Dweets awesomed by u/Axioplase

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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robbyg

remix of d/16500 by u/DataMeta

function u(t) {

r=Math.random
for(j=576;j--;x.fillStyle=R(a=r()*255,a,a,.5))d=54*r(),z=30-d/2,x.fillRect(j%32*60+z,(j/32|0)*60+z,d,d)

Nov 6 2019 10:33 PM UTC

}// 117/140

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u/DataMeta

Nice one. To take it full circle (or square) to d/15628: r=Math.random,a=r(b=r(c=r(l=255))) for(j=576;j--;x.fillStyle=R(a*l,b*l,c*l,r()/5))d=64*r(),z=30-d/2,x.fillRect(j%32*60+z,(j/32|0)*60+z,d,d)
u/joeytwiddle

Mellow: r=()=>(1+S(j**5-t++*3))/2 Darker: r=()=>S(j*j-t++*3)%1

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username

remix of d/7630 by u/jylikangas

function u(t) {

c.width=200
for(i=2;i--;x.lineTo(X+3,Y>71?Y:71))Y=S(t*3+i*3.14)*60,x[f='fillRect'](X=50+i*99,Y=Y>9?89:80+Y,6,-9)
x.stroke()
x[f](98,80,9,20)

Nov 6 2019 6:49 PM UTC

}// 140/140

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BOUNCE

u/username

#randomremix no 36
u/katkip

#physics #collision #balance

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rodrigo.siqueira

remix of d/16528 by u/katkip

function u(t) {

x.fillRect(0,0,2e3,2e3);for(i=25;i--;)for(j=25;j--;)
x.clearRect(i*60+(S(j+t)*2+(-16+t%9*4.3))*99,j*60+(S(i+t)*2)*60,5,6)
x.globalAlpha=.2

Nov 5 2019 11:28 AM UTC

}// 138/140

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They are going somewhere

u/katkip

sperm race
u/aleamb

#organic

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jviide

function u(t) {

for(x.translate(0,(S(t)+1)*(c.height|=i=0)/2),x.font='45em"';q=2.6*(i+t*9)%51,x.globalAlpha=q/50,++i<900;x.rotate(1))x.fillText(`🎉`,q*48,q)

Nov 4 2019 10:13 PM UTC

}// 139/140

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Festive spiral

u/katkip

it works only on firefox
u/joeytwiddle

It's fine on Chrome + Linux here. You getting boxes katkip? Upgrade OS!

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katkip

remix of d/16527 by u/katkip

function u(t) {

x.fillRect(0,0,2e3,2e3);for(i=43;i--;)for(j=71;j--;)x.clearRect(j*30+S(S(i/4+t)*2-t)*90-99,i*30+C(S(j/4+t)*2-t)*90-99,9,9);x.globalAlpha=.22

Nov 4 2019 5:13 PM UTC

}// 140/140

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u/Xen

sexy pattern but laggs here

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KilledByAPixel

remix of d/13325 by u/KilledByAPixel

function u(t) {

for(i=0;i<2e3;x.fillRect(i?960+i*S(F=260*(t+9)/i+S(i*i)):0,i?500+.2*(2*i*C(F)+2e4/i):0,K=i++?S(i)*9:2e3,K))x.fillStyle=R(99*i,2*i,i,i?1:.4)

Apr 20 2019 7:07 PM UTC

}// 139/140

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#blackhole

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u/DataMeta

Quite cool!
u/katkip

wow
u/aleamb

epic!
u/donbright

#space #astronomy
u/KilledByAPixel

Full explanation on my blog: http://frankforce.com/?p=6378
u/chenliang

cool
u/katkip

top of the year

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tomxor

function u(t) {

c.width=w=96
for(i=5e3;X=i%w,Y=i/w,i--;x.fillRect(X+2*Z,Y+4*Z,.6,1))Z=(.5+S(i/15+t*2)/2)*S(S(Y/8+t)+S(X/24+t)+t),Z=C(2*Z+S((X&Y)/(1+Z*Z))/8)

Mar 2 2019 7:46 PM UTC

}// 140/140

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Fractal Lake

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pavel

function u(t) {

eval(unescape(escape`𩡯𬠨𪐽𭀿𜡥𜰺𨐽𨠽𜀻𪐭𛐻𮀮𩡩𫁬𤡥𨱴𚀱𞐰𚡢𛀶𜀰𛐱𞐰𚡡𛀱𛀱𚐩𬠽𣑡𭁨𛡲𨑮𩁯𫐨𚐪𞐹𛁛𨐬𨡝👲🀱🱛𜀬𛠱𝠪𨡝𞡲🀸𝠿𦰮𞀵𚡡𚱢𛰲𝐬𛑡𛰲𝐫𛠸𝐪𨠫𜐮𝡝𞡲🀹𜰿𦱡𛰵𛐮𜠶𚡢𛀮𜠳𚡡𚰮𜠲𚡢𚰱𛠶𧐺𦰭𛠱𝐪𨐫𛠲𞀪𨠬𛠲𝠪𨐫𛠲𝀪𨠫𛠴𝁝`.replace(/u../g,'')))

Feb 14 2019 1:28 AM UTC

}// 138/140

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Barnsley #fern #fractal #compressed

Show more comments…
u/pavel

190 for(i=t?2e3:a=b=0;i--;x.fillRect(190*b,600-190*a,1,1))r=Math.random()*99,[a,b]=r<1?[0,.16*b]:r<86?[.85*a+b/25,-a/25+.85*b+1.6]:r<93?[a/5-.26*b,.23*a+.22*b+1.6]:[-.15*a+.28*b,.26*a+.24*b+.44]
u/tomxor

Holy ****
u/katkip

nice
u/metamero

this is beautiful!
u/lionleaf

That's amazing! #leaf
u/vain

Very nice barnsley fern
u/Joachim

#nature #organic

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rodrigo.siqueira

remix of d/12287 by u/rodrigo.siqueira

function u(t) {

c.width|=X=Y=Z=6;for(i=2e3;i--;)X+=.1*(Y-X),Y+=.01*(X*(29-Z)-Y),
Z+=.01*(X*Y-1.6*Z),x.fillRect(960+X*30+Y*C(t*45)*9,2e3-999*t%2e3-Z*22,8,9)

Feb 13 2019 12:50 AM UTC

}// 139/140

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Lorenz, the Butterfly. #attractor #lorenz

u/joeytwiddle

:-D
u/sigveseb

Haha nice one :)

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pavel

remix of d/9294 by u/cantelope

function u(t) {

for(i=w=c.width|=q=6.2832;i--;x.arc(960+S(p=(i>>1)*q/9-t)/Z*w,540+C(p)/Z*w,Z*Z,a=-t%q,a))Z=2+(i-1&-2)%98-8*t%2,i%98||x.beginPath(x.stroke())

Feb 6 2019 2:02 AM UTC

}// 140/140

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#uncompressed

u/cantelope

gotta hand it to you 👏
u/pavel

Playing it safe on the arc angle, modding it by 2pi just to avoid the bug on Safari.

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