Dweets awesomed by u/magna

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) {

eval(unescape(escape`景爨欽椽㉥㌻椭ⴻ砮晩汬剥捴⡓⡴⤪稫㤶〫匨洽房⡫⩪簰⤪⨴㨰⤪爭猯㈬䌨琩⩺⬵㐰⭃⡭⤪爬猬房猺猯㤩⥢㵩┲㤬稽椯㤬樽⡩⽫⭴⤥ㄬ爽⡢㼱攴㨸攳⤯稬猽㙥㌯稬砮晩汬却祬攽刨愽㤹⭓⡪⨹⤪㠸ⱡⱡ⤻`.replace(/u(..)/g,"$1%")))//SC

Oct 2 2018 12:01 AM UTC

}// 140/140

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Strange crystals v0.140

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u/BalintCsala

Thanks to u/yonatan for making this possible
u/joeytwiddle

Strange crystals was a #js1k demo so wow! https://js1k.com/2013-spring/demo/1459 https://js1k.com/2013-spring/demo/1555
u/joeytwiddle

yonatan's 139 redux: for(k=i=2e3;i--;x.fillRect(960+S(m=(k*j&-b)**4)*r-z,540+C(m)*r,T=5e3/z,T))b=i%9>0,j=(i/k+t)%1,z=i/9,r=(b?1e4:8e3)/z,x.fillStyle=R(S(j*9)*z)
u/joeytwiddle

yonatan's 149 redux: for(k=i=2e3;i--;x.fillRect(960+S(m=(k*j&-b)**4)*r-z,540+C(m)*r,s=5e3/z,s))b=i%9>0,j=(i/k+t)%1,z=i/9,r=(b?1e4:8e3)/z,x.fillStyle=R(a=99+S(j*9)*99,a,a)
u/magna

Whoa!
u/lionleaf

#minecraft
u/iverjo

#witchcraft
u/Joachim

#tunnel

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Purpzie

remix of d/251 by u/lionleaf

function u(t) {

B=' BOTTLES OF BEER';O=' ON THE WALL. '
a=i=>i&&i+B+O+i+B+'. TAKE 1 DOWN, PASS IT AROUND, '+(--i)+B+O+a(i)
x.fillText(a(c.width=99),-t*99,9)

Oct 1 2018 8:23 PM UTC

}// 140/140

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fixed the grammar and made it funnier

u/donbright

bwahaha

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Purpzie

remix of d/10149 by u/Purpzie

function u(t) {

for(i=64;i--;)x.fillStyle=`hsl(${i*5+t*30} 60%${S(t*3)*25+50}%`,x.fillRect(i*30,S(4*t+3*i)*99,20,99);x.drawImage(c,S(t)*5,5+(0|C(t))*5)

Oct 1 2018 7:40 PM UTC

}// 135/140

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donbright

remix of d/10189 by u/QXY

function u(t) {

c.width=720
for(i=80;i--;)for(j=40;j--;){I=i-t*t
J=j-20
B=I*I+J*J
I=i-40
G=I*I+J*J
x.fillStyle=R(B%G%256,0,G%B%256)
x.fillRect(i*9,j*9,9,9)}

Oct 1 2018 6:19 AM UTC

}// 140/140

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black holes crash, flip universe colors

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ellisk1

function u(t) {

c.width|=q=.2992;x.translate(960,540);for(i=0;i<329;i++)x.rotate(q+(i%22?0:q/2)+(i<1)*t),x.fillRect(a=((i/22|0+t/2)+2*t)%15*50,a,w=a**.75,w)

Sep 30 2018 11:45 PM UTC

}// 140/140

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Changing Circular Patterns

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yonatan

remix of d/10175 by u/yonatan

function u(t) {

eval(unescape(escape`景爨挮睩摴栽㤹Ⱪ㴲攳㭩ⴭ㭾⡱籙⤦㐦☱㰼⡙㰼㉼焪㈩☳㔹㑼籸⹦楬汒散琨㔰⭃⡭⤪爬甪㈲ⵓ⡭⤪爯㌬㘬㔩⥡㵩⼱㠬爽⠹⭃⡩⤩⨶⩓⡓⡵㴳⵩⼶㘶⤪⨮㔩ⱸ⹦楬汓瑹汥㵒⡧㵓⡭㵴⭡⤪㌰〬术㈩ⱙ㵵⨳ⴴⱱ㵡┶⸳`.replace(/u(..)/g,"$1%")))

