Top dweets of all time

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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snydej

function u(t) {

with(x)restore(fillRect(~save(fillStyle='#FEF9E0'),~drawImage(c,~fillRect(t**9%S,950,99,S),-6),S=2e3,S,globalCompositeOperation='multiply'))

Feb 19 2018 10:41 PM UTC

}// 140/140

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This looks WAY cooler if you add x.filter='blur(4px)';

u/akm

woah, thats an awesome dweet and some crazy codegolfing!!
u/joeytwiddle

If I add that filter, flames start coming out of my laptop!

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snydej

remix of d/6988 by u/snydej

function u(t) {

for(c.width|=i=50;i--;)[0,4,8].map(d=>x.fillRect(0,0,i,i,x.fillStyle=R(d*i),x.setTransform(S(s=d*8.9),C(s),S(s+=2.1),C(s),i*i,99+i*S(i+t))))

Feb 18 2018 5:49 PM UTC

}// 140/140

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I used a different strategy for the transform and managed to salvage enough characters to animate it.

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BirdsTweetCodersDweet

remix of d/6978 by u/akm

function u(t) {

with(x)for(c.width|=i=37,globalCompositeOperation='xor';i--;beginPath(fill(arc(960+S(n=i*(C(t*2)*.5+7))*n-C(n),540+S(n)-C(n)*n,i*i,0,7))))x

Feb 18 2018 12:22 AM UTC

}// 139/140

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I tried to change your n value... Ended up doing a thing :D

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Feiro

function u(t) {

y=[0]
p=q=720
!t&&(d=(s)=>{
for (a=y.length;a--;y.push((y[a]+1)%4),y[a]%2?q+=y[a]-2:p+=1-y[a])
x.lineTo(p,q)
++s<19&&d(s)
})(0)
x.stroke()

Feb 13 2018 5:02 PM UTC

}// 138/140

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My first dweet! You guys here are awesome! I am glad that I am finally a part of this community!

u/Feiro

By the way the official name of the fractal is Dragon curve
u/Xen

very nice! , i have a few dragon curves if you scroll my page
u/joeytwiddle

Welcome Feiro! Thanks for the dragon, just before Chinese new year!
u/zanella

Welcome! And hooray for fractals!! :)
u/Apex

Love the dragon curve. Nice job, welcome!

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BackendForth

function u(t) {

c.width|=0
m=C(t/5)
n=S(t/5)
for(i=3999;i--;)p=i/2,q=C(p-t)*p,r=S(p-t)*p,a=m*p-n*r,b=n*p+m*r,x.fillRect(960+a*C(t)+q*S(t),480+b,9,9)

Feb 9 2018 5:42 PM UTC

}// 132/140

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u/fons

nice!

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jonathan_b

remix of d/6724 by u/jonathan_b

function u(t) {

with(x)for(s=i=c.width|=0;i-=4;beginPath(fill()))r=T(i*2+S(t+i*3))*420,arc(s/2+r*2,500+r*T(i),i/7,0,7),fillStyle=`hsl(${r/3},70%,${i/12}%)`

Feb 5 2018 4:06 AM UTC

}// 139/140

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u/iverjo

Stylish!
u/PiggyClone205

A E S T H E T I C

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DirtyDan

remix of d/6645 by u/DirtyDan

function u(t) {

for(i=1;i<360;i++)x.fillStyle=`hsl(${i},99%,50%)`,R=532*S(t+i/180),x.fillRect(960+R*C(t+i)-4,540+R*S(t+i)-4,8,8)

Feb 4 2018 7:23 AM UTC

}// 112/140

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21medals

function u(t) {

for(c.width=i=48;i--;)for(j=27;j--;x.fillRect(i,j,1,1))x.fillStyle=R(S(d=t*((i-24)**2+(j-13.5)**2)**.5*2)*255,S(++d)*255,S(++d)*255)

Feb 3 2018 11:49 AM UTC

}// 132/140

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u/magna

Neat!
u/DataMeta

Quite cool.

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BirdsTweetCodersDweet

function u(t) {

t?0:s=0;for(c.width|=a=1e3;a--;x.stroke())x.beginPath(),x.ellipse(900+200*C(a),500+200*S(a),100+50*S(a+s),100+50*C(a),0,0,7),s+=1e-4

Feb 2 2018 11:41 PM UTC

}// 132/140

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A torus-like shape made of sin and cos spinning in 3D space. Credit to u/Xen for golfing.

u/BirdsTweetCodersDweet

Better with transparency, but 148 bytes -- t?0:s=0;for(c.width|=a=1e3;a--;x.beginPath(x.globalAlpha=.5))x.ellipse(960+200*C(a),540+200*S(a),90+30*S(a+s),90+30*C(a),0,0,7),x.stroke(),s+=1e-4
u/BirdsTweetCodersDweet

I'm done --- t?0:s=0;for(c.width|=a=1e3;a--;x.stroke(),x.globalAlpha=.5)x.beginPath(),x.ellipse(960+200*C(a),540+200*S(a),90+30*S(a+s),90+30*C(a),0,0,7,x.strokeStyle=R(255*S(a)+255,255*C(a)+255,100+10*C(a))),s+=1e-4 --- 202 bytes, but full with colors and stuff, except for a weird bright area(?)... I dunno, see you all tommorow, I'm off to sleep :P
u/akm

I golfed it to 134 chars with transparency. for(c.width|=a=1e3;a--;)with(x)ellipse(960+200*C(a),540+200*S(a),90+30*S(a+t*6.2),90+30*C(a),0,0,7),stroke(),beginPath(globalAlpha=.5)
u/BirdsTweetCodersDweet

Solved the weird colors --- t?0:s=0;for(c.width|=a=2e3;a--;x.stroke(),x.globalAlpha=.5)x.beginPath(),x.ellipse(960+200*C(a),540+200*S(a),90+30*S(a+s),90+30*C(a),0,0,2*Math.PI,x.strokeStyle=R(255*S(a)+255,255*C(a)+255,100+10*C(a))),s+=1e-4

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anilalur

function u(t) {

v=(a,b,g,r)=>{for(i=0;i++<r;)x.fillRect(a+=S(T(g)),b-=C(g),r/9,2)
r>1?v(a,b,g+=o,r*=.7)&v(a,b,g+=5,r):0}
o=t/9+1;
c.width=500
v(25,280,0,80)

Jan 30 2018 3:31 PM UTC

}// 140/140

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u/joeytwiddle

Someone call the RSPCT!
u/albertmelo

OMG this is art