Dweets awesomed by u/mildlybean

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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rodrigo.siqueira

remix of d/15559 by u/tomxor

function u(t) {

for(c.width=128,i=576;i-=1/16;x.fillRect(16*X,16*Y,Z,Z))X=i%8,Y=i/128,x.fillStyle=R(i,i/3),Z=1+C(5*S(X+C(Y+X)*C(t)-t))**3/3

Aug 28 2019 11:38 PM UTC

}// 123/140

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Burning flames

u/aleamb

amazing!
u/KilledByAPixel

👍

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tomxor

remix of d/15553 by u/tomxor

function u(t) {

for(c.width=128,i=576;i-=1/16;x.fillRect(16*X,16*Y,Z,Z))
X=i%8,Y=i/128,
Z=1+C(5*S(Y+C(X*3))+5*S(X+S(Y*3))+t*4)**3/3

Aug 28 2019 3:34 PM UTC

}// 115/140

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#lava

Show more comments…
u/aleamb

awesome!
u/katkip

i thought it's perlin noise. gj
u/tomxor

Never heard of it :) time for a quote: "Absolute Ignorance is the artificer [...] in order to make a perfect and beautiful machine it is not necessary to know how to make it" - Robert Beverley MacKenzie, 1868 ... gona keep my monkey fingers typing, maybe I will learn something.
u/taupelink

excellent
u/username

so what did you use to implement this noise?
u/DataMeta

115 bytes, clearly :)
u/KilledByAPixel

👍

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katkip

function u(t) {

r=b=>Math.floor(Math.random()*2)*590;t||(Y=X=200);for(i=999;i--;)x.fillRect(X*2,Y*2,2,2),X=(X+r())/2.1,Y=(Y+r())/2.1

Aug 28 2019 1:48 PM UTC

}// 116/140

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#chaosgame

u/mildlybean

Cool #fractal

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tomxor

remix of d/15534 by u/tomxor

function u(t) {

Z=_=>C(3*S(Y+C(X*3))+3*S(X+S(Y*3))+t*4)**3/6
for(c.width=i=1024;i-=1/16;x.fillRect(48*(X*2+Y+11),48*(X/2-Y+z),1,5))z=6-Z(X=i%8-4,Y=i/128-4)

Aug 28 2019 11:57 AM UTC

}// 139/140

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#lava

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katkip

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪁼👩🐱𝐹𞐻𪐭𛐻𚑸𛡦𪑬𫁒𩑣𭀨𞐶𜀫𤰨𚁺👴𚠵𚐫𪐯𜰹𚐪𪐯𜰬𜰴𜀫𠰨𮠫𪐯𜰹𚐪𪐯𜰬𜐰𚱩𛰹𞐬𜐰𚱩𛰹𞐩𞱸𛡦𫱮𭀽𨀹𩑭𘡠𞱸𛡦𪑬𫁔𩑸𭀨𘡒𩑬𨑸𘁴𪁥𘁢𫱤𮐠𨑮𩀠𪁩𭀠𭁨𩐠𫁩𪱥𘁢𭑴𭁯𫠮𘠬𜠰𜀭𭀪𞐹𛀹𞐹𚐠`.replace(/uD./g,'')))

Aug 28 2019 8:25 AM UTC

}// 131/140

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hypnosis

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mildlybean

function u(t) {

c.width|=t/=4;A=a=>960+a(g+i*3.142/1.618)*(g%1*1200);for(i=j=954;i--;)g=t+i/j,x.moveTo(X=A(S),Y=A(C)-420),x.arc(X,Y,6+g%1*33,0,360);x.fill()

Aug 27 2019 5:44 PM UTC

}// 140/140

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Golden ratio spiral

u/robbyg

Beautiful and hypnotic!

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taupelink

remix of d/15542 by u/taupelink

function u(t) {

x.globalAlpha=.7;r=Math.random;x.beginPath(x.fill(x.arc(r(x.fillStyle='#'+'FC96F93FF0'.substr(n=r()*8|0,3))*1920,r()*1080,9*n+60,n,n+3.14)))

Aug 27 2019 5:35 PM UTC

}// 140/140

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d/15543

u/DataMeta

Interesting method of #color selection
u/taupelink

Yeah, the substring color technique is not new. I first saw it at https://www.dwitter.net/d/14621
u/DataMeta

What is new is getting a nice palette of secondary/intermediate colors with it
u/taupelink

Gottit--thank you!

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atgz

remix of d/10578 by u/ersagun

function u(t) {

for(i=j=0,f=24;f--;i+=d("⛤₫⋙⍨⍀⌶⋮⊹⋾⌡⋿⍌⎚⌁⌉⋲⍓⍏⍗⌲⌚⌞⌮⌭"),j+=d(
"◯⊌⋸⋠⋦⌝⌭⍱⌥⍅⌞⊔⋩⌙⌐⌘⌖⌦⌾⌶⌝⌖⌣⌮"))d=a=>C(t*f)*(a.charCodeAt(f)-9e3)
x.fillRect(i,j,9,9)

Aug 27 2019 2:47 PM UTC

}// 140/140

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atgz

remix of d/12304 by u/pavel

function u(t) {

for(c.width|=i=20;i--;x.rect(-r,-r,2*r,2*r))r=(i-3*t%2)*60,r*=r>0,x.setTransform(1,0,0,1,960,540),x.rotate(S(r/500)*t)
x.fill('evenodd')

Aug 27 2019 2:17 PM UTC

}// 136/140

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#glitch

u/atgz

the glitch is gone :(

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mildlybean

function u(t) {

if(t<0)x.drawImage(c,0,2)
else if(t<20){
   x.fillStyle=`hsl(${t*99},99%,45%)`
   x.fillRect(960-99*t,0,198*t,2)
   u(t-1)
}else u(19+t-~~t)

Aug 27 2019 1:32 PM UTC

}// 140/140

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To understand recursion, you must first understand recursion.

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