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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KilledByAPixel

function u(t) {

t*=60
X=t*6e2%2e3
Y=t*2e1
A=t*t%50
B=t**3%99+9
for(i=4;i--;x.arc(X+C(a=P/2-i*P)*B,Y+S(a)*B,A,a-=P/2,a+P))P=Math.PI/2
x.beginPath(x.fill())

Jan 1 2023 6:09 PM UTC

}// 138/140

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Round Squares

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rodrigo.siqueira

remix of d/17654 by u/Cloud

function u(t) {

c.style.filter=`sepia()`
x.lineWidth=.03
for(i=4;i--;)p=1.6,a=i*p,b=a+C(t*2-p)/p,r=250*t,x.lineTo(S(b)*r+t*50,C(b)*r+540+S(t)*99),x.stroke()

Feb 17 2020 5:12 PM UTC

}// 140/140

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Painted with a square

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lonestar108

function u(t) {

for(i=z=4e3;i--;)a=(i/3),X=C(i)*a,Y=S(i)*a,x.fillStyle=`hsl(${(i*i)*t/1999},99%,49%)`,x.fillRect(980+X-3,560+Y-3,q=9*i/199,q)

Nov 5 2022 12:03 PM UTC

}// 125/140

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psychedelic 3

u/joeytwiddle

it's overwhelming but i can't look away. help!

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robbyg

remix of d/17215 by u/robbyg

function u(t) {

for(i=684;i--;x.fillRect(i%36*55+C(z)*7,3+55*~~(i/36)+S(z)*7,s,s))x.fillStyle=R(30,80+i/8,s=120+S(z=i/3+t*3)*18)

Oct 21 2020 9:44 PM UTC

}// 112/140

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Xen

remix of d/2997 by u/cagr30

function u(t) {

q=t*99;x.fillStyle=`hsla(${q},99%,50%,.1`;x.fillRect(q%1920,q%1080,r=99*T(q),r)

Aug 1 2017 7:57 PM UTC

}// 79/140

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consult.ayesha

function u(t) {

c.width=1920; /* clear the canvas */
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300, 4, 50, 200) /* draw 50x200 rects */

Feb 24 2017 12:05 PM UTC

}// 120/140

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hanna

function u(t) {

j=S(t)*190;g=x.createLinearGradient(88,9,j,j*8.5);g.addColorStop(0,"navy");g.addColorStop(1,"coral");x.fillStyle=g;x.fillRect(1,1,j*68,j*68)

Dec 27 2017 5:41 PM UTC

}// 140/140

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rodrigo.siqueira

remix of d/33192 by u/rodrigo.siqueira

function u(t) {

for(i=2e4;i--;x.fillRect(12*X+940,65*Y+1200,(i&7)**-S(X/6+Y/f)/3,t<2))X=i*i/t%161-79,Y=(11*S(i+t)+S(X/9)*C(X/3+S(X))),f=T(X*Y/90)+1/t

Jan 31 2025 1:33 PM UTC

}// 133/140

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Mountain range

u/Axioplase

Do you have a link explaining the concept of how you generate all these pictures via some kind of converging process?

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HardlyProductive

function u(t) {

for(i=0;i<60*t;i++)x.fillStyle=R(150*S(t),150*S(4*t),150*S(3*t));x.fillRect(50*i%1920,540+400*S(i/8)+150*S(10*Math.floor(50*i/1920)),99,99)

May 4 2024 3:01 AM UTC

}// 139/140

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hamptonio

remix of d/1660 by u/hamptonio

function u(t) {

t?i++:i=0;for(j=2e3;j--;){a=j/1e3-2;b=i/2e3-.25;for(k=12;k--;){q=a*a+b*b;q*=q;c=2*a+(a*a-b*b)/q;b*=2*(1-a/q)/3;a=c/3}x.fillRect(j,i,1,S(a))}

Mar 1 2017 10:21 PM UTC

}// 140/140

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Thanks to iverjo for the speedup from #1660.