Dweets awesomed by u/masang

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) {

with(x)for(fillRect(0,0,2e3,2e3),i=149;i--;stroke())for(beginPath(j=9);j--;arc(960,540,i*8,a=j*.785+5*S(i/7+t*4)/19,a))strokeStyle=R(i*9,i)

Jun 25 2019 2:19 PM UTC

}// 139/140

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Twisted Spiral

u/Xen

love it!
u/loktar

Oh this is badass
u/aleamb

wow
u/donbright

this looks amazing in full screen

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rodrigo.siqueira

remix of d/9880 by u/Quant1um

function u(t) {

c.width|=0
for(i=9e3;i--;x.fillRect((n-o)*20,(n+o+p*2)*17,3,3))var j=C(i*i)*3,a=9+j*S(m=i/2+t),n=C(i+t)*a+40,o=S(i)*a-a,p=j*C(m)

May 23 2019 7:04 PM UTC

}// 128/140

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Möbius strip is a looped surface with only one side and only one edge. #uncompressed #128bytes #d3

u/pavel

c.width%=i=9e3

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New_Core

function u(t) {

for(c.width|=q=i=300;i--;x.fillRect(i,0,9,30))x.fillStyle=`hsl(${v=i+t},99%,50%)`,x.setTransform(a=C(v),b=S(v),a,-b,q*i%2e3,-q+v/6*q*5%2e3)

May 23 2019 2:43 PM UTC

}// 139/140

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konfetti =)

u/Xen

nicely done
u/katkip

#particles
u/username

confetti?

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pavel

function u(t) {

eval(unescape(escape`𫐽𚁸𛁹𛁤👡𚡡𚱢𚡢𚐽🡛𨐬𨡝👛𚁹𚡢𚱸𚡡𚐯𩀬𚁹𚡡𛑸𚡢𚐯𩁝𞱦𫱲𚁪👴🰲𩐳𞡡👢👩🐰𛁳🐳𚠪𛠵𞱪𛐭𞱸𛡦𪑬𫁒𩑣𭀨𞐶𜀫𜐴𜀪𨐬𝐴𜀫𜐴𜀪𨠬𜐬𪐫𚰾𜑥𜰩𚑩𩠨𨐽𜐫𬰭𨐬𫐨𜰬𜀩𛁡𚰽𜐭𬰬𬠽𣑡𭁨𛡲𨑮𩁯𫐨𚐪𝀭𜡼𜀩𫐨𛐮𝐬𬠪𬰯𜠩`.replace(/u../g,'')))

Feb 13 2019 4:42 AM UTC

}// 135/140

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Apollonian gasket via an iterated function system

u/pavel

184 m=(x,y,d=a*a+b*b)=>[a,b]=[(y*b+x*a)/d,(y*a-x*b)/d];for(j=t?2e3:a=b=i=0,s=3**.5;j--;x.fillRect(960+140*a,540+140*b,1,i++>1e3))if(a=1+s-a,m(3,0),a+=1-s,r=Math.random()*4-2|0)m(-.5,r*s/2)

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sam

function u(t) {

x.fillRect(0,0,2e3,2e3);for(i=5e3;i--;Z=170-(t*60+i)%160,s=280/Z,x.clearRect(960+1/Z*(-99+i*3e72%199)*900,540+(-70+i*8e01%140)/Z*700,s,s));

Jan 31 2019 12:10 PM UTC

}// 139/140

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u/katkip

#starfield #stars #space #d3
u/cantelope

reciprocals tho: 960+1/Z*(-99+i*3e72%199)*900 -> 960+(-99+i*3e72%199)/Z*900
u/cantelope

might have been good to reference the source: d/2336

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Phenomenal

remix of d/11642 by u/yonatan

function u(t) {

for(i=c.width|=0;i--;)x.fillRect(S(i*t)*(i<1500?i/3:99)+960,i/2,9,9)

Jan 4 2019 3:36 PM UTC

}// 68/140

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magna

remix of d/11282 by u/jonathan-potter

function u(t) {

r=Math.random;for(u[h=16]=r(i=9e3)*i;i--;x.fillRect(i/2,i%32*h,h,h))x.fillStyle=R(n=u[i]=r(q=i+r()-.3|0)*(u[q]+u[q-32]+u[q-31])/1.5|0,n,255)

Dec 4 2018 1:26 PM UTC

}// 140/140

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Water vapour / clouds in time lapse

u/magna

#lazyremix

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jylikangas

function u(t) {

eval(unescape(escape`景爨硛昽❦楬汒散琧崨〬〬眽挮睩摴栽椽㌰〬眩㭩ⴭ㭸学崨㔹ⵓ⡡㵩⼹〩⨱㐬㈰⭃⡡⤪㤬㤬⸱⤬硛晝⠱㔰⬨椥㠭㐩⩺ⰵ〫稬樥㌿ㄺ稬ⅸ学崨椬㐵⭓⡩⼱㤩⨹ⰱⰱ⤩⥪㵩㸾㌬稽眯⡪⵴┱⨶⤬砮晩汬却祬攽∣づ㠹∻`.replace(/u(..)/g,"$1%")))

Dec 1 2018 12:37 PM UTC

}// 140/140

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Moonlight Zone

u/katkip

Awesome
u/aleamb

dude!!!
u/Xen

Nice one :-)

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and3k5

function u(t) {

for(i=0;i<3000;i++){
j=i+t/1.23
X=960+C(j*t)*960
Y=540+S(j*j)*540
x.fillStyle=R(X*64%255,Y*128%255,(X*Y)*192%255,0.75)
x.fillRect(X,Y,9,9)
}

Nov 14 2018 11:28 PM UTC

}// 140/140

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color dots

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magna

remix of d/7512 by u/magna

function u(t) {

c.width=960
for(j=60;j--;)for(i=240;i--;x.fillRect(i*4,j*9,4,9))f=i+t*60,n=T(0|(j+f^f-j)/(t/2+6)),x.fillStyle=`hsl(${120*i},99%,${n*9%50}%`

Nov 4 2018 5:42 AM UTC

}// 139/140

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u/tomxor

Hah, it fits! awesome
u/tomxor

#crt #fractal
u/magna

It's monochrome, unfortunately. I couldn't find a quick way to add color (i.e. adjust the intensity based on R/G/B cells.)
u/tomxor

I can sort of fudge the colour with some kind of mod3 to selectively modulate the intensity in lum: (2+i%3)*n*10%50 duno how to fit it though.
u/magna

Nice! I used the dweet compressor (d/9207) to compress it: d/10843

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