Dweets awesomed by u/SuperFromND

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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yonatan

remix of d/10629 by u/yonatan

function u(t) {

s=c.style;s.backgroundBlendMode='difference';for(b=[i=9];i--;s.background=b)b[i]=`radial-gradient(at ${50+S(t+i)*50}%${i*9}%,#fed,#012 50%)`

Oct 24 2018 7:13 AM UTC

}// 140/140

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u/lionleaf

Wow! That's trippy and cool looking :D Looks like an oil spill or something #plasma #oil #oil_spill
u/joeytwiddle

Great!
u/tomxor

Neat, looks like #diffraction and #Interference, I guess it is litterally the later.
u/katkip

cool
u/Purpzie

Still seems to look the same without s.backgroundBlendMode='difference'
u/yonatan

Dwitter doesn't reset CSS styles when you edit the code. Try making it '' instead of 'difference'
u/lionleaf

u/yonatan Oh, I guess that's a bug.
u/DataMeta

Absolutely incredible

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anotherkitten

remix of d/10600 by u/anotherkitten

function u(t) {

for(t+=i=17;i--;x.beginPath(x.fill()))p=i+t%1,x.fillStyle=`hsl(${(p-t)*9} 50%${i-t&1?40:60}%`,x.arc(960+C(p+t)*p*p,540+S(p+t)*p*p,5*p*p,0,7)

Oct 22 2018 4:11 AM UTC

}// 140/140

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odd spiral

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u/veubeke

wow
u/joeytwiddle

I really like these colours
u/pavel

groovy!
u/DataMeta

Niiice!
u/aleamb

yeah! cool!
u/pavel

You use a trick that does not work on iPhone. In the HSL call you need a space between S and L.
u/veubeke

@pavel: here’s a version that works in Safari d/10641

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ersagun

function u(t) {

for(i=j=0,f=24;f--;i+=d("◴∈⌹⌙⍈⌮⌠⌇⌢⌑⌆⌤⌾⍃⌣⌘⌯⌧〈⌳〉⌤⌬⌯"),j+=d(
"○⍈⌾⋻⌤⋧⌥⌬⌰⍕⍓⌗⌥⋼⌘⌭⋧〉⌔⌗⍃⌫⌛〈"))d=a=>C(t*f)*(a.charCodeAt(f)-9e3)
x.fillRect(i,j,9,9)

Oct 21 2018 12:11 AM UTC

}// 140/140

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#yeah

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u/ersagun

This uses a modified version of DCT. All data is in 2 magic strings. To create your own: https://pastebin.com/zEH5aH1R copy this to a dweet draft, draw, get your own magic strings.
u/katkip

wait wot that s actually toi impresive to think how its made
u/iverjo

Clever!
u/Banjuan

Wow dude!
u/Banjuan

Wow dude!
u/magna

yup.
u/aleamb

yeah!!!
u/f8f82804

Awesome! I don't think I've seen a technique like this before! #compressed #math
u/cantelope

crazy cool

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rnbw

function u(t) {

c.width=1920;x.fillStyle='#dbf';for(j=-16;j<159;j++)for(i=0;i<36;i++)x.fillRect(-600+i*99+C(t+j/20+i/5)*(S(t*3+i)*99),8*j+C(t+i/2)*99,99,9)

Oct 19 2018 4:36 PM UTC

}// 139/140

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oh would you look at that, now i can say i've made a dweet! (the performance isn't very good from what i've experienced, but the visual turned out well, so make of it what you will)

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joeytwiddle

function u(t) {

for(c.width|=j=20;j--;x.fillRect(960+S(k=9*t+j/2.3)*12-w,540+C(k)*12-h,2*w,2*h))x.fillStyle=R(s=13*j,s,r=s*1.5),w=r*(.5+j%2),h=r*(1.5-j%2)

Oct 16 2018 9:51 AM UTC

}// 138/140

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Blue cross tunnel - a tribute to https://pycodelic.blogspot.com/2018/08/tunne…

u/joeytwiddle

Oops the ripples should come outwards k=9*t-j/2.3
u/sigveseb

pretty colors
u/joeytwiddle

That website is actually made by a Dwitter user, but I'm sorry I forgot who!

