Dweets awesomed by u/trupples

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: #Opposites

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corruptio

remix of d/5769 by u/ETHproductions

function u(t) {

for(c.width=256,Z=X=64;--X+Z;)for(Y=Z;--Y+Z;)x.fillRect(X+Z,Y+Z,(Math.acos(X/(Z*Z-Y*Y)**.5)+t)%6/(Y/Z+2)*8&1,1-(X-Y+Z)/2/(X*X+Y*Y+Z*Z)**.5)

Jan 10 2018 9:43 AM UTC

}// 139/140

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Added a directional light source

u/ETHproductions

Quite an amazing feat to get this into 140 chars :-)
u/f8f82804

Nice! #sphere #raytrace #shading

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BackendForth

function u(t) {

c.width=1920
r=960
if(!t)for(a=Array(i=r);i--;)a[i]=1.1**i%1-.5
for(i=r-3;i-=3;)z=a[i+2]+2,x.fillRect((a[i]-S(t))/z*r+r,a[i+1]/z*r+540,9,9)

Jan 10 2018 2:47 AM UTC

}// 140/140

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S.T.L.K.R.

remix of d/5813 by u/S.T.L.K.R.

function u(t) {

c.width=2e3;x.fillRect(0,0,2e4,2e5);for(i=8e3;i--;){x.fillStyle=`#0ef`;x.fillRect(990+S(i*16)*T(t+i*420)*999,580+S(i*2)*T(t+i*420)*899,4,5)}

Jan 10 2018 2:30 AM UTC

}// 140/140

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Hyper Space!

u/hope4tg

Tron? :)
u/S.T.L.K.R.

That's classified
u/sandromiccoli

highway remix d/5841
u/S.T.L.K.R.

Never seen it before
u/S.T.L.K.R.

nice one

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aemkei

remix of d/5600 by u/p01

function u(t) {

for(c.width|=i=h=555;i--;)x.fillRect(h+(i*h-i*i)**.5*S(t-i),i,'耀ࠠ䆄鹲�鯵�嵴䲲旓겘ャ蕌੡兎豐炆萔₠䤈䡅䈂呐ₔ⒠䐁∉ሊ@ 䀀'.charCodeAt(i/16)>>i%T&1&&T*C(t-i)+T,T=16)

Jan 9 2018 10:10 PM UTC

}// 140/140

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Here is my attempt to render the world in 3D.

u/aemkei

This is based on d/5423 and the amazing bitmap renderer d/5233 by u/RomanW.
u/joeytwiddle

This earth is backwards! I think you want S(t+i) and C(t+i)
u/aemkei

You are right! 🙃 (I mean: left ;)
u/iverjo

#earth #sphere #globe

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trupples

function u(t) {

onmousemove=E=>{c.width=innerWidth;for(i=69;i--;c.style.cursor="none")"@`px|~x\\".charCodeAt(i/7)>>i%7&1&&x.fillRect(E.x-i%7,E.y+i/7,1,1)}

Jan 9 2018 8:31 PM UTC

}// 140/140

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7x10 cursor

u/joeytwiddle

Haha, excellent!
u/magna

Related: d/2633 and d/3271
u/sigveseb

Sweet :D
u/iverjo

#interactive

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FrenchToast

function u(t) {

c.width|=0;for(i=200;i--;){x.beginPath();x.arc(960+100*S(t*i/30),1080/2+2*i*S(3*t),60+i,0,2*Math.PI);x.fill();x.fillStyle=R(0,200-i,255-i)}

Jan 9 2018 5:44 PM UTC

}// 139/140

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u/sigveseb

Top notch gradient, so smooth
u/Xen

done you a remix: d/5836

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d0n.key

function u(t) {

x.clearRect(0,0,1920,1080)
for(i=0;i<20;i++)x.beginPath(),x.arc(260+i*75,540+S(4*t+i)*80,10*(2+0.8*S(4*t+i+1.571)),0,6.283),x.fill()

Jan 9 2018 5:21 PM UTC

}// 132/140

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u/DonKarlssonSan

Nice and clean looking!
u/sandromiccoli

- = +

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BackendForth

function u(t) {

v=Math.random
for(k=999;k--;)a=v()*213,b=v()*120,v()<S((a*a+b*b)**.5)+S((a*a+(b-t)**2)**.5)?x.fillRect(a*9,b*9,6,6):x.clearRect(a*9,b*9,6,6)

Jan 9 2018 5:16 PM UTC

}// 140/140

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corruptio

remix of d/5769 by u/ETHproductions

function u(t) {

q=b=>(Math.acos(v=-v)/.8+b)%8/(Y/Z+2)*5&1
for(c.width=256,Z=X=64;--X>-Z;)for(Y=Z*2;--Y;x.fillRect(X+Z,Y,1,q(t)+q(t+4)/2))v=X/(Z*Y*2-Y*Y)**.5

Jan 9 2018 9:28 AM UTC

}// 140/140

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with a backside

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rikardlindstrom

function u(t) {

j=i=c.width|=0;for(;i--;c.style.background=R(),x.fillStyle=R(k=i*9,k,k))x.fillText('⬤',940+S(t+i)*2E5/i,540+T(i+t/i)*399)

Jan 9 2018 6:31 AM UTC

}// 121/140

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