Top dweets of all time

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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zanella

remix of d/12556 by u/Ath0r

function u(t) {

c.width|=0
f=(i,j)=>{x.beginPath(),x.lineWidth=j,x.ellipse(960,560,...i),x.stroke()}
f([r=300,r,0,0,7],9)
f([780,99,9+t,1.945,1.195],35)

Feb 28 2019 10:16 PM UTC

}// 136/140

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u/donbright

wheeeeeeee

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rrlyrae

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪁼👩👡👢🐱𞱩🀵𞱩𚰫𚑻𫐽𜱥𝀪𚁩𛐱𚐯𪐪𚠶𞱡𚰽𫐪𤰨𭀯𞐪𪐪𚠳𚐻𨠫👭𚡃𚁴𛰹𚡩𚠪𜰩𞱬🐲𝐵𛱩𛱩𞱦𫱲𚁲🐱𞱲🠮𜐻𬠭🐮𜐩𮱸𛡢𩑧𪑮𤁡𭁨𚀩𞱸𛡡𬡣𚀹𝠰𚱡𛀵𝀰𚱢𛀳𜀰𛱩𚠪𜰪𬠬𜀬𜐰𚐻𮀮𩡩𫁬𤱴𮑬𩐽𤠨𫀬𫀬𫀪𬠩𞱸𛡦𪑬𫀨𚑽𯐠`.replace(/u../g,'')))

Feb 28 2019 3:34 PM UTC

}// 140/140

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#compressed #solar system: #planets and #moons with approximate constant density planetary bodies

u/rrlyrae

Uncompressed, you can change "i<5" to whatever you want to have as many mini-moons orbiting about your moon as you want :)

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katkip

function u(t) {

c.width*=1;x.lineWidth=4;for(j=99;j--;)for(i=4;i--;)x.lineTo(960+C(i*1.57+3.14*C(t))*400,940+S(i*1.57+3.14*C(t))*100-j*8);x.stroke();

Feb 24 2019 12:27 PM UTC

}// 133/140

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Rectangular parallelepiped #math #d3 #geometry

u/f8f82804

#moire

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Xen

remix of d/12482 by u/katkip

function u(t) {

for(c.width|=f=222;f--;)for(i=28;i--;)x.fillRect(f*9,i*69+S(f*6+t*9+C(i*3.14+S(t)*3.14)*2)*40,20,20);

Feb 23 2019 8:39 AM UTC

}// 101/140

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u/DataMeta

Neato

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katkip

function u(t) {

c.width*=1;for(f=192;f--;)for(i=28;i--;)x.fillRect(f*10,i*40+S(C(f/7+t)*S(i+t*C(t/9)*9))*40,9,9);

Feb 22 2019 7:09 PM UTC

}// 97/140

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#waves

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katkip

function u(t) {

c.style.background='#bbf';q=t*20;x.fillStyle=R(q,q*2,q);for(i=0;i<213;i++)x.fillRect(i*9,+C(Math.random())*250+t*99,9,2e3)

Feb 18 2019 2:34 PM UTC

}// 122/140

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Grass

u/katkip

#landscape #nature

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rodrigo.siqueira

remix of d/12356 by u/pavel

function u(t) {

c.width^=f=(X,Y,r,a)=>r>1.4&&x.lineTo(X,Y)|f(X+C(a-=.2)*r,Y+S(a)*r,r-r/(9-C(t)*7),a-.1)|f(X,Y,r/3,a+3)
f(680,9,185,2,2)|x.stroke()

Feb 17 2019 12:56 AM UTC

}// 130/140

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Plant growth #spiral #fractal

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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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geb

remix of d/12304 by u/pavel

function u(t) {

for(c.width|=i=20;i--;x.rect(~-r,~-r,2*r,2*r))r=(i-3*t%2)*55,r*=r>0,x.setTransform(1,~0,1,1,0,555),x.rotate(2**-r);x.fill('evenodd')

Feb 12 2019 1:27 PM UTC

}// 132/140

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rnbw

function u(t) {

for(c.width^=i=0;i++<45;)for(j=-6;j++<23;x.fillStyle='#ac6'+(4+(i+j)%2*2))x.fillRect((i*(b=99+C(t)*35))+(a=S(t)*600%b)-500,(j*b)+a,d=b*.9,d)

Feb 7 2019 3:57 PM UTC

}// 140/140

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zooming tiles without transform! doesn't perform very well, though

u/rnbw

(i'm surprised that that hastily-made alpha adjustment worked...)