Dweets awesomed by u/Galaxtone

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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Galaxtone

remix of d/6498 by u/yonatan

function u(t) {

eval(unescape(escape`稽⡸ⱹⱺ⤽㹸㱹㽹㩸㹺㽺㩸㭯湭潵獥浯癥㵥㴾筣⹷楤瑨㴹㤻景爨椽㈻椭ⴻ砮獴牯步剥捴⠲㤫㈳⩩ⰲ〬ㄹⰱ㤩⥸⹦楬汒散琨㌴⬲㌪椫稨攮砯㈸ⴱ〬ⴵⰵ⤬稨㈲⭥⹹⼱㜭㘬㈰ⰳ〩ⰹⰹ⥽㭴籼潮浯畳敭潶攨筸㨹ⱹ㨹紩`.replace(/u(..)/g,"$1%")))

Aug 27 2018 2:54 AM UTC

}// 140/140

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Exaggerated the eyes a bit.

u/katkip

#interactive

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f8f82804

function u(t) {

t?x.rotate(.01):x.translate(960,540);for(a=s=32;a--+s;c=4+S(t))for(b=s*2;b--+s;x.fillRect(s*a,s*b,s,s))x.fillStyle=`hsl(${c*a^c*b+t} 99%50%`

Aug 26 2018 2:26 AM UTC

}// 140/140

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katkip

remix of d/9439 by u/katkip

function u(t) {

if(!t){l=0;r=-1}while(l<108){x.fillStyle=`hsl(${C(r*r-t)<S(l*l+t)?50:25},99%,50%)`;x.fillRect(++r*10,l*10,10,10);if(r>190){l++;r=-1}}l=0

Aug 25 2018 7:59 PM UTC

}// 136/140

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VIsualizing C(r*r-t)<S(l*l+t)

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robbyg

function u(t) {

with(x){drawImage(c,-40,9,w=2e3,h=1080),fillStyle=R(),fillRect(0,0,w,9);for(i=h;i--;)fillStyle='#049',fillRect(Math.random()*w,0,4,9)}

Jun 15 2018 8:21 PM UTC

}// 134/140

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This one makes me fairly uncomfortable.

u/rep_movsd

#underrated

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alien

function u(t) {

for(o=c.width=i=1900;i--;x.fillStyle=R(o=i+S(t+89*i)*13,0,o/4+i%50))x.fillRect(2*i*S(i+t)*S(o/100)+800,i*C(i+t+o/600)*2+500,i,i)

Jun 10 2018 9:52 AM UTC

}// 128/140

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Black hole , to @Xen basic guide.

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trancor

function u(t) {

eval(unescape(escape`眽挮睩摴栽瑨楳⹩湮敲坩摴栬琿挮潮浯畳敭潶攽攽㹭㵛攮砬攮祝㨨瀽孝Ɑ㵛眯㈬眯㉝⤬瀮灵獨⡛嬮⸮浝ⰰ崩Ɒ⹭慰⠨稬椩㴾筫㵺嬰崬歛そ⬽匨椪椫琩Ⱬ嬱崭㵺嬱崫⬯㤫匨椪㜩ⱸ⹦楬汒散琨⸮⹫ⰹⰹ⤬砮晩汬⠩紩`.replace(/u(..)/g,"$1%")))

May 4 2018 12:28 AM UTC

}// 140/140

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I'll stop with the obfuscation... Thanks for inspiration again u/MrM@_S

u/trancor

w=c.width=this.innerWidth,t?c.onmousemove=e=>m=[e.x,e.y]:(p=[],m=[w/2,w/2]),p.push([[...m],0]),p.map((z,i)=>{k=z[0],k[0]+=S(i*i+t),k[1]-=z[1]++/9+S(i*7),x.fillRect(...k,9,9),x.fill()})
u/iverjo

#smoke
u/iverjo

#interactive
u/sigveseb

#compressed

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jylikangas

function u(t) {

for(c.width=i=714;i--;F(t+i/714+(i>>7)/9,-9))(F=(a,o)=>x.strokeRect(357+S(a)*290-o/(Z=C(a)+1+(t%6<3)),99+C(a*(t/6%4|0))*99/Z,o/=Z/2,o))(i,4)

