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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ArthurThuczsec

remix of d/26080 by u/ArthurThuczsec

function u(t) {

t?x.strokeRect(X+=C(W*X)/-.75,Y+=S(H*Y)/.57,W=X^H,H=Y^W):X=Y=W=H=94
x.strokeStyle=`hsl(${X^Y*W^H},94%,49%,.2`
x.rotate(C(t)/6e2)

Sep 1 2022 2:51 AM UTC

}// 128/140

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My gift to your mind thats so full of stress, Sit and relax friend, Even best needs a rest, Watch this dweet grow as the world fades away, I promise bliss thinking, And hope it shall stay.

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ArthurThuczsec

function u(t) {

c.width=t*=t
x.fillRect(t/2,0,t,t)

Sep 1 2022 1:35 AM UTC

}// 34/140

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Each moment more ground is covered, Yet the fight is forever. Accept an equilibrium or keep going foolishly hoping?

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ArthurThuczsec

remix of d/26059 by u/junov

function u(t) {

x.fillStyle=`hsl(${t}rad 99%70%`
c.onmousemove=e=>e.buttons&&x.fill(x.arc(e.x/.3,e.y/.3,99,0,7))
x.beginPath(x.drawImage(c,-9,-5,1938,1090))

Aug 30 2022 3:27 PM UTC

}// 140/140

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slight golf

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junov

remix of d/26047 by u/junov

function u(t) {

eval(unescape(escape`硛昽❦楬汒散琧崨礽〬〬挮睩摴栽眽㄰㠰ⱷ⤊砮杬潢慬䍯浰潳楴敏灥牡瑩潮㴧汩杨瑥爧੸⹦楬汓瑹汥㴧⌴㈱✊景爨琪㵷㭹⬫㱷㭸学崨眯㈫䌨搩⩡⼲ⱷ⼲⭓⡤⤪愯㈭愪愯眬㘰ⰶ〩⥤㵓⡴⴨愽⡴⭹⤥眩⤪眥㘠`.replace(/u([^D].)/g,'$1%')))

Aug 28 2022 2:22 AM UTC

}// 140/140

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Remix #fire now over black background

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DazeWare

function u(t) {

c.width=1920
for(i=0;i<500;i++){
x.fillStyle=R(0,S(i)*255)
x.fillRect(960+5*S(t*i/99)*i,540+5*C(t)*i,50,50)}

Aug 29 2022 3:29 PM UTC

}// 108/140

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junov

remix of d/26046 by u/junov

function u(t) {

eval(unescape(escape`琪㵣⹷楤瑨㵷㴱〸《砮杬潢慬䍯浰潳楴敏灥牡瑩潮㴧汩杨瑥爧੸⹦楬汓瑹汥㴧⌴㈱✊景爨礽〻礼眻礫⬩笊搽⡓⡴⴨愽⡴⭹⤥眩⤪眥ㄩ⨶੸⹦楬汒散琨搥⸱⩷⬨眫䌨搩⩡⤯㈬⡷⭓⡤⤪愩⼲ⵡ⩡⽷ⰷ〬㜰⥽`.replace(/u([^D].)/g,'$1%')))

Aug 27 2022 4:58 AM UTC

}// 139/140

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With the help of "Compressed" I was able to get something that looks a bit more like fire.

u/junov

This is what I was going for: https://jsfiddle.net/r6fytx7q/
u/Joachim

This is great! Well done! #fire

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taupelink

remix of d/25937 by u/taupelink

function u(t) {

for(m=t?0:1e4;m--;x.fillRect(m%13*180,j%7*180,i/q,j+2/q))x.fillStyle=`hsla(${j=m**(.1+Math.random()/4)|256},${i=m%79}%,${j%i+20}%,${q=i/j})`

Aug 28 2022 10:14 PM UTC

}// 140/140

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d/26054

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rodrigo.siqueira

remix of d/26040 by u/DazeWare

function u(t) {

for(c.width=i=W=220;i-=2;)for(j=9;j<W;x.fillRect(i,j++-h,2,9/d))x.fillStyle=R(h=((d=W*9/j)*S(A=i/W+S(t))+t&d*C(A)+t*9&11)*9/d)

Aug 26 2022 2:11 PM UTC

}// 126/140

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3D fly, perspective, fog effect, emboss. I just deleted random code, changed a few parameters and got this as result.

u/jdspugh

Wow
u/Joachim

That's amazing!! I'll need to pick this apart... looks a bit like https://en.wikipedia.org/wiki/Mode_7
u/cantelope

dat bitwise alien math :D
u/aleamb

wtf!!.... WOW!

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hannah777

function u(t) {

x.clearRect(0,0,2e3,2e3);for(i=500;i--;)
x.fillRect(900+C(i*S(t)/50)*i,500+S(i)*i,15,15);

Aug 28 2022 11:46 PM UTC

}// 89/140

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bendy

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DazeWare

remix of d/26042 by u/DazeWare

function u(t) {

for(c.width=i=W=220;i-=2;)for(j=9;j<W;x.fillRect(i,j++-h,2,9/d))x.fillStyle=R(h=((d=W*9/j)*S(A=i/W+S(W))+t&d*C(A)+t&9)*t*99/d*T(t))

Aug 26 2022 7:40 PM UTC

}// 131/140

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#loop