Dweets awesomed by u/stellartux

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: #ScaryMovies

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stellartux

function u(t) {

c.width=w=1920;x.scale(.5,.3);for(i=v=91.01;i<w;i+=v)for(j=v;j<w;j+=v){x.fillStyle=`#${i*839+j}`;x.fillRect(w+C(q=j+t)*j,w+T(q)*i,v,v+S(t))}

Jan 28 2019 3:39 AM UTC

}// 140/140

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There's some interesting variations on this one by changing v slightly or setting v near 88.11. q=i+t has some interesting patterns too. I like the #purple one.

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katkip

function u(t) {

t||(j=0);for(i=100;i--;)x.fillStyle=`hsl(${(50-i)**3+j**3} 99%${50+S((50-i)**2+j**2)*j/2}%)`,x.fillRect(j*10,10*i,10,10);j++

Jan 27 2019 8:37 PM UTC

}// 124/140

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From color to grayscale

u/katkip

#abstract #art

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firegodjr

remix of d/9768 by u/firegodjr

function u(t) {

x.font='3em x'
for(m=j=32;j--;)for(i=63;i--;)x.fillText('◢◣◤◥'[Math.random()*4|0],i*m,j*m),x.fillStyle=R(b=(t*m+(i^(t*m-j)))%99*2)

Jan 26 2019 8:01 PM UTC

}// 130/140

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Fractal Burn

u/joeytwiddle

Noisy triangles remind me of this: https://twitter.com/BalintCsala/status/99216…

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stellartux

function u(t) {

c.width=i=1920;x.translate(960,89);x.globalCompositeOperation='xor'
for(;i>0;i-=.9){x.beginPath()
x.arc(i*C(i),i,55+S(t+i)*34,0,7)
x.fill()}

Jan 25 2019 4:49 PM UTC

}// 140/140

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#xor #spiral

u/f8f82804

#eldritch #horror
u/Xen

Love it!

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katkip

remix of d/11741 by u/katkip

function u(t) {

c.width^=0;for(i=800;i--;)x.lineTo(960+S(i*S(i)+t/9)*500,540+C(i*S(i)+t/9)*500);x.fill()

Jan 11 2019 2:46 PM UTC

}// 88/140

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#earth planet

u/13thptr

woah
u/username

does not look like earth though
u/joeytwiddle

It does look like a #planet though. Cool effect for 88
u/katkip

That line in the middle looks a bit like Rusia
u/magna

Awesome technique! You could potentially add a way to "seed" the generation with a number and then search for a seed that resembles the Earth the most using brute-force.

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metamero

remix of d/11726 by u/metamero

function u(t) {

eval(unescape(escape`砮晩汬剥捴⡴㽭⬽瀫㵡⼽搽⡡⩡⽫⭢⩢⽫⤪⨱⸵㩱㵰㴲ⱴ㽮⬽焫㵢⽤㩭㵙㵘㵫㴹㘰ⱴ㼸㩮㴴㈬琿㠺測愽堭洬戽夭測派㈦洼㐴♮㹫♮㱫⬴㈿匽琺潮捬楣欽堿攽㹘㴨夽攮礪欪㈯楮湥牗楤瑨⤪攮砯攮示牥獥琩㭴桲潷⁓`.replace(/u(..)/g,"$1%")))

Jan 10 2019 9:55 PM UTC

}// 140/140

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now that is a #gravity #GAME !! click to set atractor : score=t is thrown when mover hits the 42px square : weird reset is click twice on left border aka X=0 (best on fullscren) : #orbit #physics #interactive

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stellartux

function u(t) {

k='80';i=t?i+=19:0
x.fillStyle='#'+((t%4*4e6)|0).toString(16).padStart(6,0).substr(0,6)+k
x.fillRect(i,550*(S(t%42)+1),C(i)*k,S(i)*k)
i%=2e3

Jan 10 2019 6:10 PM UTC

}// 140/140

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A woolly scarf

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Xen

remix of d/6898 by u/loni_art

function u(t) {

t?a=i=44:x.fillRect(0,0,2e3,2e3);
for(;i--;x.fillRect(i*a,(9+T(i+t))*a,a,a))
x.fillStyle=R(...[1,9,i].map(d=>127*(C(d+i*2+t))))

Jan 10 2019 4:29 PM UTC

}// 127/140

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veubeke

function u(t) {

c.width^=0
x.globalCompositeOperation='xor'
for(i=1300;i--;)x.fill(P=new Path2D,P.arc(960+C(T=i/6*(5+t/500))*(50+T),540+S(T)*(50+T),50,0,7))

Jan 9 2019 8:13 PM UTC

}// 140/140

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stellartux

function u(t) {

c.width^=0
v=99,z=999
x.font='128px a'
x.translate(z,v)
for(i=0;i<z;i+=v)for(j=v;j<z;j+=v){x.rotate(C(z))
x.fillText('🥝',i,j+v*S(t+i*v))}

Jan 9 2019 7:59 AM UTC

}// 137/140

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Floating in the kiwi dimension

u/metamero

it works in mozilla (chrome won't)
u/joeytwiddle

Working here in Chrome for Linux. May just be the emoji set?
u/f8f82804

#emoji

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