Dweets awesomed by u/Xen

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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danny@hille.dk

remix of d/23327 by u/danny@hille.dk

function u(t) {

for(c.width=64,i=2624;i--;x.fillRect(X,Y,1,1))
o=300-26*Math.hypot((X=i%64)-20*C(t)-32,(Y=i>>6)+S(t*2)*9-18),x.fillStyle=R(o*S(Y),0,o*C(Y))

Jul 18 2021 1:45 AM UTC

}// 139/140

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Refraction remix

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rodrigo.siqueira

remix of d/23346 by u/rodrigo.siqueira

function u(t) {

t=S(t)*3+8
for(X=c.width=99;X--;)for(Y=99;Y--;x.fillRect(Y,X,1,1))o=255-X*Math.hypot(X+S(t*2)*40,Y-t*5),x.fillStyle=R(o*4,o,o+S(X/9)*X*15)

Jul 17 2021 10:33 PM UTC

}// 138/140

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Ball with light effects #ball

u/magna

Love this!

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KilledByAPixel

remix of d/14806 by u/KilledByAPixel

function u(t) {

N=(X,Y)=>S(X*X*Y**3)/2+.5
F=_=>N(X|0,Y|0)*(1-X%1)+X%1*N(X+1|0,Y|0)
for(i=2e3;i--;)
x.fillRect(i,t*60,1,F(X=i/30,Y=t*2)*(1-Y%1)+Y%1*F(++Y))

Jul 17 2021 7:00 PM UTC

}// 138/140

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Gradient Noise Demo #noise

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danny@hille.dk

remix of d/23344 by u/danny@hille.dk

function u(t) {

for(c.width=i=240,x.translate(120,60),x.rotate(t);i--;)('簟珇揃䟡䱱㠾㠲ᠠౠ࿲㠎䚱溻濻矷砏'.charCodeAt(Y=i%16)>>(X=i/16|0))%2||x.fillRect(X*7-50,Y*6-50,6,5)

Jul 17 2021 5:59 PM UTC

}// 139/140

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You get a 1up because, you are awesome! remix

u/danny@hille.dk

#pixelart

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rodrigo.siqueira

remix of d/23332 by u/rodrigo.siqueira

function u(t) {

t=S(t*3)*8
for(X=c.width=99;X--;)for(Y=99;Y--;x.fillRect(Y,55-X,1,1))o=255-X*Math.hypot(X-45+t*t,Y-48+t*6),s=C(t)/9-.4,x.fillStyle=R(-o/s,o)

Jul 16 2021 12:11 PM UTC

}// 140/140

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Bouncing Ball #bounce #ball

u/Xen

nice!!
u/donbright

funny

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danny@hille.dk

remix of d/21132 by u/Xen

function u(t) {

w=c.width=128,x.fillStyle='#f06'
for(i=1e4;i--;)x.fillRect(X=i%w,Y=i/w,1|S(Y/9+S(t)*9)+C(X/9-C(t)*9),1&S(X/25+S(t*.4)*9)+C(Y/25-C(t*.3)*9))

Jul 15 2021 11:06 AM UTC

}// 139/140

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Pink legos? remix

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TGY

function u(t) {

eval(unescape(escape`󫽮󫝯󭝳󩝭󫽶󩜽󩜽󟭻󦌽󩜮󮌬󦜽󩜮󮝽󞽩󩬨󘝴󚝡󟝢󟜰󛍧󟝣󛭷󪝤󭍨󟝣󛭯󩭦󬽥󭍗󪝤󭍨󞽤󟝘󛝡󞽳󟝙󛝢󞽭󟜨󩌪󩌫󬼪󬼩󚬪󛬵󛼴󞽦󟝥󟜾󮌮󩭩󫍬󤽴󮝬󩜽󩜻󩭠󘼰󜌰󜽠󞽸󛭦󪝬󫍒󩝣󭌨󜌬󜌬󩼬󩼩󞽦󨌣󩭦󩭠󞽸󛭦󪝬󫍒󩝣󭌨󨜫󟝤󛽭󛍢󚼽󬼯󫜬󞜬󞜩`.replace(/u../g,'')))

Jul 14 2021 8:15 PM UTC

}// 133/140

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stylish #chase

u/aleamb

#interactive
u/Xen

Nice! check d/20513 ;-)
u/magna

You can avoid the initial "ReferenceError: X is not defined" by hijacking one of the existing globals that you don't make use of: C, S, T, R

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rodrigo.siqueira

remix of d/23327 by u/danny@hille.dk

function u(t) {

for(X=c.width=99;X--;)for(Y=99;Y--;x.fillRect(Y,55-X,1,1))
o=255-X*Math.hypot(X-50+t**2,Y-8*t),s=C(t*5-Y/12)/9-.4,x.fillStyle=R(-o/s,o)

Jul 14 2021 7:29 PM UTC

}// 135/140

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When Mercury falls into the sun #sun

u/danny@hille.dk

I love it!
u/danny@hille.dk

you can kinda make it a perfect loop by prepending t%=9; or for a more dramatic effect: t=T(t/3);
u/magna

Blobular!
u/rep_movsd

Eerie

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rodrigo.siqueira

function u(t) {

c.width=2e3
c.style=`border:3px dotted;transform:rotate(${t**3}deg`
for(i=0;i<9;i++)
x.fillRect(700+i*100+S(t)*800*C(t*2),400,50,200)

Jul 14 2021 4:47 PM UTC

}// 133/140

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#default rotating t**3 degrees

u/rep_movsd

madness
u/davidsover

AAAAAAAAAA

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BackendForth

function u(t) {

for(i=599;i--;){v=Math.random
a=v()*1920
b=v()*1080
x.fillStyle=R(255*.9999**((C(t)*600+960-a)**2+(S(t)*400+540-b)**2))
x.fillRect(a,b,9,9)}

Jul 14 2021 12:51 PM UTC

}// 140/140

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