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jonathan-potter

function u(t) {

a=10000;b=1920;d=400;e=50
c.width=b
x.rotate(.8)
for(i=0;i<d;i++) {
z=e*S(i*t/8)+i*e
x.fillRect(z,-b,e,a)
x.fillRect(0,-b+z,a,e)}

Oct 12 2018 11:55 PM UTC

}// 129/140

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put things together until it looked fancy

u/joeytwiddle

Hell yeah you did
u/lionleaf

Hypnotic! And there are so many different phases
u/BirdsTweetCodersDweet

c.width=b=1920,x.rotate(.8) for(i=400;i--;)z=(e=50)*S(i*t/8)+i*e,x.fillRect(z,-b,e,1e5),x.fillRect(0,-b+z,1e5,e) - 112... Now you can fit in a fillStyle() :D

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BalintCsala

function u(t) {

eval(unescape(escape`景爨挮睩摴桼㵙㴹〻夭ⴻ⥦潲⡘㴹㤻堭ⴻ砮晩汬剥捴⠹㤹⭃⡡⤪⠳〰⭫⨹⤬太㄰⭓⡡⤪⠱㈰⭫⨷⤬㄰ⰱ㈩⥸⹦楬汓瑹汥㵠桳氨〠⑻⡫㵙┵☦⡘⭴⨹㤫⡙⼵簰⤪㐩┹㸱⤪㔰紥⑻㘰⭃⡡㵘⼳㈩⨲〭欪㌰紥总`.replace(/u(..)/g,"$1%")))

Oct 12 2018 8:51 PM UTC

}// 136/140

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Very fake bump mapping with very sad framerate

u/BalintCsala

pre-compression: for(c.width|=Y=90;Y--;)for(X=99;X--;x.fillRect(999+C(a)*(300+k*9),Y*10+S(a)*(120+k*7),10,12))x.fillStyle=hsl(0 ${(k=Y%5&&(X+t*99+(Y/5|0)*4)%9>1)*50}%${60+C(a=X/32)*20-k*30}%
u/aleamb

awesome!
u/magna

Looks solid.
u/yonatan

this is great!
u/lionleaf

#bumpmapping #bricks #d3 #chimney :D

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yonatan

remix of d/10334 by u/yonatan

function u(t) {

c.width|=c.style.background='radial-gradient(tan,#000'
for(k=4e3;k--;x.fillRect(960+(k%9/4+S(t)-1)*20*$,640+k/9,2.5*$,k>9?.5:-200))$=20+k/81

Oct 12 2018 5:32 PM UTC

}// 140/140

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#default

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u/donbright

WWWWWWWWWWOAH
u/prplz

this is the one
u/iverjo

#shadows
u/sigveseb

YES! SO GOOD!
u/sigveseb

and it's a #default too! :P
u/loni_art

yooooooooooooooooooo!
u/katkip

lol nice
u/aleamb

great!
u/veubeke

<3
u/katkip

64 awesomes! 29/11/2019
u/dull_pixel

#raytracing
u/vain

amazing! Like the added gradient and shadow fx. ++++

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Purpzie

remix of d/4329 by u/retera

function u(t) {

for(c.width|=0,d=720;d--;x.fillRect(C(a=b/8/t+t/r)*s*S(b%8+t)+960,S(a)*s*C(b%8-t)+540,8,8))s=480+C(r=0|d/72,b=d%72)*r*5

Oct 12 2018 4:53 PM UTC

}// 119/140

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Combined 3 for loops into 1, shortening from 140 to 119 characters

u/donbright

awesome

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firegodjr

remix of d/10338 by u/firegodjr

function u(t) {

x.fillStyle='red'
x.globalCompositeOperation='difference'
for(i=4;i--;)x.drawImage(c,i%2?o=960:0,i/2|0?v=540:0,o,v)
x.fillRect(S(t)*o,v,v,v)

Oct 12 2018 4:39 PM UTC

}// 140/140

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Phosphor Glitch

u/donbright

fascinating

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