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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tscotn

function u(t) {

b=255
for(i=0;i<c.width/20;i++) {
x.fillStyle=R(b,Math.random()*b,Math.random()*b,.1)
x.fillRect(0,Math.random()*c.height,1920,1080)
}

Nov 7 2020 2:02 AM UTC

}// 134/140

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Sunset Vibes

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sabre_sabyata

remix of d/7429 by u/p01

function u(t) {

for(c.width=i=210;i-=1/8;x.fillRect(99+(i-99)*C(t)+S(i)*r,S(i/67+S(t)/2)*75+C(i)*r,9,9))r=50*T(i/70-6),x.fillStyle=R(a=r*(9-C(i*3)**9),a*.3)

Nov 7 2020 1:30 AM UTC

}// 140/140

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obliterated belated halloween banana

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sabre_sabyata

function u(t) {

x.fillStyle = R(S(t)*255, S(t)*255, C(t)*255)
for(i=0;i<9999;i++)
x.fillRect(i/5,T(i/5)*S(t)*50+540, 9, 2)

Nov 7 2020 1:16 AM UTC

}// 106/140

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My wife's favourite colours 💙💛

u/Xen

welcome to the dwitter family

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rodrigo.siqueira

remix of d/12398 by u/rodrigo.siqueira

function u(t) {

f=(X,Y,r,a,s,d=1)=>r>.5&&x.lineTo(X,Y)|f(X+C(a-=s/3.9)*r,Y+S(a)*r,r-r/22,a,s,-d)|f(X,Y,r/3,a+s*d,s*d)
t||f(400,200,130,1.5,.6)|x.stroke()

Nov 4 2020 4:06 PM UTC

}// 137/140

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Fractal plant swirl #fern #spiral #fractal #plant

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ashish9b

remix of d/20487 by u/ashish9b

function u(t) {

for(Y=t*2,X=200;X--;x.fillStyle=R(o=222*C(C(S(t+X/22)-t+S(X/(999+T(X/2+Y/2))))),o*.22))x.fillRect(X*11,22,21,11)
x.drawImage(c,0,11)

Nov 5 2020 11:05 PM UTC

}// 132/140

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#WaveOfLove - Love Waveform

u/andrea270872

Smooth :)

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tscotn

function u(t) {

b=255,x.fillStyle=R(Math.random()*b,b,Math.random()*b,.1),x.fillRect(Math.random()*c.width,Math.random()*c.height,50,50)

Nov 6 2020 7:03 PM UTC

}// 120/140

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Cubic Moss

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tscotn

function u(t) {

b=255,x.fillStyle=R(Math.random()*b,Math.random()*b,b,.1),x.fillRect(Math.random()*c.width,Math.random()*c.height,50,50)

Nov 6 2020 7:01 PM UTC

}// 120/140

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Cubic Raindrops

u/Xen

welcome to the dwitter family

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magna

function u(t) {

g=x=>S(y/8+t)
eval(unescape(escape`睩瑨⡸⥦潲⡦楬汒散琨〬〬眽挮睩摴桼㴰ⱷ⤬椽㈵㘻椭ⴻ晩汬⠩⥢敧楮偡瑨⠩ⱡ牣⠨堽椥ㄶ⬱⤪㘴Ⱘ礽⡩㸾㐩⬱⤪㘴ⰳ㈪䵡瑨⹡扳⡶㵧⡘⤩ⰰⰷ⤬晩汬却祬攽刨眬欽⡶㸰⤪眬欩`.replace(/u(..)/g,"$1%")))

Nov 3 2020 4:50 PM UTC

}// 139/140

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https://tixy.land runtime. Enter code in the arrow function on the first line.

u/magna

Uncompressed: with(x)for(fillRect(0,0,w=c.width|=0,w),i=256;i--;fill())beginPath(),arc((X=i%16+1)*64,(y=(i>>4)+1)*64,32*Math.abs(v=g(X)),0,7),fillStyle=R(w,k=(v>0)*w,k)
u/magna

x/y offset fix in d/20502

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ashish9b

remix of d/9601 by u/f8f82804

function u(t) {

for(i=300;i--;t||x.strokeRect(3,2,994,99))x.setTransform(s=9*S(i),3,4,s,i%3*420+790,360*(i/5%+1|0)),x.rotate(s/64)

Nov 6 2020 12:09 AM UTC

}// 114/140

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Canopy

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ashish9b

remix of d/1668 by u/sawaxon

function u(t) {

c.width=1920;for(j=3;j<6;j++)for(i=5;i<122;i++)x.fillRect(900+S(19+i/(S(t*j)*29))*j*90,500+C(i/((t+149)/9))*j*80, 19, 19)

Nov 6 2020 12:04 AM UTC

}// 121/140

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SYNTH