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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thespite

remix of d/2280 by u/thespite

function u(t) {

w=1920,h=1080,c.width=w,d=.5;for(a=-d;a<d;a+=.02)for(b=-d;b<d;b+=.02){x.fillRect((d+a)*w,(d+b+.15*C(10*Math.sqrt(a*a+b*b)-2*t))*h,40,10)}

Mar 23 2017 6:43 PM UTC

}// 137/140

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yonatan

function u(t) {

c.width|=0
x.lineWidth=S(t)**2*2e3
x.lineJoin='round'
x.strokeRect(960,540,1,1)

Nov 9 2020 4:09 PM UTC

}// 79/140

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circle

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sigveseb

remix of d/405 by u/sigveseb

function u(t) {

for(n=c.width=i=2e3;i--;x.lineTo(1e3+n*X/Z,560+n*U/Z))F=S(i),U=C(i),V=i%5-2,Z=V*C(t)-F*S(t)+12+9*S(t/2),X=V*S(t)+F*C(t);x.stroke()

Aug 7 2016 2:04 AM UTC

}// 130/140

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u/iverjo

Very impressive!

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joeytwiddle

remix of d/9674 by u/f8f82804

function u(t) {

with(x)for(i=c.width^=0;beginPath(),i--;fill())arc(960+(i*960-i*i)**.5*S(a=t-i),48+i,9*(C(a)*S(i/306))**.3,0,7)

Jun 14 2019 2:15 PM UTC

}// 111/140

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Just a little remix

u/katkip

#d3
u/joeytwiddle

No perspective, but proper flattening: with(x)for(i=c.width^=0;i--;fill())beginPath(),C(a=t-i)>0&&ellipse(960+(i*960-i*i)**.5*S(a),48+i,15*C(a),15*S(i/306),0,0,7)
u/joeytwiddle

Spirals: with(x)for(i=c.width^=0;i--;fill())beginPath(),C(a=(t|0)*i-C(t))>0&&ellipse(960+(i*960-i*i)**.5*S(a),48+i,15*C(a),15*S(i/306),0,0,7)

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anzx

function u(t) {

c.width=1920; /* clear the canvas */
  for(i=0;i<9;i++)
  x.fillRect(400+i*100, 400+S(t+i)*300, 50, 50*i) /* draw 50x200 rects */

Jan 5 2018 12:44 AM UTC

}// 129/140

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thatmichael85

remix of d/4623 by u/thatmichael85

function u(t) {

c.width|=0;for(i=1;i<180;i++){b=2*t+i;x.fillStyle=R(150,T(t*i/10)*300,t%0);x.fillRect(940+((i/60)%1)*S(b)*200,400+i*6%400,8,8);}

Dec 30 2017 4:40 PM UTC

}// 129/140

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nickmonad

function u(t) {

c.width=225
for(i=0;i<4;i++){x.fillStyle=`hsl(${S(t)*(i+20)*7},${70+i}%,50%`
x.fillRect(i*30,0,15,105)
x.fillRect(120,i*30,100,15)}

Mar 20 2019 11:36 PM UTC

}// 131/140

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ableton #music #coding #party

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384.cz

remix of d/28918 by u/384.cz

function u(t) {

t>1&&(x.fillStyle="#07d")
x.fillRect(0,720-360*t,2e3,9)

Nov 22 2023 4:56 PM UTC

}// 55/140

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Estonia #flag

u/magna

2 chars shorter: x.fillStyle=t>1&&"#07d"
u/384.cz

thank you, magna
u/BriSeven

Oh no, politics on dwitter. HELL, HELL I TELLS YOU

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BirdsTweetCodersDweet

remix of d/7410 by u/fujimotos

function u(t) {

for(c.width=i=120;i--;)
z=Math.min(-t+i/4,0),-1,
x.setTransform(a=C(z),b=-S(z),-b,a,80+8*i+-25*t,i/10),
x.fillRect(15,4,-5,-10)

Mar 25 2018 5:13 PM UTC

}// 127/140

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Stairway to heaven.... And back?! I don't even know anymore :D

u/BalintCsala

I'm pretty sure you can remove the leftover ,-1 from the max

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eviltoad

remix of d/5517 by u/eviltoad

function u(t) {

for(i=255;i>0;i--)
z=i+t,s=(C(t*10.+i)+i*t*0.5*S(t*i*.1)),x.fillStyle=R(i*S(t),i*C(t),99/T(t*i)),x.fillRect(960+S(z)*s, 540+C(z)*s, 5, 5)

Jan 4 2018 6:52 PM UTC

}// 137/140

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u/joeytwiddle

#spiral #dots