Dweets awesomed by u/systemwizard

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: #Opposites

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saschavoid

remix of d/2585 by u/vvarr

function u(t) {

i=q=c.width=2e3
for(;i--;x.fillRect(o*C(a)*z+q/2,(r*T(b)+190)*z,z*=z/2,z))z=q/((o=2e2+(r=30+C(6*S(a=i/310-t)))*T(b=i%40/8))*S(a+=1.4*t)+710)

Apr 28 2017 11:46 AM UTC

}// 140/140

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All pray to the ondulating cone.

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BriSeven

remix of d/2554 by u/cantelope

function u(t) {

cx=1e3
for(i=99;i--;)for(j=59;j--;)X=i/2-25-C(t)*2,Y=3+S(i/5)*S(j/5+t*3),x.fillStyle=R(Y*60),x.fillRect(cx+1/j*X*cx,60+Y/j*cx,s=999/j,s)

Apr 23 2017 11:28 PM UTC

}// 136/140

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u/cantelope

really awesome. I was wishing for a colored "sea". R(0,0,Y*60) yields blue waves :)
u/recursive

I did one kind of like this: https://www.dwitter.net/d/1978

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miohtama

remix of d/2455 by u/cantelope

function u(t) {

w=(c.width|=0)/2
x.fillStyle="#f00"
for(i=2e3;i--;x.fillRect(w+S(p=i+t)/(Z=4+C(p)*(h=1+S(i/99-t*4)/2))*w*h,540+1/Z*(i-999)*w/300,s=40/Z,s));

Apr 10 2017 9:22 AM UTC

}// 140/140

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CHz

function u(t) {

c.width=1920
for(a=0;a<34;a++){for(b=0;b<20;b++){x.save()
x.translate(a*60,b*60)
x.rotate(t*(a+b+20)/10)
x.fillRect(0,0,60,60)
x.restore()}}

Mar 19 2017 11:27 PM UTC

}// 140/140

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u/katkip

#waves

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metaphalanges

function u(t) {

d=12;for(i=1;i<161;i++){for(j=1;j<91;j++){v=255-T(t+S(i+80)*t+C(j+45)*t)*125;x.fillStyle=R(v*S(t),v*C(t),v*T(t));x.fillRect(i*d,j*d,d,d);}}

Mar 16 2017 4:13 PM UTC

}// 139/140

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u/donbright

excellent colors

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recursive

function u(t) {

t||(h=[])
for(n=i=960;--i+n;x.fillRect(i/(1-t/16)+n,(9e3-g*50)/(16-t),9,g))
g=h[i]=h[i]+T(i+t/9)/5-.1||0,x.fillStyle=R(g-t*9,255-g,S(t)*256)

Mar 11 2017 10:12 PM UTC

}// 140/140

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Laser war? Crystal cave?

u/donbright

beautiful

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lsh

remix of d/2000 by u/netgrind

function u(t) {

for(i=0;i<1920;i+=8){for(j=0;j<1080;j+=8){p=i*j
x.fillStyle=R(C(i*t)*255, C(j * t)*255, S(i*j * t)*255);
x.fillRect(i,j,8,8);}}

Mar 10 2017 2:21 PM UTC

}// 127/140

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u/jsizzle

Hahahah this makes me nautious. Cool, though!
u/lsh

@jsizzle Thanks! hahah

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donbright

remix of d/1871 by u/walsh9

function u(t) {

圈=(n,d,N,D)=>{d+D<15?(圈(n,d,n+N,d+D),圈(n+N,d+D,N,D),w=2e3,m=d+D,x.beginPath(),r=w/m/m/2,x.arc(w*(n+N)/m,r,r,0,7),x.fill()):1}
圈(0,1,1,1)

Mar 7 2017 11:35 PM UTC

}// 136/140

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basic Ford's Circles (sort of like Apollonian Circle Packing but every circle touches the floor, or here, the ceiling)

u/donbright

#math
u/donbright

see also https://www.dwitter.net/d/15086 by @taupelink
u/donbright

#numbertheory
u/taupelink

nice!

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aemkei

function u(t) {

c.width^=0;for(i=0;i<499;i++)x.fillRect(900+(S(i/9))*(Z=1e3*(i+t/8)%300*2),500+(S(i*42)*Z),S(i)*20,S(i)*20);

Mar 4 2017 9:30 PM UTC

}// 109/140

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Supernova

u/iverjo

Spot on :) Supernova was actually the first word that came to mind when I saw the dweet. Then I saw your comment ^^

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New_Core

function u(t) {

c.width=1920;for(i=16;i--;)x.ellipse(1e3+300*S(t+i*.1),500+50*C(t+i*.1),160*S(-i*.5)+160,50*S(i*.1)+5,1.6+.5*S(t*.5),9.5,0,6.3);x.stroke();

Mar 3 2017 3:31 PM UTC

}// 139/140

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Show more comments…
u/sfz

wow creative!
u/sfz

reduced it by about 15 bytes in case you want to try to do something else with the extra room: c.width|=0;for(i=16;i--;)x.ellipse(1e3+300*S(t+i/9),500+50*C(t+i/9),160*S(-i/2)+160,50*S(i/9)+5,1.6+S(t)/2,9,0,7);x.stroke()
u/iverjo

So good!
u/sigveseb

is that a pseudo-3D fish? super nice!
u/donbright

marvellous
u/magna

WAAAAT
u/SpecialAgent

Magnificent depth!
u/joseprio

Really impressive :)
u/Kalanchoe

Amazing!
u/ArtsyBiker1

WHOA
u/gautjac

beautiful
u/21medals

Reduced it ±20 bytes and added beginPath() without changing any values:
u/21medals

for(c.width|=i=16;a=i--/10;x.stroke())x.beginPath(),x.ellipse(1e3+300*S(t+a),500+50*C(t+a),160*S(-i/2)+160,50*S(a)+5,1.6+S(t/2)/2,9.5,0,6.3)
u/New_Core

#fish
u/joeytwiddle

#model
u/Cloud

https://www.dwitter.net/d/17352
u/vain

incredible 3d fish

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