Hot dweets by u/BalintCsala

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: #Opposites

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BalintCsala

function u(t) {

for(c.width=X=200;X--;x.fillRect(X,54+S(X/9)*9,1,1))k=C(t)
z=S(t)/9
x.arc(t*9+(k+k**3)/z,54+z*81-(j=1+k*k)/z,(j**3/z/z)**.5,0,7)
x.stroke()

Oct 10 2019 12:43 AM UTC

}// 139/140

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Based on https://twitter.com/Fujino_Yuusui/status/117…, draws the circle, that approximates the path at every point

u/katkip

Wtf awesome

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BalintCsala

function u(t) {

eval(unescape(escape`景爨挮睩摴桼㵩㴹㭩ⴭ㭸⹴牡湳景牭⡫㴮㘲⩃⡡㵓⡴⤪ㄮ㔷⤬猽⸶㈪匨愩Ⱝ猬欬眬眩⥸⹲散琨ㄬㄬ砮汩湥坩摴栽眽㌰〬眩ⱸ⹱畡摲慴楣䍵牶敔漨⡺㴱㔰⤫匨琩⩺ⱺⵓ⡴⤪稬眬眩㭸⹳瑲潫攨⤻`.replace(/u(..)/g,"$1%")))

Nov 8 2018 7:58 PM UTC

}// 131/140

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Fibonacci spiral

u/katkip

Owwww woottt thats awesome
u/rodrigo.siqueira

SOURCE CODE: for(c.width|=i=9;i--;x.transform(k=.62*C(a=S(t)*1.57),s=.62*S(a),-s,k,w,w))x.rect(1,1,x.lineWidth=w=300,w),x.quadraticCurveTo((z=150)+S(t)*z,z-S(t)*z,w,w);x.stroke();
u/rodrigo.siqueira

Animated Golden Rectangle #Fibonacci Sequence
u/vain

very cool golden ratio / rectangle fx. (never seen before like this, great!)

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BalintCsala

function u(t) {

x.fillRect(0,0,c.width=160,160)
for(i=36;i--;i-35&&i%7-2&i%7-6&&x.fillRect(10+i*4,44,3,16))x.clearRect(8+i*4,44,3,21+(i==(t*3+5|0)**3%36))

Oct 26 2018 10:42 PM UTC

}// 138/140

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Piano playing itself

u/magna

Awesome! Using - instead of + makes it more like depressing the keys IMHO.
u/BirdsTweetCodersDweet

That's 21-(i== for you... Took me a while to figure out which + you meant :P
u/lionleaf

#piano

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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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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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BalintCsala

function u(t) {

eval(unescape(escape`挮睩摴栽ⴱ㭣⹳瑹汥⹦楬瑥爽恩湶敲琨⑻⡴⬮㔩┲簰絠㭦潲⡪㴹㤻樭ⴻ⥸⹳整呲慮獦潲洨猽匨愽⵴⨱⸵㜩Ɽ㵃⡡⤬搬⵳Ⱘ䠽⠨琫⸵⤥㈼ㄩ⨱㠩⬨樥㄰ⴱ⭴┱⤪㌵Ⱘ樯㄰簰⤪㌵ⵈ⤬砮晩汬剥捴⠭ㄳⰭㄳⰲ㔬㈵⤻`.replace(/u(..)/g,"$1%")))

Sep 27 2018 8:41 AM UTC

}// 139/140

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Inspired by a beesandbombs tweet

u/katkip

This dweet is awesome!
u/Xen

impressive!
u/joeytwiddle

Lovely :)
u/joeytwiddle

#beesandbombs https://twitter.com/beesandbombs/status/1044…
u/asad123

nice

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BalintCsala

function u(t) {

eval(unescape(escape`挮睩摴栽㔰〻景爨椽ㄸ〻椭ⴻ砮獴牯步⡮敷⁐慴栲䐨恍㈵〠㜹䌤筘㵃⡩⼶〩⨱㐰⬲㔰⭓⠨椯㤫琩┳⸱㐩⨹素㈰․筘素㌰〠㈵〠㈴だ⤩⥸⹳瑲潫敓瑹汥㴢⍦㘳∻砮晩汬却祬攽∣ち〢ⱸ⹦楬汒散琨㈴㜬㔰ⰹⰲ㔩`.replace(/u(..)/g,"$1%")))

Sep 28 2018 8:47 PM UTC

}// 138/140

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Pumpkin

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BalintCsala

function u(t) {

for(c.width|=i=500;i--;x.fillRect(C(k)*250+910,S(k)*99-H*S(J)*9,3,959))x.fillStyle=R(a=(S(k=i/160)+1+(H=(a=k*3+t)%2<1)*C(J=a/.32)/2)*99,a,a)

Sep 20 2018 10:28 PM UTC

}// 140/140

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Pillar, huge thanks to u/yonatan for helping with golfing

u/katkip

Looks real
u/sigveseb

Nice!
u/joeytwiddle

#model

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BalintCsala

function u(t) {

t||x.translate(960,0)
for(X=100;X--;x.fillRect(X-50,t*60+S(t)*99,2,3))x.fillStyle=X>44&&X<54&&t%1<.5?"#fff":"#000"
x.scale(s=1.005,1.0005)

Sep 20 2018 3:29 PM UTC

}// 138/140

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road

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BalintCsala

function u(t) {

eval(unescape(escape`挮獴祬攮扡捫杲潵湤㵒⠰ⰰⱔⵓ⡴⤪㜰⤻景爨椽挮睩摴栽㈵㠻椭ⴻ砮晩汬剥捴⡩ⰷ㔭匨椯㐵⤪㈰ⰳⱔ㴹㤩⥸⹦楬汓瑹汥㴢⌰㔰∬椾㸸☦砮晩汬呥硴⡓瑲楮朮晲潭䍯摥偯楮琨ㄲ㠰㌰⵩⤬䌨愽椪㤭琩⩔⭔ⱓ⡡⤪含吩`.replace(/u(..)/g,"$1%")))

Sep 19 2018 11:28 PM UTC

}// 140/140

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Moon and sun

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