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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rodrigo.siqueira

remix of d/27286 by u/rodrigo.siqueira

function u(t) {

for(v=360;v--;)for(a=b=0,i=9;i--;x.fillStyle=R(a/b*v,b*a))f=a*b,a=a*a-b*b-3+t/5,b=2*S(f)+v/90-2.01,x.fillRect(t*80,3*v,b,b)

Mar 29 2023 12:30 PM UTC

}// 123/140

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Neuro-vascular structure of the Mandelbrot Set #fractal #mandelbrot

u/jdspugh

Wow
u/cantelope

Wild!

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Paulwhoisaghost

remix of d/25123 by u/juanmar0driguez

function u(t) {

if(t<=3.14*8){e=c.width/2;y=c.height/2;a=500;u=6;;x.beginPath();x.moveTo(e+C(t*u)*y,y*(1+S(t)));x.lineTo(e+C(t)*a,y+S(t)*a);x.stroke();}

Mar 30 2023 4:47 AM UTC

}// 136/140

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if(t<=3.14*8){e=c.width/2;y=c.height/2;a=500;u=6;;x.beginPath();x.moveTo(e+C(t*u)*y,y*(1+S(t)));x.lineTo(e+C(t)*a,y+S(t)*a);x.stroke();}

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deobfuscate

function u(t) {

for(i=21;i--;){x.fillStyle=R(i*20*C(t),i*36*S(t),i*14);x.fillRect(960-(i*50)+C(t*i)*10,540-(i*50)+S(t*i*5),i*100,i*100)}




// u thought

Mar 29 2023 4:02 PM UTC

}// 137/140

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simply done

u/deobfuscate

#perspective #cavern

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Xen

remix of d/27310 by u/gpolonus

function u(t) {

x.arc(960+S(t)*t,540+C(t)*t,t*=t,0,t)
x.strokeStyle=`hsl(${t*96} 50%50%`
x.beginPath(x.stroke())

Mar 30 2023 11:08 PM UTC

}// 96/140

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inna '96 Style.

u/gpolonus

🤩

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Xen

remix of d/27303 by u/Xen

function u(t) {

with(x)for(i=721;i--;beginPath(fill()))arc((i*t*t+C(t+i)*i)%3e3-i,(i*t*i+S(i)*i)%1e3,69,0,9),fillStyle=`hsl(${i&i*t},69%,69%,.0069`,stroke()

Mar 30 2023 8:28 PM UTC

}// 140/140

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play 4

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Xen

remix of d/27296 by u/deobfuscate

function u(t) {

e=f=>Math.random()*f|0
with(x)fillRect(e(X=2e3),e(X),9,9+!drawImage(c,C(t*X),S(t*X)),fillStyle='#'+e(8e7));c.onclick=z=>c.width++

Mar 30 2023 5:36 PM UTC

}// 129/140

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Golfed to fit

u/deobfuscate

He used squaresssss
u/Xen

ickle sqarrs tho :-O

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gpolonus

remix of d/27309 by u/gpolonus

function u(t) {

t||(m=[960,540])
r=t*3
x.fillStyle=R((m[0]+=r*S(r)/3)*.13,(m[1]+=r*C(r)/3)/4.23,150)
x.fillRect(...m,50,50)

Mar 30 2023 9:29 PM UTC

}// 107/140

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Spiral Journey of the Rect

u/Xen

nice!

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Xen

function u(t) {

with(x)for(i=129;i--;beginPath(stroke()))arc((i*99+C(t+i)*i)%2e3-99,(t*i+S(i)*i)%1234,90,0,9),strokeStyle=`hsl(${i*t},90%,70%,.1`

Mar 30 2023 8:10 PM UTC

}// 129/140

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Play 1

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deobfuscate

function u(t) {

x.beginPath()
e=()=>Math.random()*2e3
x.ellipse(e(),e(),20,20,0,0,6)
x.fill()
x.drawImage(c,C(frame),S(frame))

Mar 29 2023 6:23 PM UTC

}// 110/140

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dot takeover

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deobfuscate

function u(t) {

c.width+=0
c.style.filter=`blur(2px)invert(1)`
x.font="50em'"
x.fillText('😃',450,800)
for(i=0;i<1080;i++)x.fillRect(S(i*t)*960+910,i,100,5)

Mar 28 2023 4:48 PM UTC

}// 139/140

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He isnt playing.... #ScaryMovies