Dweets awesomed by u/robbyg

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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rodrigo.siqueira

remix of d/27269 by u/AlephCubed

function u(t) {

for(c.width=h=300;h--;)for(v=86;v--;x.fillRect(h,2*v,1,S(b+t*2)*b))for(a=b=0,i=9;i--;b=2*S(f-C(t*2-a)/4)+v/32-1)f=a*b,a=a*a-b*b-5+t%6+h/99

Mar 25 2023 7:44 PM UTC

}// 138/140

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Distorted Mandelbrot's passage through the chaos of white noise #mandelbrot #fractal #noise #uncompressed

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u/joeytwiddle

Wow! #shiny mandelbrot whale
u/magna

WOWW
u/aleamb

WTF!! WOW!!
u/vain

very cool - and even uncompressed! Wow! I really like the noise and scanline fx as background. Just amazing work!
u/Xen

love it!!
u/Jezza

This has made my day. For reals you've cheered up a dev from Australia who was having a bad day.
u/jdspugh

Trippy

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rodrigo.siqueira

remix of d/27262 by u/taupelink

function u(t) {

c.style.filter=`invert(`
for(i=1e4;i--;x.fillRect(99*X,98*Y,f&1,1))X=i*i*t%20,Y=X*i*3*t%11,f=X+4*C(Y+S(X)),x.fillStyle=`hsl(${f*f},40%,50%)`

Mar 24 2023 6:13 PM UTC

}// 140/140

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Undulating colors

u/Jezza

Beautiful and elegant.
u/jdspugh

Awesome

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rodrigo.siqueira

remix of d/27186 by u/rodrigo.siqueira

function u(t) {

for(i=5e4;i--;x.fillRect(152*X-245,70*Y+540,k=f&t<9,k))X=i*i/t%15,Y=3*T(i+t),f=(3-C(X*2)+S(Y+C(X*9)*C(X)*S(Y*4)))*2,x.fillStyle=R(34*(f&3))

Mar 22 2023 11:31 AM UTC

}// 139/140

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Geometric patterns

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u/joeytwiddle

#pattern Could definitely see these used on tiles
u/UEZ

vintage #wallpaper
u/Joachim

Wow!
u/Xen

love it!
u/danny@hille.dk

Sooo coool!!!
u/danny@hille.dk

Hey, and if you tweak it a bit, you can use it on Valentine's Day -> for(i=5e4;i--;x.fillRect(99*X,77*-Y,k=f&t<2,k))X=i*i/t%20,Y=3*T(i+t),f=(C(X)+S(Y+C(X)*C(X))),x.fillStyle=R(-f*99)

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joeytwiddle

remix of d/27243 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`挮睩摴桼㴰੦潲⡭㴶攴㭭ⴭ㭸⹦楬汒散琨㘰⩘ⰷ㈪夭㐵Ⱬ㵦☲ⰸ⤩椽津㙥㌬堽椯㈷㌫㔬夽䌨䬽椪⡭⼹㤥㜩⤪⨳⨴⭓⡋⬱⤪㔫㤬昽⡘⨴⤥夭吨䬩⴨堯㈥⡘簲⤭㐩⨪㈫堫㤪琠`.replace(/u([^D].)/g,'$1%')))

Mar 21 2023 7:02 PM UTC

}// 125/140

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Animated version #compressed

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danny@hille.dk

remix of d/27220 by u/danny@hille.dk

function u(t) {

for(c.width|=D=9;D--;x.fillRect(m+630,w,60,w))for(w=i=700;i--;)x.fillRect((m=S(t)*300+D*99)+660-C(i/99+C(t-i/99)-D)*(i/5),w-i,9-i/6,1-i/w)

Mar 18 2023 3:09 PM UTC

}// 138/140

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'Had to make a #default out of it :-)

u/Jezza

#default

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danny@hille.dk

function u(t) {

for(c.width|=w=i=700;i--;)x.fillRect(960-C(t-i/99+C(t-i/60))*(i/5),w-i,10-i/6,1-i/w);x.fillRect(920,w,90,w)

Mar 17 2023 9:31 PM UTC

}// 107/140

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As the flame is smothered and darkness descends, A poignant reminder that all things must end, Yet amidst the gloom, a glimmer of hope, A new spark waiting, ready to cope, For even in death, life finds a way, And the cycle of light begins anew each day.

u/taupelink

☮️☮️☮️
u/tomxor

Effective
u/cantelope

looks like sin, but then again everything can

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PotatoImaginator

function u(t) {

c.width=512
c.style.background='#000'
for(i=256;i--;)for(j=0;j<8*t;j++)
x.fillStyle=R(255-2*j,0,2*j),!(i&j)&&x.fillRect(2*i+j,2*j,2,2)

Mar 8 2023 1:16 AM UTC

}// 134/140

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Sierpinski Triangle #sierpinski #fractal

u/PotatoImaginator

Golfed with the help of Tomxor

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Xen

remix of d/27167 by u/DazeWare

function u(t) {

for(x.fillRect(0,0,i=2e3,i);i--;x.fillStyle=R(X*7,I/7,S(S(i*i)*2+2|0+t,I)*i,.1))I=t+i%2e3,X=I/28|0,x.fillRect(X*37,I%28*39,z=t*9%99,z)

Mar 7 2023 7:02 PM UTC

}// 134/140

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golf and play

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DazeWare

remix of d/21825 by u/KilledByAPixel

function u(t) {

with(x)for(c.width|=i=144;i--;restore(fillText(t,0,9)))setTransform(52,!save(beginPath()),9,99,z=19+T(i*i+t),z),clip(rect(i%32*2,i>>4,2,2))

Mar 5 2023 11:10 PM UTC

}// 139/140

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DazeWare

function u(t) {

for(i=0;i<9;i++)
{
r=Math.random()*t*t*C(t)
x.fillRect(t*90,740+r*S(-t*r*i)+i*t*S(t*i),5,5*r)  
}

Mar 4 2023 7:10 PM UTC

}// 97/140

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