Dwitter - javascript demos in 140 characters

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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lionleaf

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<19;i++)
x.fillRect(200+i*S(t)*S(t)*49,400,50,200) // draw 50x200 rects

Feb 1 2020 12:08 AM UTC

}// 113/140

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New theme! #growth #default #loweffort

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KilledByAPixel

remix of d/17185 by u/KilledByAPixel

function u(t) {

with(x)for(c.width|=j=1e3,scale(9,3);j--;j%5?arc(109,52+j/5,j>900?99:25,a=t+j/.63662,a):beginPath(stroke()))setLineDash([j>930?2:j>99?0:6])

Jan 30 2020 5:15 PM UTC

}// 139/140

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Tiny Tower With Wall #castle

u/katkip

Awesome!
u/tomxor

wow

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KilledByAPixel

remix of d/17379 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑳🐨𦀬𦐬𬠬𪐽𜀩🐾𮰊𩡯𬠨𩡩𫁬𤱴𮑬𩐽𪰿𙰣𩡦𙰫𪰪𪰺𙰣𜀰𜀱𙰬𨡥𩱩𫡐𨑴𪀨𩡩𫁬𚁡𬡣𚁘𛁙𛁫🱲𞠲𩐳𛀰𛀷𚐩𚐻𪐼𞐻𪐫𚰩𭰽𪐪𬠪𞐬𘑫𯁲🠵𙠦𬰨𦀫𤰨𨐽𪐦𙠲𞐹𚡴𛱷𚱫𚐪𭰬𦐫𠰨𨐩𚡷𛰲𛁫𚰫🱲𚠨𛠶𛑃𚁫𚡫𚐯𝐩𞠹𚐊𯐊𬰨𞐶𜀬𝐴𜀬𪰽𜀩`.replace(/u../g,'')))

Feb 1 2020 4:23 AM UTC

}// 140/140

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Proto Solar System

u/Odog8

real gravity?
u/KilledByAPixel

no, it is faked!

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Odog8

function u(t) {

Math.sqrt(x)
x**.5

Math.sqrt(x*c)
(x*c)**.5

Feb 3 2020 4:41 PM UTC

}// 44/140

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golfing tricks improved ;)

u/Xen

first vanished? how magical, you forgot the cubed root part ;)
u/Odog8

eh, who uses cube root ;/
u/Odog8

credit to u/Xen btw
u/Xen

cheers,, may just be an edge case somewhere for x**(1/3), i kinda wanna make one now ;-)

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Cloud

function u(t) {

for(c.width|=i=10;i--;){a=T(t*2+i/10)
b=a*300
d=t*2+i
x.fillStyle=R(a*100)
x.arc(960-(S(d)*b),540-(C(d)*b),100,0,7)
x.fill()
x.beginPath()}

Feb 2 2020 9:25 AM UTC

}// 139/140

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u/Hepka

It's beautiful! You can put it on the site loading screen.

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KilledByAPixel

function u(t) {

with(x)for(c.width|=i=0,translate(960,540);i<1e3;rotate(i++?1/156:t))fillStyle=`hsl(${i} ${z=S(i/64)**3*99}%${79-z/4}%`,fillRect(0,99,4,399)

Jan 31 2020 7:04 AM UTC

}// 140/140

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DVD 📀

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iznax

function u(t) {

for(x.beginPath(),i=60;i;x.fill(x[--i%3?'lineTo':'moveTo'](960+S(i*.13+t)*1e3,500+C(i*.2+t/.55)*500)))x.fillStyle=R(68+t*8%99,i,i*S(t)*8,.1)

Feb 1 2020 5:53 AM UTC

}// 140/140

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Dream Weaver

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xem

function u(t) {

for(n=.5,i=9e3;n=t/4*n*(1-n),i--;)i<300&&x.fillRect(t*99,1e3-n*1e3,2,2)

Jan 31 2020 4:44 PM UTC

}// 71/140

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Logistic map (to scale)

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rodrigo.siqueira

remix of d/17406 by u/rodrigo.siqueira

function u(t) {

for(i=1e3;i--;x.fillStyle=R(Y+Z,Y,X,.02))t<2&&x.fillRect(X=120+C(z=S(t*i**8)*7+4)*i**1.5,Y=500+S(z/2)*i*t,Z=i*S(t),Z)

Jan 30 2020 10:13 PM UTC

}// 117/140

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Desert heat #abstract #colors #art

u/sigveseb

Looks good! Nice and long remix chain too .)
u/sigveseb

:)

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cagr30

function u(t) {

with(x)for(c.width|=j=1e3,scale(9,3);j--;j%156?arc(109,52+j/5,j>900?99:25,a=t+j/.63662,a):beginPath(stroke()))setLineDash([j>930?2:j>9?0:6])

Feb 1 2020 9:02 PM UTC

}// 140/140

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u/KilledByAPixel

hey carg30, welcome to dwitter! you can remix dweets by editing them first, also don't repost dweets without changing them. I deleted your repost of yonatan's dweet for you, but you can delete your own dweets too!