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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thenize

remix of d/31790 by u/mhi

function u(t) {

a=(c.height=1080)/2;x.translate(960,a);for(n=0;n<999;n++){x.rotate(3^4%2*(r=a*S(n)*2)/S),w=S(s=t+n+9),x.fillRect(n*S(s*.3),1,w,s)}

May 15 2024 5:09 PM UTC

}// 130/140

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u/warbino

awesome!

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schabanackk

function u(t) {

with(x)for(fillRect(0,0,c.width=1e3,2e3),strokeStyle="turquoise",i=137;i--||stroke();)arc(499,270,570,q=Math.ceil(i*t/3)-1,q+t%(t*2))

Feb 18 2021 11:30 AM UTC

}// 134/140

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tunnel

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New_Core

function u(t) {

a=t-.01;if(t<6)a=t-10;x.fillStyle=R(250,100,250);x.fillRect(1000,1079,1,1);x.drawImage(c,10*S(t),a);

Dec 2 2016 10:51 AM UTC

}// 100/140

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u/iverjo

Very nice! I made a golfed version: x.fillStyle=R(b=250,100,b);x.fillRect(b*4,1079,1,1);x.drawImage(c,10*S(t),t<6?t-10:t-.01)

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rodrigo.siqueira

remix of d/15329 by u/tomxor

function u(t) {

for(a=b=0,i=1e4*(t<9);i--;x.fillRect(a*640,b*800-500,1,.1)) 
r=1|Math.random()*3,
a+=(r-a+b*C(b*3))*.5,
b+=(2-a*b+C(b*3))*.25

Aug 13 2019 12:05 PM UTC

}// 125/140

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Chaos Photographer, Pic 1, Remix 1 #spiral

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jylikangas

function u(t) {

c.width|=P=(i,j,a,d)=>d&&x.stroke(new Path2D('M'+[i,j,i+=S(a)*99,j+=C(a)*99]))&P(i,j,a+C(d/2+t)/3,d-1)&P(i,j,a-C(t/2)/3,d-1);P(960,999,66,9)

Jul 1 2018 10:50 AM UTC

}// 140/140

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Fractal in the wind

u/micahcowan

Beautiful!
u/aleamb

#fractal #path2d
u/fujimotos

Looks like silver grass.

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veubeke

function u(t) {

x.font='96px a'
S=String.fromCodePoint
W=e=>x.measureText(e).width
i=t*4%257|0
W(S(F=0x1F1E6,F))>W(_=S(F+i%26,F+i/26|0))&&x.fillText(_,9,99)

May 9 2017 9:49 PM UTC

}// 140/140

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created with help from p01 (https://www.dwitter.net/u/p01)

u/tapgiles

I see a blank white image (on a Chromebook)
u/veubeke

Which version of Chrome are you running and do you see errors in the console?
u/joeytwiddle

#flag

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DazeWare

remix of d/26509 by u/rodrigo.siqueira

function u(t) {

c.width|=0
for(i=7e4;i--;)X=i/1e5,Y=S(X*i-t),d=Math.hypot(X,Y)*9,Math.hypot(.4-X,.5-Y)<.2&&x.fillRect(i/50/t,(2e3*Y+C(t*d)*150)/d,d/t,d/t/t)

Nov 28 2022 4:15 AM UTC

}// 140/140

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taupelink

remix of d/18769 by u/taupelink

function u(t) {

f=(X,Y)=>Y?f(Y,X%Y):X;for(i=1e3;i--;){z=Math.random()*3e5|0;g=f(a=z%192,b=z/192|0);if(g>5){x.fillText(g,10*a,10*b)}}

May 14 2020 11:26 AM UTC

}// 116/140

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d/18774

u/taupelink

GCD(X,Y) plotted, if greater than 5
u/BuRRak

It looks like characters of some ancient script, nice!

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hill

function u(t) {

c.width=1920;for(i=0;i<9;i++){x.beginPath();x.arc(c.width/2+i*S(t)*50,c.height/2+i*S(t)*50,50,0,2*Math.PI);x.stroke();}

Feb 22 2017 8:42 AM UTC

}// 119/140

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8bit

function u(t) {

c.width^=0;for(i=0;i<8;i+=0.04){x.fillStyle=R(150,150,150,S(i*5+t-1.5)*.65+.7);x.fillRect(960+S(i*5+t)*300,540+C(i*3)*300,50*C(i*5+t),50)}

Jan 24 2019 11:59 PM UTC

}// 138/140

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