Top dweets by u/BuRRak

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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BuRRak

remix of d/6234 by u/BuRRak

function u(t) {

for(i=50,c.width|=0;i--;x.fillStyle="gold")for(r=90;r--;)x.fillRect(r*C(frame/20)*C(i)+960,r*S(i)+540,15,15)

Jan 20 2018 2:14 PM UTC

}// 108/140

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Shaved 25 characters off

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BuRRak

remix of d/10499 by u/BuRRak

function u(t) {

c.width|=0;for(i=0;i<32;i+=0.02)x.fillRect(960+(32-i*5+200)*C(i+t*3),i*30,20-S(i+t*3)*5,20-S(i+t*3)*5)

Oct 16 2018 4:11 PM UTC

}// 102/140

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BuRRak

function u(t) {

c.width|=0;for(i=0;i<32;i+=0.02)x.fillRect(960+(-i*30+200)*C(i+t*3),i*30,20-S(i+t*3)*5,20-S(i+t*3)*5)

Oct 16 2018 4:10 PM UTC

}// 101/140

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BuRRak

function u(t) {

for(i=c.width=60;i--;)for(j=34;j--;)x.fillStyle=`hsl(${(i+j+t*(q?1:-1))*30},100%,50%)`,x.fillRect(i,j,1,1)}{q=Date.now()%2

Jun 23 2018 3:51 PM UTC

}// 122/140

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Has two directions

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BuRRak

function u(t) {

x.fillRect(0,0,2e3,2e3)
R=Math.random
r=!t?[...Array(150)].map(V=>[R()*2e3,R()*2e3]):r
for(d of r)x.clearRect(d[0],d[1]=(d[1]+4)%2e3,9,9)

May 3 2018 12:15 PM UTC

}// 137/140

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BuRRak

function u(t) {

for(i=1080;i--;x.fillStyle=R(0,0,128+S(i/250+t)*80))x.fillRect(0,i,1920,1)
x.font="5cm e"
x.fillText("🐟",1920-(t*60%2150),S(t)*32+540)

Apr 20 2018 4:24 PM UTC

}// 134/140

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A lonely fish

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BuRRak

function u(t) {

U=I=0;
Z=Array(99).fill(0)
for(O of Q="")eval({'+':'Z[I]++','-':'Z[I]--','>':'I++','<':'I--','.':'U+=String.fromCharCode(Z[I])'}[O])
throw U

Apr 20 2018 3:23 PM UTC

}// 140/140

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Best brainfuck interpreter I could do in 140 characters, super bad code. You need to change the Q variable to your code for it to run. There are no loops or an input, but the output works just fine.

u/BuRRak

The Q variable declaration is there just so you know what to edit, it could be left out as it is not used anywhere in the code again
u/BuRRak

The output also throws a 0 before every other output

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BuRRak

function u(t) {

x.globalCompositeOperation="xor";m=m.map(e=>e+(r=Math.random()>0.5?1:-1));x.fillRect(m[0],m[1],10,10)}{m=[960,540]

Apr 7 2018 9:35 PM UTC

}// 114/140

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BuRRak

function u(t) {

c.width=c.width;for(var i=0;i<50;i++){k=90*C(frame/20)*C(i)+960;l=90*S(i)+540;x.fillStyle=R(k%255,i*5,l%255);x.fillRect(k,l,10,10)};

Jan 20 2018 10:12 AM UTC

}// 132/140

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BuRRak

function u(t) {

f=frame/15;a=f*137.5;r=f*f;k=r*C(a);y=r*S(a);x.fillStyle = R(k,y,k*y%256);x.fillRect(k+c.width/2,y+c.height/2,15,15);

Jan 19 2018 8:14 PM UTC

}// 117/140

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