Dweets awesomed by u/rodrigo.siqueira

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.

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

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yonatan

remix of d/2672 by u/keithclark

function u(t) {

for(c.width=i=256;i--;)for(j=~~t*9;j--;)u=i%16,v=j%9,x.fillRect(i,j,1,'ĄǼͶ߿׽ԅØ\0Ą҉׽ݷ߿ϾĄȂ'.charCodeAt(v+(i/16+(j/9|0)&1^t*4%2)*9)>>u&1)

Nov 8 2020 5:28 PM UTC

}// 135/140

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#spaceinvaders bitmaps from http://wa.zozuar.org/code.php?c=3OcH

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rodrigo.siqueira

remix of d/20515 by u/taupelink

function u(t) {

r=Math.random;for(i=k=60;i--;x.fillRect(k*X,k*Y,K=i/t+2,K))X=r(Y=r()*40-9)*40-8,h=i*S(S(p=X**.32)%C(q=Y-Y*Y/9)*p),x.fillStyle=R(h*6,h*p,h*q)

Nov 8 2020 1:13 AM UTC

}// 140/140

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Eroded layers

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weargoggles

function u(t) {

c.width=1000
for(i=0;i<64;i++){x.beginPath()
x.moveTo(-1,i*410)
for(j=0;j<100;j++)
x.lineTo(-1+10*j,i*10+20*S(t+(j/9)*S(i/12)))
x.stroke()
}

Nov 7 2020 11:04 PM UTC

}// 140/140

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waves at the beach

u/joeytwiddle

Elegant #water #waves

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taupelink

remix of d/20512 by u/taupelink

function u(t) {

r=Math.random;for(i=k=60;i--;x.fillRect(k*X,k*Y,i/t,i/t))X=r(Y=r()*18)*32,h=i*S(S(p=X/2-X*X/64)%C(q=Y-Y*Y/9)*p),x.fillStyle=R(h*6,h*p,h*q)

Nov 7 2020 9:10 PM UTC

}// 138/140

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d/20515

u/rep_movsd

#shrine #ancient

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flyink

function u(t) {

t||x.translate(960,540)
Z=1/C(t)
x.rotate(Z)
x.beginPath()
x.arc(0,0,t*50,0,Z)
x.stroke()

Nov 7 2020 5:45 PM UTC

}// 89/140

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vinyl record

u/Xen

welcome to the dwitter family!

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rodrigo.siqueira

remix of d/20500 by u/rodrigo.siqueira

function u(t) {

 `﷽﷽${π=3.14}﷽﷽`
	!t&&x.translate(850,590);if(t<π)x.lineWidth=π,
x.rotate(t/18),λ=950*(1-S(t/2));x.strokeRect(-λ*3,-λ,2*λ,λ*2);
`﷽﷽﷽﷽﷽`

Nov 6 2020 10:55 PM UTC

}// 135/140

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if ( t < π ) { Deep Spiral } with lineWidth = π pixels #spiral (made of squares)

u/Xen

Nice code!

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Xen

remix of d/20499 by u/rodrigo.siqueira

function u(t) {

t?x.rotate(C(x.lineWidth=4/t)/59):x.translate(960,540)
d=1e3*S(t/3),x.strokeRect(-d,-d,2*d,2*d)

Nov 6 2020 4:49 PM UTC

}// 95/140

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play and golf

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rodrigo.siqueira

remix of d/20495 by u/Noobisuke

function u(t) {

if(!t)x.translate(1250,660)
if(t<3.14)x.lineWidth=4/(1+t*t),x.rotate(t/19),
ⵠ=320*(1-S(t/2)),x.strokeRect(-ⵠ*3,-ⵠ,2*ⵠ,2*ⵠ)

Nov 6 2020 3:39 PM UTC

}// 122/140

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𝜋 spiral box. It takes 𝜋 seconds to complete the drawing. #spiral

u/ciaccodavide

Love it!

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rodrigo.siqueira

remix of d/20495 by u/Noobisuke

function u(t) {

if(!t)x.translate(960,540)
if(t<1.5)x.lineWidth = 8/t,x.rotate(t/9),d=950*(1-S(t))
x.strokeRect(-d,-d,2*d,2*d)

Nov 6 2020 3:00 PM UTC

}// 110/140

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Spiral formation (rotating squares) #spiral

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solendil

function u(t) {

eval(unescape(escape`𮀮𩁲𨑷𢑭𨑧𩐨𨰬𝐬𜀩𒡦👦𬡡𫑥𒡲🐲𝰳𚱦𛰴𜀰𯀰𒡩𩠨𩠥𜠩𩡯𬠨𪐽𜐲𜀬𦱓𛁃𧐽𦱃𛁓𧐻𪐭𛐻𮀮𩡩𫁬𤱴𮑬𩐽𤠨𚁃𦱩𧐽𥀨𭀪𪐩🡩𯁼𬠮𭁯𤱴𬡩𫡧𚀲𚐮𬱰𫁩𭁠𨁛𞀭𚁓𦱩𛐱𧐪𝁼𤱛𪑝𚠲𯁓𦱩𚰱𧐩𧐩🀼𞀩𚑸𛡦𪑬𫁒𩑣𭀨𜀬𪐪𞐬𞐬𞐩𒡴𪁲𫱷𘁲𛐲𝐶`.replace(/uD./g,'')))

Nov 6 2020 10:46 AM UTC

}// 139/140

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Elementary Cellular Automaton with rule number. Wait for rules 18 or 22. Details at https://en.wikipedia.org/wiki/Elementary_cel…

u/tomxor

#automata
u/rodrigo.siqueira

Stephen Wolfram (creator of WolframAlpha and Mathematica) describes a deeper theory behind those Cellular Automata in his book A New Kind of Science. I invite you to listen to the interview about Cellular automata and its relation with Artificial General Intelligence - Stephen Wolfram and Lex Fridman (MIT AI teacher): https://www.youtube.com/watch?v=ez773teNFYA

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