Dweets awesomed by u/tylertoomey

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

} // 112/140

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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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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tylertoomey

function u(t) {

for(i=0;i<200;i++){
x.fillStyle=`hsl(${200+i/10},50%,${20+100/(200/i)}%,100%)`
x.fillRect(1000+C(t+i)*3*i*(C(t)*2),600+S(t+i)*i*4,10,10) 
}

Jan 5, 2020 9:57 PM

}// 139/140

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robotman_

function u(t) {

c.width^=0
for(j=1;j<5;j++)for(i=0;i<63;i++)x.fillStyle=`hsl(${i*5},99%,50%`,x.fillRect(960+S(S(t+j)+i/10)*400/j,540+C(j*t+i/10)*400/j,9,9)

Jan 5, 2020 8:01 PM

}// 139/140

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Crazy Rainbow Ring Rotations

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tylertoomey

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<36;i++)
for(k=0;k<20;k++)
x.fillRect(i*53+(C(t*10+k)*10),k*53+(S(t*10+i)*10),50,50)

Jan 5, 2020 4:42 AM

}// 126/140

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mildlybean

function u(t) {

onkeydown=e=>X=Y=V=C=0;Y==990&&X>C-9&&C+83>X?V=-44:X%=c.width|=onmousemove=e=>C=e.x*3.3;x.fillRect(X+=8,Y+=V++,16,16);x.fillRect(C,999,99,9)

Jan 1, 2020 3:46 AM

}// 140/140

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I made it better

u/mildlybean

Click the canvas, then tap any key to start. Move your mouse to keep the ball in the air.
u/tylertoomey

This is great

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Uam

function u(t) {

c.width=1920
for(i=1000;i--;){x.fillStyle=R((i*t*t)%256,(i^3*t)%256,(20*i)%256);x.fillRect(i,500+(1000*i-i*i)/625*S(t*.00628*i),10,10)}

Dec 31, 2019 5:32 PM

}// 135/140

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I tried to remix some pico-8 tweet I saw yesterday. I’ll try to make it better tomorrow

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Odog8

function u(t) {

a=t&&1+1/a;b=~~(t*60);d=Math.PI/a*2*b;x.fillText('⬤',b*S(d)+960,b*C(d)+540);throw a

Dec 20, 2019 4:36 PM

}// 83/140

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Remix chain anyone?

u/Xen

Okay :-)

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pavel

function u(t) {

for(x.fillRect(0,0,i=2e3,i),v=540;Y=S(b=--i**3);x.clearRect(960+v*X/d,v-v*Y/d,Z*=6,Z))Y/=Z=1.2+C(++t)*C(b),X=S(t)*C(b)/Z,d=X*X+Y*Y+.1

Dec 19, 2019 3:48 AM

}// 133/140

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Black hole

u/Leodude123

wwwwwwwwwwwwooooooowwwww!!!!!!!!

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pavel

function u(t) {

c.width|=f=k=>(1-3/(4+9e9**(i-.5-t%4)))*w*(-2/(i+k&3)|1)-w/2
for(i=5;i--;x.rect(960+f(2),540+f(1),w,w))w=2**(i?7+t/4%1:12)
x.fill`evenodd`

Jul 18, 2019 4:05 AM

}// 138/140

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St[a]ck (https://www.reddit.com/r/perfectloops/commen…)

u/KilledByAPixel

👍
u/Xen

love it
u/metamero

omg so satisfying
u/iverjo

#perfectloop
u/katkip

Awesome!

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rbong

remix of d/10745 by u/rbong

function u(t) {

for(i=99;i--;)S(i)<T(S(i*t*S(t)))&&x.fillRect(t*99,i*9,2,9)

Oct 28, 2018 9:47 PM

}// 60/140

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Spirals

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rbong

function u(t) {

for(X=960;X--;x.fillStyle=`hsl(${(t+k)*25},99%,50%)`,x.fillRect(X*2,t%9*120,2,2))for(r=i=0,k=45;--k/r;i=j)j=2*r*i+1-t%9/54,r=r*r-i*i-X/4800

Oct 28, 2018 8:38 PM

}// 139/140

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Scanline Rainbow Mandelbrot Section

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u/rbong

I've spent quite a bit of time now trying to get a faster, more detailed mandelbrot set or other interesting fractal that hasn't been done in fewer characters. This has included exploring obscure fractals like those generated from polynomial roots, using image data as storage or other memoization, and the dweet earlier that used WebAssembly with a new compression technique. I'll keep exploring these ideas, but this experiment bore the quickest result. #fractal #mandelbrot #scanline #rainbow
u/rbong

Oh yeah, I also tried MAndelbrot perturbation. It's pretty expensive for these purposes but I might be able to do something similar.
u/Xen

Love it!
u/tomxor

I'd love to see more fractals, especially more esoteric ones, keep up the good work rbong.
u/katkip

Great job bro!! I love this one!
u/lionleaf

Amazing!
u/iverjo

#slow_render

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