Dweets awesomed by u/artfarnaa

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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BalintCsala

function u(t) {

c.width=470
for(i=30;i--;)for(j=15,x.beginPath();j--;x.lineTo(U=99+i*9+S(H=i/4+j/15+t*8)*j,V=30+j*15+C(H)*j/5),x.arc(U,V,1,0,7),x.stroke());

Apr 13 2018 9:37 AM UTC

}// 140/140

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curtain #lineart

u/BalintCsala

Based on a tweet from beesandbombs https://twitter.com/beesandbombs/status/9841…
u/f8f82804

#beesandbombs

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camel_case

function u(t) {

 x.font="40px mono";t=t*12%68;x.fillText((u+"")[~~(t+17)],~~t*25,600)

Apr 11 2018 6:04 PM UTC

}// 69/140

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Quine by abusing JavaScripts type conversion

u/Galaxtone

Not quite it ends at "*"
u/Galaxtone

nvm it works
u/metamero

#quine

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jylikangas

function u(t) {

c.width=200
for(i=2;i--;x.lineTo(X+3,Y>71?Y:71))Y=S(t*3+i*3.14)*60,x[f='fillRect'](X=50+i*99,Y=Y>9?89:80+Y,6,-9)
x.stroke()
x[f](98,75,9,20)

Apr 11 2018 3:13 PM UTC

}// 140/140

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Seesaw

u/jylikangas

Feel free to remix with emojis :)
u/magna

Added emojis, sound and parallax background: d/7633
u/jylikangas

c.width=200 for(i=2;i--;x.lineTo(X+3,Y>71?Y:71))Y=S(t*3+i*3.14)*60,x[f='fillText']('🕺',X=50+i*99,Y=Y>9?89:80+Y) x.stroke() x[f]('🎩',99,88,9)
u/iverjo

#bounce

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MrRaviex

function u(t) {

for(r=999;r>0;r-=10){x.fillStyle=R(S(t*r/10)*255,S(t*r/9)*255,S(t)*255,r%99);x.beginPath();x.arc(960+S(t)*50,480+C(t)*50,r,0,t,0);x.fill();}

Apr 9 2018 9:26 AM UTC

}// 140/140

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aemkei

remix of d/7590 by u/aemkei

function u(t) {

c.width=999;for(i=79;i--;x.fillRect(500+S((X=t*9-i/9)/9)*300+S(t/2+i*i)*(O=S(i)*(i+39)),300+C(X/6)*99+C(t/9+i)*O,6,6))x.fillStyle=R(i*4,0,0)

Apr 7 2018 7:36 PM UTC

}// 140/140

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Bird

u/fujimotos

It looks to me like a school of fish. Nice work!
u/katkip

#ai
u/rep_movsd

#underrated

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joeytwiddle

remix of d/7597 by u/joeytwiddle

function u(t) {

for(c.width|=i=192;i--;x.fillRect(940+n*9*S(a=i%6*1.04+S(p)/5+t),520+n*9*C(a),n,n))n=((j=i/6)%16)**2/5,x.globalAlpha=.5+C(p=j*.6+t*6)/2

Apr 7 2018 6:14 PM UTC

}// 135/140

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Spiral starfish. Change +t to -t and watch its feet

u/joeytwiddle

Dropped a for thanks to u/New_Core

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Agnes

function u(t) {

for(w=c.width|=i=M=100;i--;f=i/M,x.font=~~(M*f)+"px A",x.fillText("･｡☆∴･ﾟ*★*ﾟ".charAt(i%8),(f*(.9+.1*S(i+f*t)))*w,f*(.7+.3*C(i+t/f))*1080));

Apr 7 2018 12:19 PM UTC

}// 140/140

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Characters taken from that weird Twitter meme.

u/BalintCsala

Can't charAt be changed to [i%8]?
u/joeytwiddle

Magical!

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aemkei

remix of d/7588 by u/aemkei

function u(t) {

c.width=999;for(i=99;i--;x.fillRect(500+S((X=t*4-i/3)/9)*399+S(t+i*16)*i,300+C(X/7)*200+C(t/6+i)*i,6,6))x.fillStyle=R(255,i,255-i*2)

Apr 5 2018 9:44 PM UTC

}// 132/140

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joeytwiddle

remix of d/7579 by u/yonatan

function u(t) {

c.width|=0;x.globalAlpha=.2;for(i=1782;i--;)l=i/22%9|0,x.fillRect(540+l*99-40*T(m=3*t+i/1e5-l/12+i%22/5e2)**3,460+i%22*9-199*S(2*m)**8,50,9)

Apr 5 2018 6:47 AM UTC

}// 140/140

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Just messing with yonatan's stuff again >_<

u/joeytwiddle

#default
u/iverjo

Nice animation!
u/katkip

Woow
u/joeytwiddle

Oops, speed was supposed to be m=1.2*t

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function u(t) {

c.width=600;for(i=0,f=100,a=0;i<200;i++,x.fillStyle=R(i+S(i)*20),a=i+(t*50))x.fillRect(f+f/2+i+C(a/20)*f,f+S(a/50)*f,S(i/64)*f,S(i/64)*f);

Apr 5 2018 12:48 AM UTC

}// 138/140

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