020 4:46 AM UTC

}// 140/140

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Flare

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u/pavel

Inspired by https://twitter.com/ntsutae/status/124366720…
u/jylikangas

Lovely use of an array for the trail effect!
u/BriSeven

hypot?! WHAAAT how long has THAT been there?
u/katkip

this is actually easier than it looks
u/sigveseb

Looks very pretty :)
u/aleamb

amazing!
u/rodrigo.siqueira

It reminds me the light and movement of this Fluid Simulation https://paveldogreat.github.io/WebGL-Fluid-S…
u/Scaledish

hell, it looks better than the fluid simulation
u/joeytwiddle

#glow #worm

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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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jylikangas

function u(t) {

x.shadowColor="#0af",x.shadowBlur=99-C(t)*50
for(i=0;i++<40;x.fillRect(960-z-j/2,1070-i*5,z*2+j,-z*4))z=2e3/(i-t%32),j=i%3*z

Mar 22 2020 6:32 AM UTC

}// 124/140

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Glowing Hallway

u/sigveseb

Woah nice

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New_Core

function u(t) {

for(c.width|=j=9;j--;)for(i=60;i--;x.fillRect(960+j*Z*50*S(j)+(99*S(i*22)*Z),540+i*S(v=i/60)*C(v-t*3+j)*Z,Z*2,Z*9*S(i/16-4)+5))Z=2**T(t/5+j)

Mar 10 2020 4:22 PM UTC

}// 140/140

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Birds

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u/13thptr

amazing #d3
u/Whimpers

wow
u/tomxor

woo!
u/yonatan

lifelike!
u/Odog8

daaaamn
u/joeytwiddle

bravo! #bird #nature
u/katkip

nice
u/vain

i really love this

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BriSeven

function u(t) {

w=c.width
for(i=0;i<w;i++)
x.fillStyle=R(S(6*i/w)*255*S(t),-C(6*i/w)*255*C(t/2),-S(6*i/w)*255*S(t/4)),x.fillRect(i,200*(t%5),1,50)

Mar 9 2020 11:46 PM UTC

}// 130/140

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Colored lights

u/joeytwiddle

I think they are still images but my brain tells me they are shrinking outwards! #illusion

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