Random dweets | Dwitter

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: #Food

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mathisvdr

remix of d/35567 by u/taupelink

function u(t) {

for(i=z=1080;i--;x.fillRect(160*t,i,6,z*=1+C(i/105/p)*C(t/p)))x.fillStyle=`hsl(${6**(z&=7)},50%,${300/(z+=3-(p=(-.7)**z)*C(t+i/210*p))}%,.3`

Jun 15 2026 7:19 PM UTC

}// 140/140

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mohammedamarnah

remix of d/7670 by u/mohammedamarnah

function u(t) {

v=c.width=1920;h=c.height/2;
for(i=0;i<100;i+=0.3)
x.fillRect(S(3*t*i)*500+v/2, S(2*t*i)*500+h, 10, 10)
x.stroke()

Apr 20 2018 4:09 PM UTC

}// 114/140

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u/BuRRak

Golfed down to 83 characters: c.width|=v=500 for(i=0;i<100;i+=.3) x.fillRect(S(3*t*i)*v+960,S(2*t*i)*v+540,10,10)
u/Galaxtone

@BuRRak SyntaxError: Unexpected token for
u/BalintCsala

I guess that should be a new line

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rodrigo.siqueira

function u(t) {

x.fillRect(x.globalAlpha=.03,0,2e3,2e3)
for(i=700;i--;x.clearRect(960+C(t)*100+S(t)*420+S(i)*r,540+C(i)*r,4,3))r=480*Math.random()*S(t)**8

Oct 13 2018 11:22 PM UTC

}// 138/140

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Pulstar (pulsating stars)

u/magna

Remix of d/8947

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BirdsTweetCodersDweet

function u(t) {

c.width=a=1000
c.style.background=`hsl(${t*a},50%,50%)`
for(i=0;i<9;i++)for(j=0;j<27;j++)
x.fillRect(i*100+S(t**j)*1000,0,50,2000)

Feb 25 2018 7:46 PM UTC

}// 130/140

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Light show v2 :D

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taupelink

remix of d/29538 by u/taupelink

function u(t) {

f=(u,v)=>((u%v-v/2)**2-v*v/8)**2;g=n=>!(f(f(X,n)+f(Y,n),n*2)&n*n/4+3);for(i=1e4;i--;x.fillRect(480+40*X,60+40*Y,g(3),g(4)))X=i*t%24,Y=i*X%24

Feb 20 2024 12:49 AM UTC

}// 140/140

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d/29548 8x8 and 6x6

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Xen

function u(t) {

for(j=0;j<9;++j){x.fillStyle=`hsl(${Z=t*t%255},99%,50%`;for(i=9;i--;x.fillRect(960+S(p=t/j+9*i-S(t)/(j%2?-2:2))*Z*j,540+C(p)*Z*j,p,p));}

Aug 31 2017 9:29 PM UTC

}// 136/140

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a failed attempt to golf one of cantelopes...

u/cantelope

looks like a win to me :D
u/Xen

https://codegolf.tk/a/44
u/Xen

i gave up keeping it the same at 200bytes lol, i'm too lazy

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superfun

function u(t) {

z=t-~~t
q=parseInt(Math.random()*0x4E)
r=0x1F601+q
x.font=250*z+'px serif';x.fillText(String.fromCodePoint(r),800+800*S(q*t),600+6*q*C(t))

Dec 27 2017 9:09 PM UTC

}// 138/140

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u/Xen

stirs the emojion! :-D

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rodrigo.siqueira

function u(t) {

for(i=8e3;i--;x.fillRect(960+q*S(u=i*i*t)/K*800,540-S(i/t)/K*3e3,t<6,S(K/99+3)*9))q=9|C(i),K=q*S(u)+9

Jun 30 2023 4:02 AM UTC

}// 101/140

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Construction #1

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akx

function u(t) {

for(c.width|=0,y=0;1080>y;y+=5)for(i=0;10>i;i++)x.setTransform(1+(.002*y)**3,0,0,1,960+100*S(3*t-.015*y),y),x.fillRect(100*(i-4.75),0,50,5)

Oct 13 2018 1:38 PM UTC

}// 140/140

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laminar marimekko

u/qbob

oooohhhhh
u/katkip

nice
u/lionleaf

Amazing! #flow
u/joeytwiddle

wibbly wobbly #warping
u/Purpzie

Shortened by 10 characters: for(c.width=b=2e3;b--;x.fillRect(100*(b%10-4.75),0,50,5))x.setTransform(1+(.002*(y=(0|b/10)*5))**3,0,0,1,960+100*S(3*t-.015*y),y)

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taupelink

remix of d/31996 by u/taupelink

function u(t) {

g=n=>((((X*n/4%4-2)**2-(Y/n%4-2)**2)**2)**2-j*j/2)**2>>j;for(i=3e4;i--;x.fillRect(24*X,24*Y,t<5,g(j=3+i%3)+g(4/j)==g(2)))X=i*i*t%80,Y=X*i%45

Jun 16 2024 3:12 PM UTC

}// 140/140

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d/31997 Tiles with a little bit more of an organic feel 3