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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pavel

remix of d/10076 by u/yonatan

function u(t) {

t?X*X+Y*Y>2.4e5&&(v=C(t*t)/42-.07,U=v*X,V=v*Y):U=V=Y=X=3
X+=U;Y+=++V
x.arc(w=960,h=540,h,0,c.width|=0);x.arc(w+X,h+Y,40,0,7)
x.fill`evenodd`

Jun 2 2019 12:27 AM UTC

}// 140/140

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#physics #bounce

u/pavel

The velocity of the bounce changes on every hit, otherwise the ball would settle on a simple pattern

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veubeke

function u(t) {

x.font=300+S(t*2)*99+'px"'
x.save()
x.translate(960,540)
x.rotate(t)
x.fillText('💩',-85,40)
x.restore()
x.drawImage(c,-2,-2,1924,1084)

Jun 4 2019 7:18 PM UTC

}// 134/140

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Oh shit

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rodrigo.siqueira

function u(t) {

v=(a,b,Φ,r)=>{for(i=0;i++<r;)x.fillRect(a-=S(Φ),b-=C(Φ),s=r/18,s)
r>9?v(a,b,Φ+.5,r*=.72)&v(a,b,Φ-.5,r):0}
if(t<2)v(S(t**7)*3e3,1e3,0,72*t*t)

May 31 2019 3:04 PM UTC

}// 140/140

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Autumn forest #tree #recursive #fractal #organic

u/13thptr

nice
u/katkip

Awesome!!
u/SMON

Φ <3
u/aleamb

amazing!

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Xen

remix of d/14403 by u/veubeke

function u(t) {

t?x.strokeStyle=`hsla(${a+=5},99%,50%,.4)`:x.translate(960,a=540)
x.rotate(22)
x.strokeRect(-50,-9,99,99)
x.drawImage(c,-977,-550,1952,1098)

Jun 3 2019 4:46 PM UTC

}// 140/140

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Shoutz 2 Veubeke

u/veubeke

<3

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username

remix of d/3035 by u/artfarnaa

function u(t) {

 for (c.width|=a=142;--a;x.arc(966+S(G+t)*400,
 540+C(t+G*1)*400,a%2*137*Math.abs(S(t))*4,0,
 6.2832))x.moveTo(G=a/2|0,0)
 x.fill('evenodd')

Jun 4 2019 3:30 PM UTC

}// 140/140

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#randomremix nr. 5

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SuperFromND

remix of d/3234 by u/artfarnaa

function u(t) {

for(i=(w =c.width=1e3),x.fillRect(0,0,w,w);i--;)x.clearRect(w/2+T(p=(q=T(i)%t*75)/(2/5)+t)*q,275+C(p*(1))*q,5,2)

Jun 2 2019 8:04 AM UTC

}// 112/140

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Distortion

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KilledByAPixel

remix of d/14319 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𩑶𨑬𚁬𫱣𨑬𤱴𫱲𨑧𩐮񉐩𞱒👥🐾𚁲𧠽𬠼🀳𛁲𧠽𬠾🠲𛁲𙐱𩐵𚐻𭀿𫱮𪱥𮑤𫱷𫠽𩐽🠨𤀽𤠨𫐽𤠨𠐽𤠨𣀽𤠨𩠽𚁒𚁲👥𛡫𩑹𠱯𩁥𚠹𞐩𚐯𜡅𝠩𛰴𚐪𣀯𜑥𝐩𛰲𡐸𚐬𪐿𪐽𜐺񉐨𡠽𧰽🡖👩🡌🰰𞡃𚁩𚰫𚡦𚡃𚁩𚡭𚱐𚐩𚠨𪐼𠐿𪐯𠐺𜐭𚁩𛑁𚐯𚁌𛑁𚐩𛰲𚐩𞡩🐰`.replace(/u../g,'')))

Jun 3 2019 3:55 AM UTC

}// 140/140

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♫ ZzFX Mini ♫ Requires #DAP d/14319 ~ Click the canvas to activate. Each key on the keyboard plays a different sound effect.

u/KilledByAPixel

This is a Dwitter sized version of my open source ZzFX Zynth - https://github.com/KilledByAPixel/ZzFX

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katkip

remix of d/14381 by u/LimeLaser

function u(t) {

r=Math.random
with(x){
fillStyle=R(255*r(),255*r())
fillRect(t*99,0,8,899)
t||translate(960,540)
rotate(3.1416*2/3)
drawImage(c,0,0)}

Jun 3 2019 3:44 PM UTC

}// 133/140

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KilledByAPixel

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡩㴰㭩㰲㔵㭦楬氨❥癥湯摤✩⥢敧楮偡瑨⡸⹦楬汓瑹汥㵒⡱㴱㈷⨨ㄫ匨琪㈭椯㌲⤩ⱱⱱ⤩Ⱳ散琨〬〬㉥㌬㉥㌩ⱺ㴨椿㔰⭩㨰⤪⨲⨮〳Ⱳ散琨㤶〭稯㈫㤹⩓⡩⼲㤭琪㈩ⰹ㤪匨椫⬯㈭琪㌱⤭稯㈬稬㈵〫稩`.replace(/u(..)/g,"$1%")))

Jun 5 2019 3:52 AM UTC

}// 140/140

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Climbing The Wavy Staircase

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LimeLaser

function u(t) {

with(x){font="300pt arial"
translate(960,540)
rotate(t)
fillStyle=`HSL(${60*t},100%,50%)`
fillText(100,400*S(t),100)
translate(-960,-540)}

Jun 3 2019 11:53 PM UTC

}// 138/140

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Help Me Reach 100 Points And Achieve Immortality (Please)!

u/Xen

done
u/LimeLaser

Thank you :)