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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Opposites

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BuRRak

function u(t) {

for(i=c.width=100;i--;)for(j=56;j--;)x.fillRect(i,j,(((i+t*60)/10|0)+((j+S(t*2)*15+15)/10|0))%2,1);

May 5 2018 7:07 PM UTC

}// 99/140

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BuRRak

function u(t) {

c.width|=0
P=(L,A,N,E,T)=>{x.fillRect(I=L+C(T)*N,J=A+S(T)*N,E,E);x.fill();return[I,J]}
P(...P(...P(960,540,0,50,0),250,20,t),100,10,t*6)

May 4 2018 7:25 PM UTC

}// 138/140

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Solar system. I was unable to make it with arcs, tho

u/iverjo

Thumbs up for the P=(L,A,N,E,T) :D
u/katkip

Awesome! that P=(L,A,N,E,T) easter egg is genius

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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(d=(+new Date).toString(2),c.width=v=d.length;v--;)x.fillRect(v,0,d[v],99);

Apr 28 2018 10:36 AM UTC

}// 78/140

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Binary clock

u/BuRRak

This could be done using bitwise but for some reason it doesn't work
u/E-Mouse

Made a similar thing a while ago, not a clock but a second counter. d/4708

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BuRRak

function u(t) {

for(i=c.width=99;i--;)for(j=56;j--;x.fillStyle=`hsl(${i|j|frame},100%,50%)`)x.fillRect(i,j,1,1)

Apr 26 2018 6:11 PM UTC

}// 95/140

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BuRRak

function u(t) {

for(i=c.width=99;i--;)for(j=56;j--;)x.fillRect(i,j,T(i|j+j|frame)*0.5+0.5,1)

Apr 26 2018 3:41 PM UTC

}// 76/140

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u/sigveseb

#glitch

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BuRRak

function u(t) {

for(i=c.width=99;i--;)for(j=56;j--;)x.fillRect(i,j,Math.random(),1)

Apr 26 2018 5:26 AM UTC

}// 67/140

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u/New_Core

#noise
u/rep_movsd

The TV people

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BuRRak

remix of d/7797 by u/BuRRak

function u(t) {

for(i=c.width=99;i--;)for(j=56;j--;)x.fillRect(i,j,S(i&j+t*60)*0.5+0.5,1)

Apr 25 2018 4:10 PM UTC

}// 73/140

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I really like how changing a few things results in something totally different

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BuRRak

remix of d/7796 by u/BuRRak

function u(t) {

for(i=c.width=99;i--;)for(j=56;j--;)x.fillRect(i,j,S(i/j+t*60/32)*0.5+0.5,1)

Apr 25 2018 4:06 PM UTC

}// 76/140

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Why does this look 3d to me

u/BalintCsala

Parallax scrolling probably

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BuRRak

function u(t) {

for(i=c.width=99;i--;)for(j=56;j--;)x.fillRect(i,j,S(i*j+frame/32)*0.5+0.5,1)

Apr 25 2018 3:56 PM UTC

}// 77/140

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Inspired by Neon City @jylikangas

u/BuRRak

I could save 4 bytes by using t*60 instead of frame and removing the 0 in decimal numbers but whatever
u/BalintCsala

x*.5 is x/2

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