Dweets by u/yokljo

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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Current theme challenge: #ScaryMovies

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yokljo

function u(t) {

w=c.width=100
for(a=w;a--;)for(b=w;b--;)d=S(a*a+b*b)*255,x.fillStyle=R(d,d/3),x.fillRect(a,b,1,1)

Apr 22 2019 9:08 AM UTC

}// 97/140

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Okay so I wasn't trying do do this at all, but BAM, a pattern appears out of nowhere. Hooray for maths.

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yokljo

function u(t) {

c.style.filter='invert(1)'
for(i=190;i--;)o=300+i*Math.random()*C(t),j=i/50,x.fillRect(960+S(t*i+j)*o,540+C(t*i/3+j)*o,2,o/i/20)

Mar 21 2019 12:13 PM UTC

}// 128/140

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Give it at least 10 seconds to start looking nice. After about a minute it's desktop-background-worthy :)

u/Jezza

#waitforit
u/geb

#background

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yokljo

remix of d/12758 by u/yokljo

function u(t) {

c.width|=0
X=C(t)+16
Y=S(t)+9
x.beginPath()
x.lineWidth=9
for(i=9;i--;)Z=S(Y),Y+=C(X),X+=Z-S(t),x.lineTo(X*60,Y*60)
x.stroke()

Mar 15 2019 10:29 AM UTC

}// 126/140

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yokljo

remix of d/12755 by u/Jezza

function u(t) {

x.fillRect(0,0,1920,1080)
X=C(t)*4+16
Y=S(t)*2+9
for(i=9;i--;)Z=S(Y),Y+=S(X),X+=Z,x.clearRect(X*60,Y*60,3*i,3*i)

Mar 15 2019 9:24 AM UTC

}// 112/140

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I haven't actually put the time into understanding how this works, but that doesn't stop me from remixing it!

u/lionleaf

#attractor :)

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yokljo

function u(t) {

c.width|=0
for(i=0;i<540;++i)y=t*3-i/30,o=(300-i)*(i<78?S(i/30)*2:1),o>0?x.fillRect(960-o/2+S(y)*100,i*3+200,o,C(y/4)+3):0

Mar 12 2019 5:48 PM UTC

}// 122/140

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u/Xen

"snake, snake, ohhh its a snake!" song in y head now lol

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yokljo

function u(t) {

c.width|=0
for(i=0;i<540;++i)y=t*5-i*5,o=400-i,x.fillRect(960-o/2+S(y)*100,i*2,o,2)

Mar 12 2019 5:34 PM UTC

}// 83/140

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Try going fullscreen and staring at this. Not so nice anymore is it?

u/katkip

Still nice

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yokljo

remix of d/12000 by u/yokljo

function u(t) {

for(j=22;j--;)for(g=j*90,i=99;i-->-120;)x.fillStyle=`hsl(${j*2e3+t*j},30%,${i<0?50:j+i/7}%)`,x.fillRect(i<0?g:g+S(i/3+t*9)*i/2,i*5+600,90,5)

Feb 1 2019 11:36 PM UTC

}// 140/140

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u/katkip

#waves

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yokljo

function u(t) {

c.width|=0
for(j=0;j<20;j++)for(g=S(j*j*400)*900+940,i=99;i>-120;i--)x.fillRect(i<0?g:g+S(i/3+t*8)*i/2,i*5+600,90,5)

Jan 30 2019 11:07 PM UTC

}// 116/140

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u/joeytwiddle

Nice! #water I tried g+S(1e3/i+t*8)*i/2

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yokljo

remix of d/11997 by u/yokljo

function u(t) {

x.fillRect(0,0,2e3,2e3)
x.globalAlpha=.2
for(i=9*t+200;i>0;i-=.28)x.clearRect(C(t+i*3)*900+950,S((t/6+i)*5)*400+500+i/5,9,9)

Jan 30 2019 10:54 PM UTC

}// 124/140

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yokljo

function u(t) {

x.fillRect(C(t*40)*400+900,S(t*50)*400+500,9,9)

Jan 30 2019 10:40 PM UTC

}// 47/140

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