Dweets awesomed by u/LeslieOA

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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DirtyDan

function u(t) {

a=360
with(x)for(i=-1;i++<1;)for(j=0;j++<17;beginPath())arc(960,a+a*i,b=j*20,i?33/7:11/7,i?0:22/7,1),stroke(),fillRect(598+b+i*a,a,3,a)

Jun 9 2018 4:48 AM UTC

}// 135/140

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Wanted to fit a thicker line width in but I didn't see a way to. I think it looks okay anyway.

u/DirtyDan

Inspired by: https://old.reddit.com/r/GeometryIsNeat/comm…
u/pythech

it is possible, remixed it with the thicker lines
u/pythech

the trick is x.lineWidth
u/DirtyDan

Yeah, I just couldn't fit it in 140 chars

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DataMeta

remix of d/5615 by u/jonathan_b

function u(t) {

p=Math.PI;for(s=i=1024;--i;)k=T(C(t-i*.5)),x.fillStyle=R(s*S(k+i),i/4,i*k/2),x.fillRect(s+s*C(i)*C(k+S(t)),s/2+s/2*S(i-t/p),36,96)

Jun 9 2018 3:34 AM UTC

}// 130/140

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Xen

function u(t) {

for(c.width|=i=1e3;i--;x.rotate(C(i-t/9)))x.fillRect(Z=i+S(i-t/2)*2e3,-Z*5,4-C(i-t*3)*3,9e4)

Jun 8 2018 7:04 PM UTC

}// 92/140

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u/loni_art

my eyes are confused

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yokljo

remix of d/8461 by u/yokljo

function u(t) {

for(i=192;i--;)for(j=54;j--;x.fillRect(i*10,j*20,10,20))x.fillStyle=R(o=Math.hypot((i+Math.random()*6-98)*3*t,(j-27)*6)%200*t*t,o/2-o%250)

Jun 8 2018 12:38 PM UTC

}// 138/140

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DataMeta

function u(t) {

c.width=1920;g=1.618;for(i=0;i<27;i++){for(j=0;j<15;j++){x.fillStyle=R(i*8+j*8,0,255-j*8);x.fillRect(i*71,j*71,68*S(t*g-j),68*S(t*g-i))}}

Jun 7 2018 9:32 PM UTC

}// 137/140

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joeytwiddle

remix of d/8475 by u/pythech

function u(t) {

with(x)for(i=23;i--;t>2?fillText("debian",760,980):fillRect((r=70+180*t)*S(m=8*t**.5+t*i%1)+1e3,C(m)*r+390,i,i))fillStyle='#d15',font="9em'"

Jun 7 2018 6:14 PM UTC

}// 140/140

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u/aleamb

awesome, joeytwiddle
u/aleamb

#logo
u/joeytwiddle

This was mostly pythech, I just made it messier!
u/joeytwiddle

My favourite version (over limit): t=t**0.5;with(x)for(i=30;i--;t>2?fillText("debian",670,1e3):fillRect((r=70+80*t*t)*S(m=5.6*t+i/80+t*i%1)*.9+1e3,C(m)*r+390,9,9))fillStyle='#d15',font="14em'"
u/BirdsTweetCodersDweet

That one works if you remove the fillStyle ¯\_(ツ)_/¯.
u/pythech

awesome, this was what I was trying to do :D

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DataMeta

function u(t) {

c.width=1920;p=Math.PI;for(i=0;i<8;i++){x.lineWidth=6;x.rotate(p)
x.arc(960,540,(Math.abs(540*C(t*i*.166))),t*Math.log(t)/p,p*t);x.stroke()}

Jun 7 2018 1:38 AM UTC

}// 140/140

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firegodjr

function u(t) {

r=Math.random
for(i=y=2e3;i--;)X=r()*y,Y=r()*y/2,x.fillStyle=R(f=(S(X/240-.8)*T(X/120+(X>960?t:-t))+S(Y/200-1))*128,f,f),x.fillRect(X,Y,9,9)

Jun 6 2018 5:02 PM UTC

}// 140/140

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Tangent waves

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veubeke

remix of d/8399 by u/veubeke

function u(t) {

d=new Date%2
for(H=a=60;a--;)for(b=H;b--;x.fillRect(a+t*60%32*H,y,2,2))y=(d?H-a:a)/2+b+(t*60>>5)*30-H,x.fillStyle=R(255-y/5,b&&(d+3)*60-b)

Jun 5 2018 9:04 PM UTC

}// 138/140

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Show more comments…
u/Xen

Love it!
u/yokljo

new Date%2 is incredible
u/lionleaf

Amazing! #maze
u/pythech

dope
u/magna

Veubeke strikes again.
u/katkip

A-maze-ing
u/katkip

#d3

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yokljo

remix of d/8339 by u/yokljo

function u(t) {

x.fillRect(0,0,2e3,2e3)
for(i=1000;i--;x.fillRect(i*3,530+o*120,7,7))x.fillStyle=`hsl(${i},${i/(o=S(t+i*5)+C(t+i/99)*2)}%,${i?o*o*9+2:0}%)`

Jun 5 2018 10:30 AM UTC

}// 139/140

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u/BirdsTweetCodersDweet

Nice shadows :D

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