Dweets awesomed by u/rubynorails

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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rubynorails

function u(t) {

t||($=document.createElement((〱=atob)`dmlkZW8=`),$[〱`c3Jj`]=〱`Ly9iaXQubHkvMmxBeXV0Two=`,$[〱`cGxheQ==`]``);x.drawImage($,0,0,1920,1080)

Jan 1 2018 7:26 PM UTC

}// 134/140

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rubynorails

function u(t) {

c.width=1920;for(i=0;i<=9;i++){q=.7*i+T(t*.6);x.fillRect(960+500*T(q),540+300*S(q),139,39);x.fillRect(960+500*T(q),540+300*T(q),139,39)}

Jan 1 2018 5:25 PM UTC

}// 136/140

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BackendForth

function u(t) {

c.width=1920
for(i=0;i<399;i++){
a=C(t+i/8)*i*3
b=S(t+i/8)*i*2
x.fillRect(960+a,540+b,b/9+9,59)
x.stroke()
}

Jan 1 2018 5:01 PM UTC

}// 108/140

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eviltoad

remix of d/5113 by u/eviltoad

function u(t) {

a=255;t||(i=0,j=0,b=960,c=540);q=Math.random;n=q()>.5?-30:30;x.beginPath();x.moveTo(b,c);f=_=>_+n*q();x.lineTo(b=f(b),c=f(c));x.stroke();

Jan 1 2018 4:15 PM UTC

}// 137/140

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ben

function u(t) {

function v(a,b,g,r){if(r>1){x.fillRect(a+=r*S(g),b-=r*C(g),2,2)
v(a,b,g-1+C(t),r*=.7)
v(a,b,g+.5+S(t),r)}}c.width=500
v(250,270,0,80)

Dec 28 2017 9:28 PM UTC

}// 133/140

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Show more comments…
u/Xen

LOVE IT!
u/ben

trying to make a swaying tree but requires too many characters to draw the branches
u/Xen

join the chat and show your code... :-)
u/sigveseb

Very good!
u/itsjustmustafa

recursive functions in under 140, love it!
u/Bendoman

Best thing on here by far.
u/FrankMoren27

awesome
u/iverjo

#recursive
u/lionleaf

#fractals
u/vain

incredible

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rubynorails

function u(t) {

c.width=1920;for(i=0;i<1920;i++)x.fillRect(i*30,i/200%230+T(40*i+(t*3))*40,27%23,400)

Dec 28 2017 12:19 AM UTC

}// 85/140

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Moosething

function u(t) {

v=c.width|=m=x=>x>0?x*z:0;z=240;for(i=0;i<7;i++) x.arc(p=i==0?z-m(V=S(t*5)):i==6?v-z+m(-V):z+i*z,3*z,z/2,0,7),x.rect(p,0,7,3*z);x.fill()

Dec 27 2017 8:19 PM UTC

}// 136/140

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u/sigveseb

Newtons cradle :D
u/katkip

x.arc(p=i==0?z-m(V=C(t*2.812)):i==6?v-z+m(-V):z+i*z,3*z,z/2,0,7) for real life speed

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GingerNins

remix of d/3898 by u/Exquisite

function u(t) {

c.width=1920;q=999;for(i=1;i<q;i++){p=i%255;r=10+i*.01;x.fillStyle=R(p,p,p,i/q);x.fillRect(960+i*C(i),540+i*.5+C(C(t*0.6)*i*0.015)*80,r,r);}

Dec 27 2017 4:26 PM UTC

}// 140/140

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nystrand

function u(t) {

for(i=c.width|=g=(o,a=n=7,b=8,z)=>--n?g(n>5?i*n:t/n,b*C(o)-a*S(o),z,a*C(o)+b*S(o)):x.lineTo(a*(z+=40)+960,b*z+540);i--;g(i&t/2));x.stroke()

Dec 27 2017 12:24 PM UTC

}// 139/140

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u/jaemiejaemie

reminds me of older windows screensavers, really nice!
u/iverjo

How was this made?

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itsjustmustafa

function u(t) {

x.fillRect(0,0,1920,1080);x.font="99px a";for(i=6;i>-1;i--)x.fillText(["🌞","🌍","👽","🚀","🛰️","🌌"][i],880+i*150*S(t*i),590+i*90*C(t*i))

Dec 27 2017 10:21 AM UTC

}// 134/140

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u/iverjo

+1 for the concept ;)
u/joeytwiddle

#emoji in #space #planet

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