Dweets awesomed by u/Toby

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: #Opposites

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Toby

remix of d/25405 by u/TorusField

function u(t) {

x.fillStyle=`hsl(${S(t)*360} 50% 50%`
for(i=0;i++<19;)
x.fillRect(i*100+S(t*t*t)*30-100,500*S(t)+520,t/10,15)

May 3 2022 10:05 AM UTC

}// 109/140

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TorusField

function u(t) {

x.fillStyle=`hsl(${S(t)*360} 50% 50%`
for(i=0;i++<19;)
x.fillRect(i*100+S(t)*300-100,500*C(t)+520,50,50)

Apr 30 2022 7:39 PM UTC

}// 104/140

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stephanegeorget

function u(t) {

c.width|=0
s=v=>Math.acos(C(t*C(v^7)))*300
for(m=25;m--;)for(M=m;M--;
x.beginPath(),x.moveTo(s(m),s(m+9)),x.lineTo(s(M),s(M+9)),x.stroke());

Jan 27 2022 11:25 PM UTC

}// 140/140

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Stretchy & bouncy

u/joeytwiddle

#network
u/vain

nice work! <3
u/manueldelanda

mesmerizing!

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joeytwiddle

remix of d/3598 by u/joeytwiddle

function u(t) {

r=Math.random;if(t%2<.7){c.width=199
for(X=55;X<137;X++)~X&64||r()<.5?x.fillRect(X,9,1,78):0
x.fillText(Object.keys(this)[r()*215|0],55,99)}

Jan 22 2022 2:11 PM UTC

}// 140/140

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Little #barcode remix

u/joeytwiddle

2024/11/18: Object.keys(window).length === 256 on Firefox (249 in Chrome)

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tomxor

remix of d/24801 by u/rep_movsd

function u(t) {

for(c.style.filter='invert(1',t?i=5e4>>t:G=X=Y=.8;i--;x.fillRect(960+X*19,540+Y*29,.2,.2))Z=X,X=G+Y*1.01-Y**3/7e3,G=4*X*X/(1+X*X)-X*.8,Y=G-Z

Jan 20 2022 11:56 PM UTC

}// 140/140

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Smolr Fluffier Gumowski-Mira Mythic Bird

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tomxor

remix of d/24763 by u/KilledByAPixel

function u(t) {

for(t*=60,i=33e3;--i;)
x.fillRect(X=t%8<<8|i&255,Y=t>>3<<7|i>>8,1,((X&Y)+i)/t%2)

Jan 14 2022 8:30 PM UTC

}// 80/140

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Deterministic Micro Texture Study

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katkip

function u(t) {

c.width*=1;
x.font='9cm"'
t*=t**7;x.fillText(((((1+1/t)**t)*100000)|0)/100000,100,600)

Jan 11 2022 8:42 AM UTC

}// 86/140

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write e without Math.E

u/jellyedwards

-29 chars if you replace ((((1+1/t)**t)*100000)|0)/100000 with 'e'
u/jellyedwards

Sorry couldn't resist
u/katkip

😲😲😲😲😲😲

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rodrigo.siqueira

remix of d/24700 by u/hannah777

function u(t) {

for(c.width|=i=9,d=(99+50*S(i+t));i--;x.fillRect(900+d*T(i/2)*5,400+T(t+i)*d,200,200))c.style.filter="blur(5vh)contrast(99"

Jan 7 2022 7:45 PM UTC

}// 123/140

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Liquid Interactions

u/joeytwiddle

#metaballs This is coming close to rain on a window

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Toby

remix of d/24629 by u/ratdog507

function u(t) {

c.width=999
for(i=0;i<30;i++)x.strokeRect(450+i*50*S(t),250+20*S(t+i*t),t%1000,t%100)

Dec 31 2021 5:24 PM UTC

}// 85/140

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BackendForth

function u(t) {

v=_=>Math.random()
if(v()<.1)a=960,b=540,d=309,x.moveTo(a,b)
x.lineTo(a,b)
x.stroke()
e=v()*3
if(e<1)a+=d
else a-=d/2,b-=.87*(e<2?d:-d)
d/=2

Dec 30 2021 9:40 PM UTC

}// 140/140

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