Sep 30 2018 7:51 PM UTC

}// 140/140

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Another jackolantern (thx u/BirdsTweetCodersDweet)

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u/yonatan

for(c.width=99,i=2e3;i--;~(q|Y)&4&&1<<(Y<<2|q*2)&3594||x.fillRect(50+C(m)*r,u*22-S(m)*r/3,6,5))a=i/18,r=(9+C(i))*6*S(S(u=3-i/666)**.5),x.fillStyle=R(g=S(m=t+a)*300,g/2),Y=u*3-4,q=a%6.3
u/yonatan

Light it with: R(g=300-S(m=t+a)*255,...
u/joeytwiddle

#halloween #pumpkin
u/donbright

insane
u/katkip

i do not have word to say
u/magna

*curse words*
u/sigveseb

holy
u/UEZ

Can you explain me how JS executes this: ~(q|Y)&4&&1<<(Y<<2|q*2)&3594||x.fillRect()? Thx

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QXY

function u(t) {

c.width|=0;for(i=69;i--;){x.lineWidth=i,x.beginPath(),x.arc((o=i&1?-99:99)*2*C(t)*S(t*.2)+960,o*.9*S(t)*C(t*.7)+520,i**1.76,0,7),x.stroke()}

Sep 30 2018 7:37 PM UTC

}// 140/140

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boring interference :)

u/Xen

i love it :)
u/donbright

fascinatin
u/donbright

i was looking up Young's double slit - this reminds me of his original drawings he made in the early 1800s, https://bit.ly/2OsA1mh

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prplz

remix of d/9912 by u/prplz

function u(t) {

x.strokeRect(t*=40,t,T(t)*64,T(t+11)*64)

Sep 30 2018 12:16 AM UTC

}// 40/140

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u/donbright

sometimes the simplest are the most interesting
u/sigveseb

yeaaaah this is cool!

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yonatan

remix of d/10159 by u/yonatan

function u(t) {

eval(unescape(escape`景爨椽㉥㌻椭ⴻ⠡⠨浼天☭㐩⨨ㄼ㰨夼㰲籭⨲⴮㘩☳㔹㐩⥼籸⹦楬汒散琨㤶〫䌨洩⩲ⱓ⠭洩⩲⼴⭴⨴㔰ⰹⰹ⤩戽䌨椯ㄶ⤬爽⠲〫戩⨵〪匨匨琩⨪⸵⤬砮晩汬却祬攽刨焽㌰〫截⨳⨹ⵓ⡭㵩⼳㈰⤪ㄸ〬焯㈩ⱙ㵴⨳ⴴ`.replace(/u(..)/g,"$1%")))

Sep 29 2018 8:11 PM UTC

}// 140/140

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Happy Halloween! (yes, I know it's a month from now)

u/yonatan

for(i=2e3;i--;(!((m|Y)&-4)*(1<<(Y<<2|m*2-.6)&3594))||x.fillRect(960+C(m)*r,S(-m)*r/4+t*450,9,9))b=C(i/16),r=(20+b)*50*S(S(t)**.5),x.fillStyle=R(q=300+b**3*9-S(m=i/320)*180,q/2),Y=t*3-4
u/magna

DUDE.
u/joeytwiddle

Amazing! :D #pumpkin #halloween
u/Fox

2spook4me

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Purpzie

remix of d/6048 by u/staberinde

function u(t) {

for(c.width|=i=0;i<361;i++)x.fillRect(C(i)*(a=i*C(t*i/360))+960,S(i)*a+540,9,9)

Sep 29 2018 6:56 PM UTC

}// 79/140

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Shortened by a whopping 55 characters

u/donbright

inspired by @Purpzie #interference i simplified an old one ... what fascinates me is the entire pattern is based on modulo function applied to Quadrance, there is no cosine, sine, trig, or even really commands to draw colors based on posiiton. #waitforit
u/donbright

sorry meant to post that on my remix
u/Purpzie

oh pfft it's okay

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