Dweets awesomed by u/tibbifox

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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lurifax

function u(t) {

p=6.28;for(c.width|=i=p**4;i>0;i-=.3)x.fillRect(960+800*S(t)+(250+99*C(b=i/p))*C(d=i%p+t*2)*C(t)+99*S(b),540+99*C(t)+(250+99*C(b))*S(d),3,3)

Oct 24 2017 8:15 PM UTC

}// 140/140

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Rolling donut

u/magna

Awesome!
u/lionleaf

#donut

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Xen

remix of d/3337 by u/mmastrac

function u(t) {

for(i=c.width|=0;i--;){x.fillRect(i--,(i+(X=S(t+i/1e2)))%10*100,X*3,2e3);}

Oct 24 2017 5:31 PM UTC

}// 74/140

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u/mmastrac

w o w.. amazing
u/Xen

thanks, a test that worked lol

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mmastrac

remix of d/3352 by u/mmastrac

function u(t) {

t?c.width|=0:M=[...Array(1100)]
M=M.map((e,i)=>[1,e][[n=1,44,w=45,46].map(e=>n+=M[i+e]+M[i-e]),4-n]?!x.fillRect(i%w*w,i-i%w,w,w):!t&&18<i%w)

Oct 24 2017 12:49 AM UTC

}// 140/140

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mmastrac

function u(t) {

with(x)restore(drawImage(c,fillStyle=R(save(fillRect((r=Math.random)(filter='blur(30px)')*S,r()*S,99,99)),255,9,.01),fillRect(0,0,S=2e3,S)))

Oct 22 2017 4:13 AM UTC

}// 140/140

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xem

remix of d/3326 by u/xem

function u(t) {

for(i=0;i<65;i++)for(j=0;j<65;j++)x.fillStyle=R(i*9,j*9,C(t)*255),x.fillRect(900+400*S((i+t/9)*3)*C((j+t/9)*1.5),500+400*S((j+t/9)*1.5),5,5)

Oct 21 2017 9:45 AM UTC

}// 140/140

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made by mistake while working on a rotating sphere :p

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cantelope

function u(t) {

for(x.fillRect(0,0,i=(w=960)*4,i);i--;x.clearRect(w+(S(q=i/611.2+t/4)*Z)/(Z=C(q)*Z-8)*w,(S(p)-3)/Z*w-99,s=32/Z,s))Z=C(p=i/4.7746)+4

Oct 20 2017 4:09 AM UTC

}// 131/140

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Show more comments…
u/artfarnaa

awesome
u/joeytwiddle

Very nice! This makes the dots swirl: p=i*t/40
u/donbright

elegant
u/magna

Awesome!
u/ronrogers

Awesome!VISIT https://www.essayguardian.com/
u/artfarnaa

Outstanding. Your motivating me to up my game. How much of your work is trial and error about what looks cool vs actual engineering?
u/cantelope

artfarnaa, thanks. it's mostly just educated guesses. Most of my dweets start as a pretty concrete idea, then I draw from experience and do my best to fit the idea into 140b. Sometimes I'm successful, and sometimes not. :)

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cantelope

remix of d/3308 by u/cantelope

function u(t) {

for(i=w=(c.width|=0)/2;i--;x.fillRect(w+(m/2|0?X=S(i/15.75)*2:-3)*v/(Z=99-(i/4+t*20)%99)*w,540+(m/2|0?3:X)*v/Z*w,s=199/Z,s))v=(m=i%4)%3?1:-1

Oct 19 2017 4:38 AM UTC

}// 140/140

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very similar to the original, but showing its ability to appear to travel endlessly in one direction.. also changed the spacing and rect size a little.

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magna

function u(t) {

d=x.createImageData(w=c.width=100,w);for(i=0;i<4e4;d.data[i++]=i%T(i%t*t)*255);x.putImageData(d,0,0)

Oct 10 2017 9:21 PM UTC

}// 100/140

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u/Xen

thats the one! thats awesome.
u/alien

TV going bad
u/marc8

Great! Almost my original one: https://www.dwitter.net/d/2816
u/magna

#noise
u/magna

#tv

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New_Core

function u(t) {

for(c.width|=i=d=200;i--;x.fill())x.beginPath(),Z=6*d/(d+(i*i+t*99)%2e3),x.arc(955+Z*d*4*S(i),999-(Z*d*S((i*i+t)%3.14)),Z*6,0,7)

Oct 10 2017 5:24 PM UTC

}// 128/140

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u/lurifax

Cool, bouncy! Reminded my of an old commercial feat José Gonzales and a lot of bouncing balls: https://www.youtube.com/watch?v=7XmUxf35AVk
u/joeytwiddle

#bounce

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New_Core

function u(t) {

x.fillRect(0,0,b=c.width|=d=400,b)
for(i=99;i--;x.clearRect(960+Z*a*S(i),d+Z*(Math.abs((i/Z)*C(t+i/9))-50),Z,Z))a=(t*60+i)%d,Z=d/(a*C(i)-d)

Oct 8 2017 8:03 AM UTC

}// 139/140

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a fountain sprinkler (run fullscreen)

u/13thptr

#particles

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