Apr 17 2018 9:12 AM UTC

}// 140/140

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CHOO CHOO! Let it run to see all the tracks. :)

Show more comments…
u/Agnes

This is your most unbelievable one so far. What the hell.
u/aemkei

Just WOW!!! I can even hear the sound
u/Galaxtone

I stil ldon't know how to make a 3d engine and a camera view that moves around in only 140 bytes
u/New_Core

Very good one...
u/stiaje

No, this is just not supposed to be possible!
u/sigveseb

so simple and elegant :))
u/magna

Dude!
u/nystrand

Outstanding!
u/Renaud___

so great OO
u/aleamb

superb!!
u/hollo47

No. This is not possible.
u/artfarnaa

He's somehow linking another JS :}}
u/lionleaf

Woah!
u/jylikangas

http://jsriffs.blogspot.fi/2018/04/making-of…
u/iverjo

This is really, really impressive!
u/prinzphi

Unbelievable!
u/lionleaf

#train #3d #camera #hashtag_testing
u/sigveseb

Nice Making-of article! <3 more of those please :))
u/sigveseb

#witchcraft
u/lionleaf

#amazing
u/lionleaf

#making_of #blog
u/aleamb

#rollercoaster
u/pythech

wtf! many thanks for the blog post
u/micahcowan

#wireframe
u/alien

WTF!!!!
u/katkip

Wow
u/f8f82804

#d3
u/donbright

YES
u/mpasula

this is just so fucking cool!
u/Tekmap

👏👏👏👏👏
u/stephanegeorget

OMG
u/vain

How? O.o I am very enthusiastic and at the same time speechless

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Galaxtone

remix of d/7696 by u/Galaxtone

function u(t) {

t||(a=b=0);c.onmousemove=e=>m=e;r=c.width/c.clientWidth;with(x)beginPath(),moveTo(a,b),lineTo(a+=(m.x*r-a)*.2,b+=(m.y*r-b)*.2),stroke();

Apr 16 2018 10:04 PM UTC

}// 136/140

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Show more comments…
u/lionleaf

Global variables can remain defined as you edit if you remove the declaration. So it could be working locally but then break when you post it. Missing a declaration of m :)
u/lionleaf

It's a bug :|
u/lionleaf

Waaaaait, nevermind. It gets initialized when I hover my mouse over the dweet. I was a bit too quick there.
u/Galaxtone

Yah, I do that all the time
u/Galaxtone

Plus I already did that with a and b
u/Galaxtone

I just deleted it and fixed it
u/Galaxtone

So yah:
u/Galaxtone

Ignore the m is undefined error, Just move your mouse inside the dwit to make it go away.
u/sirbo

why do you assign m=e and don't simply use e
u/sirbo

why do you assign m=e and don't simply use e
u/sirbo

why do you assign m=e and don't simply use e
u/sirbo

ops

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Galaxtone

remix of d/5168 by u/rippedspine

function u(t) {

t||(a=b=0);c.onmousemove=e=>m=e;r=c.width/c.clientWidth;x.fillRect(a+=(m.x*r-a)*.2,b+=(m.y*r-b)*.2,9,9)

Apr 16 2018 9:52 PM UTC

}// 103/140

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Same as original but saved 24 bytes.

u/BalintCsala

You can just put }{a=b=0 at the end
u/Galaxtone

Saving 4 bytes.
u/Galaxtone

^ (that would save*)

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Galaxtone

remix of d/7617 by u/dragon7076

function u(t) {

t*=2;for(i=1;i<10;i++)x.beginPath();x.moveTo(960+(i-1)*99*C(t),20*t+(i-1)*99*S(2*t));x.lineTo(960+i*99*C(t-1),20*t+i*99*S(2*t-1));x.stroke()

Apr 16 2018 10:25 AM UTC

}// 140/140

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Change the i<10 to i<5 for smaller results, t*=2 to t*=1 for "higher detail"

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