Dweets awesomed by u/rybar

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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Xen

remix of d/3066 by u/FireFly

function u(t) {

for(i=2e3;i--;x.fillRect(X*18,Y*76,20*S(t),99*S(t*6)))X=i%128,Y=i>>7,x.fillStyle=`hsl(${X>>4<<t},99%,${(X&&X%2<i&&S(Y*X*t)*i>Y&&!!Y*4)*Y}%)`

Aug 18 2017 6:10 PM UTC

}// 140/140

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Xen

remix of d/3067 by u/tibbifox

function u(t) {

W=c.width=999;v=(X,Y,R)=>[S(Y+t)*C(X+t)*R+500,C(X/t)*C(t-Y)*R+250]
for(i=W;i--;x.lineTo(...v(S(t/W)*i/4,i,i*C(t/9))));x.stroke()

Aug 18 2017 4:45 PM UTC

}// 128/140

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statenlogic

function u(t) {

for(c.width=d=300,e=2e3;e;a=C(e)*C(d+t),b=S(e),z=C(e)*S(d+t),q=6e3/(z+100),x.fillRect(a*q+150,b*q+85,r=z>-.1&&2+5*z**4*(a+b),r))d+=e-=.5

Aug 16 2017 8:21 PM UTC

}// 136/140

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Show more comments…
u/sigveseb

Stellar!
u/sigveseb

The shading!
u/magna

WOW!
u/donbright

epic win
u/statenlogic

Thanks guys. It's my first dweet.
u/cantelope

this is one of the most amazing dweets i've ever seen. gr8 job!
u/nystrand

really nice first dweet!
u/n0va

I realy like this one, welldone!
u/iverjo

#sphere
u/joeytwiddle

#lighting #shading

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Xen

function u(t) {

x.strokeRect(3,4,W=1912,H=1072)
x.drawImage(c,X=4+S(t),X,W,H)
x.strokeStyle=`hsl(${t*W},99%,50%`

Aug 11 2017 9:44 PM UTC

}// 96/140

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is that a rainbow i see over london town...

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cantelope

function u(t) {

for(W=(c.width=1e3)/2,i=16;i--;x.stroke())for(j=17;j--;x.lineTo(W+S(p)*S(q)/Z*W,275+C(q)/Z*W))Z=C(p=.785*(i>8?j:i)+t)*S(q=.39*(i>8?i-8:j))-3

Aug 11 2017 6:18 PM UTC

}// 140/140

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Made a tutorial for this: https://cantelope.org/sphereGolfed

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u/kimber

Your website is an inspiration. Thanks.
u/cantelope

<3 @kimber
u/FireFly

Nice wireframe sphere! :D
u/alien

omg you did it !!!!!
u/cantelope

To give credit where it is due, qfox helped me shave off the last ~10 bytes.
u/donbright

:O:O:O
u/iverjo

That's really impressive. Kudos!
u/n0va

Awesome!
u/joeytwiddle

#sphere #wireframe

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Xen

function u(t) {

x.fillText(x.drawImage(c,480*(t*9%3|0),540*((t*9%3|0)%2),960,540),9,9)

Aug 10 2017 11:13 PM UTC

}// 70/140

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-70Byte-Refix-

u/Xen

another 4 bytes can be shaved but it will take longer to draw ;-)
u/kchplr

62 bytes, same speed : x.fillText(x.drawImage(c,(V=t*9%3|0)*480,V%2*540,960,540),9,9)
u/kchplr

62 bytes and faster, but less interesting fade in: x.fillText(x.drawImage(c,(V=frame%3)*480,V%2*540,960,540),9,9)
u/iverjo

#sierpinski

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Xen

remix of d/3044 by u/rybar

function u(t) {

for(i=1e3;i--;x.fillRect(i%X*X,i/X*X,X,X))x.fillStyle=R(X=80,255*S(i/t),255*C(i/t))

Aug 9 2017 8:59 PM UTC

}// 83/140

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rybar

function u(t) {

for(i=2e3;i>-1;i--)x.fillStyle=R(255*C(i/5-t),255*S(i%8+t),255*C(i%8+t),1),x.fillRect(i%90*90,i/90*90,90,90)

Aug 9 2017 5:15 PM UTC

}// 108/140

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u/jick

I like this a lot.
u/kimber

Very nice
u/Cindya

Try different pallets good start

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leonarven

function u(t) {

P=[k=[w=1920,h=1080],[0,h],[w/2,0]];while(w--)k=[(k[0]+(p=P[Math.round(Math.random()*2)])[0])/2,(k[1]+p[1])/2],x.fillRect(k[0],k[1],1,1)//:)

Aug 9 2017 3:42 PM UTC

}// 140/140

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My first one, written with mobile phone only. Not really handy :)

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kchplr

remix of d/2938 by u/kchplr

function u(t) {

for(c.style='image-rendering:pixelated',c.width=i=130;i--;)for(j=70;j--;)x.fillRect(i,j,1,C(i*i*j*j*8+frame*8&768)<0)

Aug 9 2017 11:11 AM UTC

}// 117/140

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Same as the original but with c.style='image-rendering:pixelated' to look better and the same size

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