Dweets awesomed by u/Polyducks

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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Buckyballsack

function u(t) {

k=300;for(i=30;i--;)x.fillStyle=`hsl(${(t*80+i*10)},100%,50%)`,x.beginPath(),x.arc(k*S(t*3-i*.15)+960,k*S(t*.5-i*.05)+540,i*50,0,7),x.fill()

Dec 27 2017 2:57 AM UTC

}// 140/140

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u/joeytwiddle

#rainbow #tunnel

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sarah256

remix of d/3713 by u/bobdunn

function u(t) {

c.width=1920;
for(j=0;j<5;j++){
  for(i=0;i<64;i++){
  x.fillRect(150+400*j + S(4*t+(i*3))*100, i*30, 5, 600);}}

Dec 27 2017 2:51 AM UTC

}// 112/140

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sokacsavok

function u(t) {

α=9E2;β=5E2;c.width=α*2;τ=Math.PI*2;X=80;x.arc(α+C(t)*β,β+S(t)*β,40,0,τ);x.arc(α,β,X,0,τ);x.fill();

Dec 27 2017 2:51 AM UTC

}// 99/140

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Under 100 chars. Unfortunately the moon doesn't fit inside 140. :(

u/Polyducks

Nice use of math chars!

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f0rkbm

function u(t) {

w=1920
h=1080
z=C(t)*255
x.fillStyle=R(z,z,z)
for(i=0;i++<5;)
x.fillRect(i*15+w/2-30,h/2,5,5)
x.drawImage(c,-20+C(t/3),-20+S(t),w+40,h+40)

Dec 27 2017 2:40 AM UTC

}// 138/140

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u/Polyducks

You'd save a lot of characters just by removing newlines.
u/Xen

for each newline removed they would need to add a "," ...the main save would be for(i=5:i--:x.drawIma...)
u/f0rkbm

lessons learned. also, possible bug? on dwitter.net it shows 144/140, on u/f0rkbom it shows 138/140
u/Lazy1337

happens sometimes
u/katkip

#smoke

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ThirdEstate

function u(t) {

c.width=1920;
  for(i=0;i<100;i++){
a=900+S(i+t)*800+T(i/t)*900
b=400+C(i+t)*400
x.fillStyle=R(b/a,a/6,b)
  x.fillRect(a, b, S(i)*b, b/5)}

Dec 27 2017 2:38 AM UTC

}// 138/140

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Polyducks

function u(t) {

c.width=500;x.font="30px Consolas";for (i=0;i<20;i++){h=T(t+i/3)+0.5>0?".":"::";x.fillText(h,i*30-8+(C(t)*10),(S(t+(i/3))*50)+180)}

Dec 27 2017 2:31 AM UTC

}// 132/140

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Slimy Slugger

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Cistoran

remix of d/1806 by u/iverjo

function u(t) {

t*=4;c.width*=1;for(i=0;i<1500;i++)x.fillRect(X=i+S(t+i*10)*300,400+200*C(t+i)-200*S(X/2/70+t),50,5),x.fillStyle=`hsl(${X/20+t*90},80%,50%)`

Dec 27 2017 2:30 AM UTC

}// 140/140

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u/Polyducks

It's like shiny guts!

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Exquisite

function u(t) {

r=1080;d=960;c.width=2*d;for(i=0;i<999;i++){x.fillStyle=R(i%800,i%255,i%300);x.fillRect(d+300*C(i+t),r/2+300*S(i)+T(t+i),10,10);}

Dec 27 2017 2:29 AM UTC

}// 129/140

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u/Polyducks

This is an absolute trip.
u/Exquisite

Haha thanks, Tan functions do some wacky stuff

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dzozef

function u(t) {

c.width=640;for(i=0;i<900;i++){a=i%30;y=Math.floor(i/30);x.fillRect(a*10+y*10,180-a*5+y*5-S(((15-a)*(15-a)+(15-y)*(15-y))*0.02+t*5)*16,2,2)}

Jul 17 2017 12:45 PM UTC

}// 140/140

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u/Polyducks

Wow... this is just.... wow...
u/Xen

90byte De-make #2921

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dongwoo

function u(t) {

x.fillRect(0,950,620,c.width|=0)
x.font="6cm a";['🎈','🤡','⛵'].map((e,i)=>{k=(i+2)%3;x.fillText(e,200*i,1750-(t%5>k+1?1:t%5<k?0:t%1)*680)})

Jul 17 2017 5:52 AM UTC

}// 138/140

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u/XMF

I thought you would use integers for this, but they're all floats down here.
u/Polyducks

omg that's an amazing reference.

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