Dweets awesomed by u/Jugger

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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jylikangas

function u(t) {

with(x)for(fillRect(0,0,2e3,2e3),fillStyle="#ccc",shadowColor=R(i=9);i--;fillRect(512+i*99+X/4,400,50,200))X=shadowBlur=(1+S(i/2+t*4))*40

Dec 9 2018 5:18 PM UTC

}// 137/140

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Grey #default

u/lionleaf

That's amazing!
u/joeytwiddle

mmm milky
u/Koi

So satisfying
u/vain

very cool

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pavel

function u(t) {

for(i=c.width|=0;j=i-->>5;x.arc(98*(28-k*63+i%32*(4*k-2)+(j|t)%2+t%1/2+(.5-j%2)/(1+9e9**(j/9-t%1))),(j-k)*170,98,3*!k,3*k))k=i>>4&1
x.fill()

Nov 29 2018 12:18 AM UTC

}// 140/140

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MORE disks >:) #beesandbombs

u/anotherkitten

stop being so good
u/katkip

i love your beesandbombs dweets
u/pavel

I call fill just once, the black bits are a single connected shape that zig-zags, the messy edges are hidden offscreen.
u/pavel

I use 1/(1+9e9**x) to smooth step but even rows step twice in one cycle which is done by adding (j|t)%2 as offset.
u/pavel

In hindsight ~~x+(x%1)**9 is better for multi-smooth-step animations.

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rodrigo.siqueira

remix of d/11131 by u/rodrigo.siqueira

function u(t) {

c.width|=N=890;x.font='3em"'
JSON.stringify(Object.keys(this)).split`"`.some((_,i)=>x.fillText(_,S(t+i)*280+N,N+i*9-Math.abs(S(t/40)*5e3)))

Nov 23 2018 6:13 PM UTC

}// 139/140

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DNA CODE

u/katkip

that's smart
u/lionleaf

#dna

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Jugger

function u(t) {

c.width=700
for(i=1;i<50;i+=0.0625)
x.fillRect(350+S(4*t+i%Math.PI)*200,S(8*t+i*2)*100+200,5,5)

Sep 14 2018 11:32 PM UTC

}// 95/140

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Infinity! Faster version :O

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yonatan

remix of d/9510 by u/yonatan

function u(t) {

for(i=w=c.width=500;(i*=.9998)>w/2;x.fillRect(w/2+S(i+t)*q,j*300-C(i+t)*q,9,9))j=1-i/w,q=(2+S(i*5)**3)*j**4*w,x.fillStyle=R(a=j*600,a*2,a/2)

Aug 30 2018 3:50 AM UTC

}// 140/140

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u/f8f82804

#d3 #animated
u/katkip

#cute
u/username

why would you choose that color. yellow on white is real bad
u/yonatan

I wanted a green stem
u/username

that makes sense
u/iverjo

#flower
u/yonatan

Vertex shader version: https://www.vertexshaderart.com/art/NTmBiN65…
u/vain

just unbelievable!

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f8f82804

remix of d/9534 by u/f8f82804

function u(t) {

with(x)for(i=3;--i;beginPath(fill(lineTo(960*i+i%2*320*(t%6-3),h))))fillStyle=`hsl(32 50%${30+t%6*i+6*i}%)`,moveTo(960,340),lineTo(0,h=1080)

Aug 29 2018 7:41 PM UTC

}// 140/140

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Rotating pyramid. Thanks to u/yonatan for help with the colors! #shading

u/katkip

Yes! That's exactly what I originally wanted to do! (but i'm more stupid lol) Nice done!
u/aleamb

very smart!
u/katkip

That's genius! The colors illusion

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yonatan

function u(t) {

for(i=1e3;t<3&&i--;x.fillRect(960+S(i)*q,(1200/t)+C(i)*q,9,9))q=(2+S(i*6)**3)*t**4.5,x.fillStyle=R(a=t**1.6*55,a*1.5,t*t*15)

Aug 28 2018 11:00 PM UTC

}// 124/140

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Show more comments…
u/joeytwiddle

Excellent! Angel's trumpet. #flower #organic
u/yonatan

Thanks! I was wondering what's that tree's name was
u/katkip

This is so beautiful
u/magna

OMFG
u/aleamb

OH MY!!!!
u/DataMeta

#wizardry
u/13thptr

#witchcraft

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yonatan

remix of d/9345 by u/yonatan

function u(t) {

f=f=>(f(i)+f(z=i**.5)+f(t))*i/15-w
for(x[r='fillRect'](e=C(t),w=-600,i=2e3,i);i--;x[r](f(S)-e*w,f(C),z,z))x.fillStyle=R(q=(3-C(e-i))**4,q,q)

Aug 26 2018 9:07 PM UTC

}// 140/140

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u/f8f82804

#shading
u/joeytwiddle

Very cool! #lighting
u/firegodjr

Amazing!
u/DataMeta

Shader w/o compression is massively impressive
u/aleamb

incredible..
u/lionleaf

Very impressive! #d3 #snail #light
u/iverjo

Wow!
u/vain

stunning!

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Agnes

function u(t) {

with(x)for(c.width|=j=200;j--;fill())beginPath(r=~~(j/20)),arc(960+r*50*S(a=.314*(j%20))+25*S(M=t*S(t+j/200)),540+50*r*C(a)+25*C(M),2*r,0,7)

Jul 23 2018 10:20 AM UTC

}// 140/140

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Gelatinous tunnel

u/Xen

Nice!
u/aleamb

Coool!!
u/recoder

Hypnotic!
u/fujimotos

#tunnel

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mvs202

function u(t) {

w=c.width|=0
for(i=9;i;){x.moveTo(0,w)
x.fillStyle=R(r=66*i--,g=i&1?-t:t,b=215,.1)
while(b--)x.lineTo(b*9,b^214?r+44*C(b/8+i+g):w)
x.fill()}

Jul 18 2018 3:01 AM UTC

}// 140/140

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