Dweets awesomed by u/MAxSaL

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: #Opposites

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pavel

function u(t) {

for(c.width|=i=w=540;i--;)for(x.beginPath(k=3);k--;x.fill())x.arc(p=i%32*99,q=(i>>5)*99,k?20:40,a=2*k+Math.atan2(1+S(t)-q/w,2+C(t/2)-p/w),a)

Nov 18 2018 10:14 PM UTC

}// 140/140

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Compass Needles #beesandbombs

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pavel

remix of d/11016 by u/pavel

function u(t) {

for(w=i=c.width|=q=C(t);j=--i/w;x.fillRect(960+(o*q-l*S(t))*w/z,540+S(a)*w*r/z,s=1e3/z/z,s))r=3+j*C(i),o=S(i)*j,l=C(a=j*t)*r,z=14+o*S(t)+l*q

Nov 17 2018 7:40 AM UTC

}// 140/140

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Ouroboros

u/katkip

haha cool
u/fourier.space

This one gets really good after it eats itself for the 20th time and dissociates into snake gas
u/katkip

ew
u/BirdsTweetCodersDweet

Awesome!

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pavel

remix of d/10999 by u/pavel

function u(t) {

for(i=c.width|=0,x.translate(w=960,540),x.rotate(o=S(t));--i;x.fillRect(S(h)*i/z,S(a)*w*r/z,s=99/z,s))r=7+i/w*C(h=i/2+t),z=15+5*o+C(a=i-t)*r

Nov 17 2018 5:18 AM UTC

}// 140/140

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Möbius Strip

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pavel

function u(t) {

t?x.strokeRect(a+=i=i*.99+C(d=Math.atan2(Y-b,X-a))/5,b+=j=j*.99+S(d)/5,5,5):(c.width=innerWidth,a=b=X=Y=i=j=0,onmousemove=e=>(X=e.x,Y=e.y))

Nov 17 2018 4:11 AM UTC

}// 139/140

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Orbit Decay #interactive

u/pavel

Try to write your name :)
u/katkip

#gravity #psyhics

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MAxSaL

function u(t) {

o=100;for(i=0;i<200;i++){x.fillStyle=R(S(t*3)*t*5,S(t*3)*o,o+i*S(t*C(t+3)));x.fillRect(10*i,t*o,o,-o+i*S(t*S(i*3)))}

Nov 14 2018 10:57 AM UTC

}// 116/140

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No clue.

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veubeke

function u(t) {

x.shadowBlur=200+S(t)*160
for(i=12;i--;x.fillRect(960-w/2,540-h/2,w,h))x.shadowColor=`hsl(${S(t/2-i/9)*200%360},99%,50%)`,w=178*i-20,h=100*i

Nov 12 2018 8:43 PM UTC

}// 140/140

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u/joeytwiddle

Launch when ready

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pavel

remix of d/10939 by u/veubeke

function u(t) {

for(c.width=2*(n=i=300);--i;x.fill(new Path2D('M0 2C8-5,8 8,0 0')))z=4/(2+C(A=t*i/n+i*i)),x.setTransform(C(A)*z,0,0,z,S(A)*99*z+n,i*i%n+9*z)

Nov 12 2018 1:04 AM UTC

}// 140/140

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u/iverjo

#fish

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yonatan

function u(t) {

eval(unescape(escape`景爨挮睩摴桼㵩㴵ㄲ㭩ⴭ㭸⹦楬汒散琨㤶〫瀮砪瀮眬㔴〫瀮礪瀮眬瀮眬瀮眩⥰㵮敷⁄位䵡瑲楸⡛⸮⸧㌰〰〳〰〰㌵〰〰❝⤮牯瑡瑥䅸楳䅮杬攨琬琬〬琪㤹⤮瑲慮獦潲浐潩湴⡮敷⁄位偯楮琨椾㸶☷Ⱪ㸾㌦㜬椦㜩⤻`.replace(/u(..)/g,"$1%")))

Nov 8 2018 10:26 AM UTC

}// 140/140

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for(c.width|=i=512;i--;x.fillRect(960+p.x*p.w,540+p.y*p.w,p.w,p.w))p=new DOMMatrix([...'3000030000350000']).rotateAxisAngle(t,t,0,t*99).transformPoint(new DOMPoint(i>>6&7,i>>3&7,i&7));

u/katkip

This is nice
u/iverjo

Cool!
u/katkip

#transpose

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pavel

remix of d/10875 by u/pavel

function u(t) {

x.rotate(!t*Math.PI/4);for(i=24;i--;)for(j=28;j--;x.fillRect(i*99+d-250,j*99-2e3+d,99,99))x.fillStyle=R(a=(i+j)%2*256,a,a),d=T(i*j/99+t/9-1)

Nov 7 2018 1:08 AM UTC

}// 140/140

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Rain

u/katkip

What rain lol

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Xen

remix of d/10852 by u/rodrigo.siqueira

function u(t) {

t<5?x.drawImage(c,-92,99,2100,1e3):x.drawImage(c,C(t^t*2),4)
x.font='150px"'
x.fillText('AT A RI',715,99)
x.fillStyle=`hsl(${t*500} 90%50%)`

Nov 5 2018 7:03 PM UTC

}// 140/140

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Atari Demo #waitforit

u/magna

#atari

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