Dweets awesomed by u/KilledByAPixel

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: #Food

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erin

function u(t) {

c.width=1920
for(i=0;i<c.width/50;i++)
x.fillRect(i*50, c.height/2 + S(t+i)*50, 20, 20) // draw 50x200 rects

Dec 31 2020 12:06 AM UTC

}// 108/140

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my first dweet.

u/erin

this is fun :)
u/erin

just wanted to do a sin wave. modified the default
u/lionleaf

Welcome!
u/erin

thanks!
u/Xen

welcome to the dwitter family!

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ciaccodavide

remix of d/14505 by u/simonmkwii

function u(t) {

for(x.fillRect(0,0,i=640,i);z=--i**.3;x.fillStyle=R(0,500/--z))x.setTransform(s=20/z+S(t),0,0,s,0,0),x.fillText('*',i%z*99-C(t),t++%z*60)

Dec 30 2020 3:42 PM UTC

}// 137/140

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command line #snowflake

u/andrea270872

Matrix Xmas :D Very cool!

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Geotale

function u(t) {

eval(unescape(escape`𭰽𮐽𜠵𝐻𪑦𚁴🀮𜐩𨰮𭱩𩁴𪀽𭰬𨰮𪁥𪑧𪁴👶🐱𝀳𞱦𫱲𚁬🐶𜀪𭀬𪐽𮀮𩱥𭁉𫑡𩱥𡁡𭁡𚀰𛁬𙑶𛁷𛀱𚐮𩁡𭁡𞱹𛐭𞱸𛡦𪑬𫁓𭁹𫁥👒𚁱👩𦱰𛐴𧐿𪑛𬁝𙠦𪑛𬀫𝁝𞠲𝐵𚠨𪑛𬁝🐽𪑛𬀫𝁝𚐬𬐬𬐩𛁸𛡦𪑬𫁒𩑣𭀨𮐬𚁬𚰱𚐥𭠬𜐬𜐩𚑰🐴𚡹`.replace(/u../g,'')))

Dec 28 2020 9:17 PM UTC

}// 133/140

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Rule 110

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rodrigo.siqueira

remix of d/21067 by u/rodrigo.siqueira

function u(t) {

for(c.width|=i=q=r=s=1;i<400;x.lineTo(960+45*q+K,540+K*r+K*11+S(q+t*7)*25),i+=.1)r+=q*(K=58-s)/900,s+=q*r/4-s/30,q+=r-q/8;x.stroke()

Dec 26 2020 11:17 PM UTC

}// 132/140

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Melting Lorenz Attractor #lorenz

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wpower3

function u(t) {

X=1920;Y=1080;Z=14;
for(i=0;i<X*Y/(Z*Z);i++){
  J=Math.floor(i/(Y/Z))
  I=i%(X/Z)
  if(Math.random()>0.99){x.fillRect(I*Z,J*Z,Z,Z)}
}

Dec 26 2020 3:36 PM UTC

}// 134/140

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First Dweet! Its nice when bugs == pretty things.

u/wpower3

I was trying to learn the environment by implementing some 2d-as-1d indexing, and messed up my reasoning. The result still looked cool, though!
u/Xen

Welcome to the dwitter family!
u/wpower3

Thanks! :)
u/ciaccodavide

Making errors is one way to learn and discover new things! ;)

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smtsjhr

function u(t) {

for(c.width|=a=6;a<12.28;a+=.001)x.fillRect(960+(r=-210*(1+S((a)))*(1+.9*C(8*a))*(1+.1*C(24*a))*(1+.05*C(200*a+99*t)))*C(a),960+r*S(a),8,8)

Dec 25 2020 6:53 AM UTC

}// 139/140

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i don't even smoke weed

u/Xen

420

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magna

remix of d/21060 by u/jwc

function u(t) {

for(c.width|=i=q=r=s=.1;i<t;x.fillRect(960+16*(q*C(t)+(s-28)*S(t)),540+20*r,4*i/t,4),i+=.01)o=r,r+=(q*(28-s)-r)/50,s+=q*o/50-s/25,q+=(o-q)/5

Dec 25 2020 6:51 AM UTC

}// 140/140

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Golfed to center rotation

u/jwc

Perfect, thanks for spotting that!

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rodrigo.siqueira

remix of d/21060 by u/jwc

function u(t) {

x.fillRect(0,0,2e3,2e3)
for(i=q=r=s=.5;i<250;x.clearRect(960+9*q*C(t)+K*S(t)*20,540+26*r,6,4),i+=.1)r+=q*(K=40-s)/99,s+=q*r/70-s/45,q+=r-q/5

Dec 25 2020 2:13 AM UTC

}// 140/140

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Rotating Lorenz Attractor remix #lorenz

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jwc

function u(t) {

for(t/=.6,c.width|=i=32;--i;)for(j=18;--j;x.fillRect(60*i-20*C(j+t),60*j-20*S(i+t),s,s))d=9-((16-i)**2+(9-j)**2)**.5/4,s=3+d*C(d/.8+t*2)**2

Dec 23 2020 4:05 AM UTC

}// 139/140

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pavel

function u(t) {

for(i=c.width|=m=[h=1080];i--;)m[i]=i**3%h
m.sort((a,b)=>(t-=1/h)>0&&a-b).map((n,i)=>x.fillRect(i,h-n,1,n,x.fillStyle=`hsl(${n/9},69%,50%`))

Dec 22 2020 11:33 PM UTC

}// 140/140

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Visualizing Array.sort

u/pavel

This probably works and is probably merge #sort :)
u/ciaccodavide

Nice!

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