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: #Food

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katkip

function u(t) {

t*=3;X=16*(S(t)**3);Y=13*C(t)-5*C(2*t)-2*C(3*t)-C(4*t),x.fillStyle=R(155+Y*10-X*4),x.fillRect(960+X*(20-(t/4)|0),500-Y*(20-(t/4)|0),29,29)

May 4 2020 10:13 AM UTC

}// 138/140

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I love you <3 #heart #curve. Formula: X = 16*(S(t)**3); Y = 13*C(t)-5*C(2*t)-2*C(3*t)-C(4*t)

u/Xen

love it
u/lionleaf

I like how it flips after a while!
u/ersagun

looks like my first dweet: https://www.dwitter.net/d/10558

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KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁦𪑬𫁒𩑣𭀨𜀬𜀬𨰮𭱩𩁴𪁼👪🐲𞀬𜡥𜰩𞱪𛐭𞱦𪑬𫀨𭁲𨑮𬱦𫱲𫐨𜐮𜐬𜀬𜀬𛐱𛠰𝐬𜀬𜐰𞐰𚐩𚑦𫱲𚁢𩑧𪑮𤁡𭁨𚁩🐳𜠩𞱩𛐭𞱦𪑬𫁓𭁹𫁥👒𚁶🐲𝐵𛑪𚠹𛁶𚠲𛁶𚠴𛀮𞐩𚑬𪑮𩑔𫰨𚁩𛑴𙐱𚐪𝰰𛐹𞐬𪐦𙡩🀳𜐿𤰨𚁩𚱴𯀰𚐪𚡪𚐪𜰹𞐺𜀩`.replace(/u../g,'')))

May 4 2020 5:08 AM UTC

}// 139/140

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Ice #Cavern 🧊

u/katkip

Looks very good!
u/joeytwiddle

chilly

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iznax

function u(t) {

s="💀🧔"
eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁯𫡭𫱵𬱥𫑯𭡥👥🐾𥀽𩐬𥰽𨰮𭱩𩁴𪀽𪑮𫡥𬡗𪑤𭁨𛁩🐲𞱩𛐭𞱩🱦𫱮𭀽𘠷𨱭𙰢𞡦𪑬𫁒𩑣𭀨𜀬𜀬𥰬𥰩𛁦𪑬𫁔𩑸𭀨𦰮𛠮𬱝𦱩𧐬𞐲𛀲𝐰𚱓𚁴𚠹𚐪𚁔𛡸🠵𜀰𚐪𝀩𚑣𫁩𬀨𦠽𫡥𭰠𤁡𭁨𜡄𚀩𛁚𛡲𩑣𭀨𜀬𜀬𪐿𥰺𥀮𮀬𥰩𚐻`.replace(/u../g,'')))

May 4 2020 1:55 AM UTC

}// 140/140

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Move Mouse To X-Ray #mouse

u/pavel

Clever idea. If you do fill you can re-use the rect you did for clipping. onmousemove=e=>T=e.x;c.width=568;with(x)for(font="7cm'",i=2;i--;i&&clip(fill(rect(0,0,T,568))))fillText(i?"🧔":"💀",92,250+S(t*9)*(T>500)*4)
u/iznax

nice crunching!
u/katkip

#interactive
u/aleamb

LMAO nice!

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nikoloffgeorgi

function u(t) {

c.width|=a=20;b=54
e=j=>x.fillText('nice one',j,a*b)
while(a--){
x.font='62px monospace'
o=S(t*10+a*50)*b+a*b
e(o-300)
e(o+400)
e(o+1100)
}

May 3 2020 9:39 PM UTC

}// 139/140

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nice one

u/pavel

nice one
u/Xen

niice
u/joeytwiddle

*NICE https://twitter.com/bbcmicrobot/status/12378…

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kan_9

function u(t) {

r=(m,n)=>(x.lineTo(m,n),x.stroke()),y=(a,b)=>r(400*a,b-300*S(S(t/2+h))),h=Math.random(t),t<4.8?y(t,300):y(9.6-t,600),t>9.6 && x.fill()

May 3 2020 1:39 PM UTC

}// 134/140

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Cavern representing stalactites

u/sigveseb

#cavern

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marmph

function u(t) {

for(n=16;n-->0;){r=n*99;x.fillStyle=R(r/4,r/8);m=S(t)*n*r/8+960;for(i=0;i<2e3;i+=40)x.fillRect(i,1e3,40,-Math.sqrt(r*r-(m-i)*(m-i)))}

May 2 2020 11:23 PM UTC

}// 133/140

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#cavern i tried

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New_Core

remix of d/18573 by u/New_Core

function u(t) {

with(x)for(i=99;i--;fill())beginPath(),arc(960+50*S(i+t),1100-i*12,1100,a=.2*S(i/9+t),a+3),fillStyle=R(0,255-i*5,255-i*6)

May 2 2020 3:49 PM UTC

}// 121/140

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the ocean outside the cavern

u/sigveseb

#cavern

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pavel

remix of d/11930 by u/pavel

function u(t) {

with(x)for(i=-6*t%1;i++<66;fill())for(beginPath(fillStyle=R(8*i,4*i),j=36);--j;arc(960,h+h*S(3*t)**2/i,h/i*(9+C(~~i+6*t^j)),b=9+j/9,b))h=777

May 2 2020 4:35 AM UTC

}// 140/140

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Walking through a #cavern

Show more comments…
u/KilledByAPixel

🤯 genius
u/KilledByAPixel

Looped! https://twitter.com/KilledByAPixel/status/12…
u/sigveseb

Wooow sweet!
u/aleamb

yeah!
u/sigveseb

Really nice colors
u/jick

Holy cow, wow!
u/Xen

sexy!
u/katkip

aannd we have a winner!
u/KilledByAPixel

https://www.reddit.com/r/perfectloops/commen…
u/pavel

the gif is very blurry
u/KilledByAPixel

HD gif for you - https://www.dropbox.com/s/u3wbakb6e4sm00y/pa…
u/Qwitter

Wow!
u/vain

Who needs longer shaders? ;-) Real DemoScene feeling

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pavel

remix of d/18503 by u/BriSeven

function u(t) {

with(x)for(i=0;i<960;fillRect(i%4*4-7,(y&3)*4-7,s=i++?rotate(t)||2:52,s))fillStyle=R(y=i/4,setTransform(48,0,0,24,i&&960,i&&540-y*S(t)),i/2)

Apr 30 2020 4:14 AM UTC

}// 140/140

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u/BriSeven

This is super impressive pavel, I don't know how you did it or how this code works yet, but you stuffed it into 140. wow

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myro

remix of d/18548 by u/myro

function u(t) {

w=1080;c.width=w
for(r=0;r<w;r++){
a=(r+t*60)%6.28;u=r*C(a);v=r*S(a)
x.fillStyle=R(200+v,u*300/r,200-v)
x.fillRect(u+w/2,v+w/4,r/5,r/5)}

Apr 29 2020 9:55 PM UTC

}// 136/140

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rainbow whirlpool

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