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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mwigby

function u(t) {

c.width=1920
for(i=0;i<1920;i+=2){
x.fillStyle = R(i/8, 0, 0)
x.fillRect(i,540 + C(i)*500*T(t),200,200)
}

Apr 26 2019 3:45 PM UTC

}// 105/140

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spring sprong

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alaredo

function u(t) {

c.width=1920;for(j=1;j<32;j++)for(i=0;i<3;i++){x.fillRect(80-i*10+S(t)*600,1,20,20);x.fillRect(9-i*10+S(t)*60,40,20,20);x.rotate(Math.PI/j)}

Apr 26 2019 3:04 PM UTC

}// 140/140

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Pulse

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username

remix of d/13437 by u/akoskovacs

function u(t) {

for(i=c.width=400;i--;x.fillText([`🏴`,`🏳️`,`🚩`,`🏳️‍🌈`,`🎌`][Y/3|0],23+C(j=t*9+(X+Y)/2)+X*14,32+S(j)+Y*12))Y=i%15,X=i>>4

Apr 26 2019 9:04 AM UTC

}// 118/140

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u/joeytwiddle

flagception #flag

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Jezza

remix of d/13454 by u/Xen

function u(t) {

x.fillText(u,T(t)**t,t)

Apr 26 2019 3:56 AM UTC

}// 23/140

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23 bytes and very slow

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django

remix of d/13412 by u/rodrigo.siqueira

function u(t) {

x.globalAlpha=.2
x.fillRect(0,0,1,1)
x.rotate(Math.PI*.9)
x.translate(-100*C(t),-300*S(t))
x.drawImage(c,0,0,2e3,1e3)
x.translate(-200,-200)

Apr 24 2019 3:10 AM UTC

}// 140/140

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moon rise

u/joeytwiddle

#waitforit or increase globalAlpha a little

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username

remix of d/13383 by u/username

function u(t) {

s=t^0
for(i=0;i<2e3;i+=q)for(j=q=30;j<1e3;x.fillRect(i,j+=q,q,q))x.fillStyle=R((r=_=>(s^=s<<3,s^=s>>2,s%255))(),r(),r())

Apr 23 2019 12:21 AM UTC

}// 120/140

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more golf; do you even see the difference?

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username

function u(t) {

r=m=>(s^=s<<3,s^=s>>2,s%m)
s=99+t|0
for(i=0;i<2e3;i-=q)for(j=q=-30;j<1e3;x.fillRect(i,j-=q,-q,-q))x.fillStyle=R(r(255),r(255),r(255))

Apr 23 2019 12:16 AM UTC

}// 133/140

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casual golf; it only drops one line at the bottom. other than that, functionality is completely retained. could drop a lot more with minor adjustments, see next

u/KilledByAPixel

Nice! I wasn't trying to golf it except for the r function. Didn't know i could skip the parameter parens.

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username

remix of d/13380 by u/username

function u(t) {

w=77;q=c.height^=0;r=c.width/2;q=q-T(t)*w
with(x)moveTo(r-w,q-w),lineTo(r-w,q-w*3),lineTo(r-w/2,q-w*4.4),lineTo(r,q-w*3),fill(lineTo(r,q-w))

Apr 23 2019 12:02 AM UTC

}// 140/140

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rocket

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trancor

function u(t) {

!t?s=[]:x.clearRect(0,0,w=c.width=455,w),x.fillStyle='#29f1'
for(z=w*4;--z;)v=s[z]||0,v<=0?v=w:x.fillRect(S(z+t)*w,v-=5*S(w**z),v,v),s[z]=v

Apr 22 2019 9:55 AM UTC

}// 139/140

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LimeLaser

function u(t) {

var a=181;var _c=997;var m=1920*1080;var n=1000
i=t?i:0
while(--n){
i=(a*i+_c)%m
x.fillRect(i%1920|0,i/1920|0,1,1)
}

Apr 22 2019 6:15 AM UTC

}// 116/140

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Linear Congruential Generator Test (Fade To Black)

u/LimeLaser

This pseudo-random number generator picks n pixels to fill per frame. Feel free to try different a or _c values (see Hull-Dobell Theorem).