Dweets awesomed by u/DirtyDan

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: #ScaryMovies

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firegodjr

function u(t) {

t||x.translate(960,540)
x.fillRect(-25,-25,500*C(t),50)
x.drawImage(c,-960,-540)
x.rotate(0.001*S(t)+.001)
x.fillStyle=`hsl(${t*9},99%,50%`

Jul 5 2018 4:27 PM UTC

}// 139/140

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fujimotos

function u(t) {

c.width=320
for(j=12;j--;)for(i=90;i--;)
x.fillStyle=`hsla(99,${i}%,${i}%,.9`,
x.fillRect(S(t+i/30+S(j))*20+20*j,S(t*5+i/10)+i*2,i/2,i/2)

Jul 4 2018 1:09 PM UTC

}// 137/140

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Weird Plants

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Feiro

remix of d/8739 by u/firegodjr

function u(t) {

with(x)for(fillRect(0,0,k=2e3,k);k--;beginPath(fillStyle="#0001"))arc(960,540,k/4,v=k%4*1.57+S(t*3-k/280)+t,v+.2),strokeStyle="red",stroke()

Jun 28 2018 11:07 AM UTC

}// 140/140

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red is shorter than any other color! :D

u/firegodjr

Looks like a rose :D
u/Agnes

For the record, strokeStyle="tan" is as short as red.
u/magna

R(k) also seems to work
u/zanella

You can replace 1.57 with 1.6, and use this extra byte to use hex colors instead of red, like #0f0. ;)
u/zanella

Or, if you want to keep it really precise, replace *1.57 with /.64.

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Agnes

remix of d/8761 by u/magna

function u(t) {

c.width=240
with(x)font='6em"',fillText('👌',110,110),rect(0,0,160,1e4),clip(),setTransform(0,1,-1,0,160,30),fillText('☝️',0,100+30*S(t*4))

Jun 27 2018 8:06 PM UTC

}// 138/140

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Proof of concept. Christ, what am I doing with my life #sex

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u/Agnes

(You may have to tweak the numbers to get it to line up with your emoji set, it looks all right for me on Windows/Chrome)
u/micahcowan

Fixed for Mac/Chrome: c.width=240 with(x)font='6em"',fillText('👌',107,110),rect(0,0,160,1e4),clip(),setTransform(0,-1,-1,0,0,140),fillText('☝️',0,-65+30*S(t*4))
u/micahcowan

(I was thinking it would look better with a clip() when I saw u/magna's. Nice!)
u/katkip

ew
u/Purpzie

no thanks
u/f8f82804

#emoji

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firegodjr

remix of d/8739 by u/firegodjr

function u(t) {

with(x)for(fillRect(0,0,Y=2e3,Y),k=Y;k--;)arc(960,540,j=550-k/4|0,v=k%4*3.14/2+S(t*3-Y/j)+C(t),v+99/k),stroke(),beginPath(fillStyle="#fff1")

Jun 26 2018 7:37 PM UTC

}// 140/140

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u/rep_movsd

Cybernetic rose
u/rep_movsd

#underrated

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jylikangas

function u(t) {

c.width=900
for(j=9;j--;x.beginPath())for(a=T(t/j),i=16;i--;x.stroke())x.lineTo(200+j*60+S(t)*99+S(a+=(7-i)%2*11)*25,240+(i%4>>1)*99+C(a)*9)

Jun 24 2018 9:58 AM UTC

}// 140/140

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Wireframe #default

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u/aleamb

greeeeat!
u/magna

YAY!
u/joeytwiddle

Brilliant
u/donbright

my gosh....
u/vain

great work / code !
u/joeytwiddle

That's not a #cube, it's eight cuboids!

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jylikangas

function u(t) {

x.fillRect(0,0,2e3,2e3)
for(u=29;u--;)for(v=65;v--;x.clearRect(960+(150+99*C(v))*C(U)*z,540+75*S(v)*z,z,z))z=60/(9+C(v)/T(t/2))*S(U=u/9+t/9)

Jun 23 2018 8:08 AM UTC

}// 140/140

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Pulsating Torus

u/lionleaf

#torus
u/DataMeta

Marvelous!
u/iverjo

Well done!
u/Galaxtone

TypeError: u is not a function

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pythech

remix of d/8694 by u/pythech

function u(t) {

c.width|=0
with(x)for(i=1e3;i--;fill())beginPath(fillStyle=i%2?'#fffe':`hsl(${t*i/3},99%,50%)`),arc(60*(i/3)-t*74,500+400*S(i*t/30),200,0,9)

Jun 22 2018 6:06 AM UTC

}// 140/140

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#waitforit

u/Galaxtone

Oh my gawd, it just keeps going
u/Galaxtone

I like the bits when it gets stable and makes a line of rainbow, and... it's gone.
u/pythech

#epilepsy alert

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DataMeta

remix of d/8412 by u/DataMeta

function u(t) {

p=Math.PI;r=Math.random();for(i=0;i<300;i++)x.fillStyle=R(i,i,i),x.fillRect(960+p*i*S(t+i*.9),540+S(t/7+i/p)*i*1.559,T(t/2)*r*2,T(t+i)*r*2)

Jun 22 2018 2:42 AM UTC

}// 139/140

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u/magna

Very stylish!
u/Xen

i love it!

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yokljo

function u(t) {

for(i=125;i--;)for(j=99;j--;x.fillRect(i*16*(j+93)/99,j*12+o,28,9))o=C(i/5+t*9+C(j/3))*35*S(j/5),x.fillStyle=`hsl(${t*o},${o+j}%,50%)`

Jun 21 2018 10:35 PM UTC

}// 134/140

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u/magna

This looks amazing!
u/yokljo

Thanks 👍
u/iverjo

Impressive! Rainbow lava?

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