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.

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gbnikolov

function u(t) {

c.width|=i=j=k=q=200;
o=(m,n,v)=>x.fillRect(10*n,6e2+S(n*m+t*v)*m*1e3,5,5)
while(i--)o(.25,i,2)
while(j--)o(.125,j,3)
while(k--)o(.075,k,5)

Oct 11 2017 3:32 PM UTC

}// 139/140

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u/magna

Golfed down to 102: https://www.dwitter.net/d/3280

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Xen

function u(t) {

with(x)font=999*T(t)+'px x',fillText('💀',S(t)*2e3,1),globalCompositeOperation='xor',rotate(C(t))

Oct 10 2017 6:17 PM UTC

}// 96/140

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Firefox ;-)

u/iverjo

Creative

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yokljo

remix of d/3264 by u/hoblay

function u(t) {

for(i=9,c.width=192;i--;x.fillRect(40+i*10+S(t)*30,40,5,20));

Oct 9 2017 11:55 AM UTC

}// 61/140

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Thought it could do with some golfing

u/Xen

can lose the ; by putting fillRect outside the brackets.
u/yokljo

oh yeah lol

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magna

remix of d/3201 by u/cantelope

function u(t) {

with(x)for(i=c.width|=0,font="90px a";i--;translate(i*36%1980,(i/55|0)*36),rotate(i%9/5-t*4),fillText(i,-25,18),restore())save()

Oct 3 2017 12:03 PM UTC

}// 128/140

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u/cantelope

:O

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Xen

remix of d/3196 by u/leonarven

function u(t) {

for(s=S(t),i=314;--i;a=i/s,r=4+C(a*a/t)*s**8,a+=S(t*r),x.fillStyle=R(a*s,t%i,255/s,.01),x.fillRect(960+199*s*r*C(a),540+199*s*r*S(a),t,3));

Sep 24 2017 6:49 PM UTC

}// 139/140

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Another slow one, probably could do with a tweak.

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New_Core

remix of d/3182 by u/New_Core

function u(t) {

e=490
d=x.getImageData(a=910+e*S(t),b=e+e*C(t*1.1),99,99)
for(i=4e4;i--;)d.data[i]=9+d.data[i]%255
x.putImageData(d,a,b)

Sep 21 2017 12:25 PM UTC

}// 120/140

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hscells

function u(t) {

x.globalCompositeOperation="source-out"
x.fillRect(260+T(t)*400,0,200,1080)
x.fillRect(0,540+S(t)*240,1920,100)

Sep 20 2017 7:50 PM UTC

}// 114/140

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spirits

u/Xen

try 'Xor' :)

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Xen

function u(t) {

x.shadowColor=R(X=x.shadowBlur=599),x.font="499px x",x.fillText('.. p01 xem aemkei rybar firefly innovati nderscore cantelope',-t*X%1.1e4,X)

Sep 13 2017 11:26 PM UTC

}// 140/140

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Xen

function u(t) {

x.fillStyle=`hsl(${(X=799-t*2)*9},99%,50%`,x.globalAlpha=.4
x.fillRect(799+C(t)*X*S(t*9),499+S(t)*X*C(t*9),199,199)

Aug 31 2017 11:11 PM UTC

}// 115/140

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let it run for a bit if you can be bothered, and yes it goes all the way in then back out again.

u/cantelope

so cool. remixed :D

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Xen

remix of d/2723 by u/donbright

function u(t) {

x.fillRect(0,0,2e3,2e3)
x.shadowColor=R(Z=255,X=x.shadowBlur=90,Y=255*C(t*9))
for(i=9;i--;)x.fillRect(Z+Y+i*X+C(t)*X,Z+Y+X*9*S(i*t),X,X)

Aug 30 2017 10:48 PM UTC

}// 136/140

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@donbright check your emails lol ;-)

u/donbright

thanks. this dweet made me lol, nice jumpy glowy things
u/Xen

@donbright...email again.