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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Agnes

function u(t) {

with(x)for(c.width|=i=9,scale(m=100,m);i--;rect(4+i+S(t)*3,4,.5,2));with(x)clip(),strokeStyle='red',beginPath(),arc(9,5,3+C(t),0,7),stroke()

Mar 19 2018 12:15 PM UTC

}// 140/140

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AstonC

function u(t) {

with(x)for(c.width|=q=700;q--;)fillStyle=R(q,q-100,q+20),beginPath(),arc(960+(z=400-q)*C(t-q),540+T(z)*z,1.01**q+5*C(t),0,9),fill()

Mar 15 2018 4:39 PM UTC

}// 132/140

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u/BirdsTweetCodersDweet

with(x)for(c.width|=q=700;q--;)fillStyle=R(q,q-100,2*q-100),beginPath(),arc(960+(z=400-q)*C(t-q),540+T(z)*z,1.01**q+5*C(t)+4,0,9),fill() - a slight bit thicker, butfixed your errors
u/iverjo

Sweet
u/AstonC

Ohhh, thanks, a lot, BirdsTweetCodersDweet. :)
u/magna

Beauty

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Twinji

function u(t) {

v=3e3;x[s='fillStyle']=R(0,0,0,.03);x[r='fillRect'](0,0,v,v)
for(i=0;i<50;i+=.1){x[s]=R(v,0,T(i)*v);Z=F=>5e2+F(i*t)*i*i;x[r](Z(C),Z(S),i,i)}

Mar 15 2018 3:10 PM UTC

}// 140/140

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u/joeytwiddle

Pretty!

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william

remix of d/7362 by u/william

function u(t) {

c.width=1920;x.font='99px monospace';x.fillText("checkout my first moving tweet mixtape remix yo",t*100,100)

Mar 17 2018 7:55 AM UTC

}// 110/140

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p01

remix of d/7215 by u/jylikangas

function u(t) {

for(c.width=i=W=99;i--;)for(j=0;j++<W;x.fillRect(i,j,1,~z))x.fillStyle=R(z=((d=700/j)*i/W+C(t)&d+t&7)*W/d,z*4,W);x.fillText('🐑',-9*C(t),40)

Mar 14 2018 10:10 PM UTC

}// 139/140

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Tuulian Minecraft: Sheep edition

u/jylikangas

Tuulia approves! :) Thanks!
u/sigveseb

:D:D:D
u/iverjo

#minecraft
u/alien

How does this work omg!!
u/Conjuror

love it and it is cool

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StarStep

function u(t) {

x[s='fillStyle']='#FFF2'
x[f='fillRect'](0,0,1e4,1e4)
for(i=1e3;i--;x[f](960+S(i)*q,540+C(i)*q,40,40))x[s]=`hsl(${q=(i*2%1e3*t)/2},80%,60%`

Mar 16 2018 11:27 PM UTC

}// 139/140

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yonatan

remix of d/2370 by u/magna

function u(t) {

for(c.width|=i=9;i--;x.fill(new Path2D('M'+[530+i*99,540-a*99,b,q=a*r<0|0,50]+` 0v${200*a+b}${q^1} -50 0`)))a=C(m=i*t),b=`a1 ${r=S(m)} 0 0`

Mar 15 2018 7:01 AM UTC

}// 139/140

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cylinders

u/yonatan

Chrome only I guess...
u/magna

Smart!
u/yonatan

#default

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Batrachus

function u(t) {

r=a=>Math.floor(a*Math.random())
w=120
for(i=0;i<w;i++){x.fillStyle=R(0,r(255),r(255))
b=r(w/2)
x.fillRect(r(32)*w+b,r(32)*w+b,c=w-2*b,c)}

Mar 14 2018 6:58 PM UTC

}// 138/140

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u/magna

120: r=a=>a*Math.random()|0;for(i=w=120;i--;x.fillRect(r(32)*w+b,r(32)*w+b,c=w-2*b,c))x.fillStyle=R(0,r(255),r(255)),b=r(w/2)

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joeytwiddle

remix of d/7355 by u/New_Core

function u(t) {

for(i=a=90;i--;x.fillRect(i?a*S(i*99)*s+955:0,i?60*C(i)*s+535:0,k=i?2*s:2e3,k))s=a/((i+t*a)%a-a),x.fillStyle=i?`hsl(${i*8},99%,50%`:'#0002'

Mar 18 2018 5:39 AM UTC

}// 139/140

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Remixing New_Core's Starfield 2

u/joeytwiddle

This one is slightly flattened

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Jezza

function u(t) {

if(!t)c.width=w=192,a=new Uint8Array(z=20736);for(m=0;m<z;m++){y=a[m]=(16+a[m+1]+a[m+w]);x.fillStyle=R(9,y,9);x.fillRect(m%w,m/w,1,1)}

Mar 17 2018 5:03 AM UTC

}// 139/140

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Decoding a message from the planet Sierpinski!