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.

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Current theme challenge: #Food

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pavel

function u(t) {

eval(unescape(escape`𬀽𣑡𭁨𛡐𢐻𫰽𤰨𭀪𬀯𜠩𞱏👴𛰲𙐳𯀰𞱸𛡦𪑬𫁓𭁹𫁥👯🀰🰧𘱦𩡦𙰺𤠨𚐻𩡯𬠨𪠽𜠰𜀻𦐽𪠭𛐾🠴𞱸𛡦𪑬𫀨𚐩𩡯𬠨𮀮𨡥𩱩𫡐𨑴𪀨𪐽𝀩𞱩𛐭𞰩𮀮𨑲𨰨𝠹𚠨𪠥𜐶𚠲𛑙𙐲𛑏𚐬𝠹𚠨𚁙𚱏𛰳𚐪𜰪𚠮𝐭𝀩𛀱𜰸𚡯𚡯𛁡👰𛰳𚠨𜠪𪐭𫰪𫰭𜰯𜠩𛁡𚐻`.replace(/u../g,'')))

Jul 3 2019 4:25 AM UTC

}// 137/140

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Triangles #loop

u/pavel

187 p=Math.PI;o=S(t*p/2);O=t/2%3|0;x.fillStyle=o<0?'#fff':R();for(j=200;Y=j-->>4;x.fill())for(x.beginPath(i=4);i--;)x.arc(69*(j%16*2-Y%2-O),69*((Y+O/3)*3**.5-4),138*o*o,a=p/3*(2*i-o*o-3/2),a)
u/KilledByAPixel

👍
u/katkip

#beesandbombs
u/katkip

#compressed

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marc8

function u(t) {

c.width=w=1920
p=t?p:Array(w).fill(0)
with(Math)for(m=min(...p),i=w;i;)p[random()*w|0]++,x.lineTo(i,(p[i--]-m)/(max(...p)-m)*1e3)
x.stroke()

Jul 1 2019 8:54 PM UTC

}// 140/140

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This is your PRNG distribution (let it run)

u/donbright

neat
u/joeytwiddle

#random

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KilledByAPixel

remix of d/14811 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𭀪🐶𜀻𬠽𫠽🡓𚁴𚡭𚠪𫠫𞐩𚠹𯀰𞱦𫱲𚁭🐵𞰭𛑭𞱸𛡬𪑮𩑗𪑤𭁨👲𚀶𚐯𜰬𮀮𬱴𬡯𪱥𚀩𚑦𫱲𚁸𛡢𩑧𪑮𤁡𭁨𚁫🐱𩐳𚐻𪰭𛐻𮀮𫁩𫡥𥁯𚀱𜠰𚠨𭀥𜐷𚐫𩠨𤰩𛀱𜠰𚠨𭀯𜐷𯀰𚐫𩠨𠰩𚐩𩠽𡠽🠴𚡲𚀴𚐪𡠨𬠨𜰩𚡫𛰹𞐩𚰳𚡲𚀵𚐪𡠨𬠨𜠩𚡫𛰹𞐩𛐶𜀻`.replace(/u../g,'')))

Jun 30 2019 2:22 AM UTC

}// 137/140

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Random Overlapping Spirographs

u/katkip

#compressed but awesome

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pavel

remix of d/14826 by u/KilledByAPixel

function u(t) {

for(w=j=c.width|=f=o=>500*C(q=22/7/(3+~~o*5%8))/C((a+t)%(2*q)-q);a=44/7*--j/w;x.arc(960,540,f(t+1)*e+f(t)*(1-e),a,a))e=(t%1)**9
x.fill()

Jun 29 2019 7:03 AM UTC

}// 136/140

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u/13thptr

smooth
u/katkip

wooow
u/KilledByAPixel

I knew pavel would make it better. ;)
u/KilledByAPixel

https://imgur.com/MDGvSaU
u/donbright

amazing

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pavel

remix of d/14781 by u/KilledByAPixel

function u(t) {

P=2*Math.PI
t/=2
p=P/(3+~~t%5)
for(w=j=c.width|=0;j--;x.arc(960,540,500*(1+(C(p/2)/C(a%p-p/2)-1)/(1+1e5**C(P*t))),a,a))a=P*j/w
x.fill()

Jun 29 2019 3:01 AM UTC

}// 135/140

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u/KilledByAPixel

Amazing!
u/katkip

too math for me

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KilledByAPixel

function u(t) {

for(i=17;--i;R=F=>35*F(j*T)+20*F((i-9|1)*i*T)-60)for(j=10;--j;)for(k=2;k--;x[k?'moveTo':'lineTo'](120*i+R(S),120*j+R(C)))T=t+k/60
x.stroke()

Jun 28 2019 5:28 PM UTC

}// 140/140

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Spirograph Patterns

u/donbright

dude this is so awesome
u/joeytwiddle

Lovely #spirograph
u/durian-favored-monster

this one sure is pretty

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Fime

function u(t) {

px=[960,0,1920];py=[0,1080,1080];dx=dy=0
for(;;){
r=Math.floor(Math.random()*3)
dx+=(px[r]-dx)/2
dy+=(py[r]-dy)/2
x.fillRect(dx,dy,1,1)
}

Jun 28 2019 2:29 PM UTC

}// 138/140

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Sierpinski Triangle by randomly moving a point around

u/Xen

nice!, was my original idea to use chaos game for a better golf ;-)

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taupelink

function u(t) {

c.width|=0;f=X=>{for(i=2;i*i<=X;i++)if(X%i==0)return i+'*'+f(X/i);return X};k=frame/6|0;x.font='5em"';x.fillText(k+'='+f(k),0,540)

Jun 28 2019 1:01 AM UTC

}// 130/140

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factorization into #prime products. #math

u/taupelink

simple #recursion #recursive
u/Xen

very clever
u/katkip

wow
u/donbright

#numbertheory

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Xen

function u(t) {

x.fillText(t*=t,t*t&t,t)

Jun 27 2019 8:12 PM UTC

}// 24/140

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24byte #sierpinski triangle

u/Xen

also 21bytes if you dont mind waiting x.fillText(t,t*t&t,t)
u/DataMeta

you golfing madman!
u/Xen

#nano
u/Xen

#NoNumbers

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Xen

function u(t) {

for(i=1e3;i--;)x.fillText(i,i|t*i,i)

Jun 27 2019 6:15 PM UTC

}// 36/140

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36byte #sierpinski triangle

u/KilledByAPixel

Nice! You can also use & instead of | for a slightly different style. i&i/t is also good
u/Xen

i'd say the last is my fav i&i/t
u/donbright

ugh i dont understand how it works.

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