Dweets awesomed by u/metamero

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: #Opposites

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rodrigo.siqueira

remix of d/31859 by u/anilalur

function u(t) {

c.style.filter=`sepia(.6)invert(`
t?x.drawImage(c,~x.fillText(88,~x.scale(s=1-C(1/++t)/25,s),0),~x.rotate(3)):x.translate(980,540)

May 30 2024 10:27 PM UTC

}// 130/140

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Double spiral galaxy #spiral #galaxy

Show more comments…
u/metamero

lindo!!
u/aaaaaz

why tild before x ? ~x ?
u/tomxor

all of the x.method() calls return undefined, and bitwise operators coerce any non-number into 0, so ~x.foo() = ~undefined = ~0 = -1. The purpose of this - all of those method calls are defined as parameters to other methods, not for their return value, but to save 1 char. i.e x.foo(0,0);x.bar()=18 x.foo(0,~x.bar())=17, that the parameter is -1 instead of 0 doesn't matter too much in these cases.
u/cantelope

u/rodrigo.siqueira https://i.ibb.co/kGZrsF5/ezgif-3-2716f9f1aa.…
u/rodrigo.siqueira

Wow u/cantelope, how was this made?
u/lewdev

u/tomxor that's awesome. Thanks for explaining that!

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rodrigo.siqueira

remix of d/31912 by u/rodrigo.siqueira

function u(t) {

c.style='filter:invert('
for(a=b=0,i=1e4;i--;a+=(r=i*t/b&1)/.3+b*S(a/4)*.3-a*a/5,b+=.4+T(a)/9-a*b/9)x.fillRect(3400-a*2300,b*550-800,.1,t<4)

May 29 2024 1:23 PM UTC

}// 140/140

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Plant - light gradient #plant

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pavel

function u(t) {

for(i=420;r=--i>>2;i&3||x.beginPath(x.fill()))x.fillStyle=`hsl(177,42%,${90-3*r}%`,x.arc(960,580,24*r,a=(i*2-.5+(~r%2|1)*C(t-r/9))/.9549,a)

Sep 8 2021 11:34 PM UTC

}// 139/140

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3x33 [A] by twitter.com/tequibo

u/rodrigo.siqueira

What is Pavel's Twitter account?
u/pavel

twitter.com/pavelbahilov I have plans to post but I don't currently

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TGY

remix of d/23702 by u/TGY

function u(t) {

u=.9
Y=X=Math.random()
for(i=1e3;i--;x.fillRect(X*400+700,Y*400+700,1,1))a=X,X=1+u*X*C(T=.4-6/(1+X*X+Y*Y))-u*Y*S(T),Y=u*a*S(T)+u*Y*C(T)

Aug 31 2021 2:48 PM UTC

}// 135/140

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Ikeda map

u/Xen

nice!

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Joachim

function u(t) {

eval(unescape(escape`󭽩󭍨󚍺󟝣󛭷󪝤󭍨󯌽󭌿󜌺󬌽󦽝󛍰󛭰󭝳󪌨󮽸󞭺󛍹󞬵󝌰󚼳󜌰󚭓󚌳󚭴󚝽󚜬󮌩󩭯󬬨󪜠󫽦󚍦󪝬󫍓󭍹󫍥󟜢󘼰󨭢󨬢󛍦󫽮󭌽󘬹󩝭󘍡󘬬󬭯󭍡󭍥󚍓󚍴󚜩󛍳󨝶󩜨󩭩󫍬󥍥󮍴󚌢󧍵󡌸󜽃󧍵󡍆󝽅󘬬󞜶󜌬󝜸󜌫󜼰󜌪󤼨󜼪󭌭󜬮󜬩󚜩󛍰󚜩󩭩󫍬󤭥󨽴󚍩󛭸󛜽󜬰󛍩󛭹󛌲󜌬󮬩`.replace(/u../g,'')))

Aug 31 2021 8:14 AM UTC

}// 140/140

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Message in a bottle!

u/danny@hille.dk

cute :-)
u/Joachim

#water #waves

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danny@hille.dk

remix of d/23661 by u/rodrigo.siqueira

function u(t) {

s=70,A=Z=a=b=t*.001;for(i=3e4;--i;t<4&&(x.fillRect(780+a*s,340+b*s,1,1),a=1.6-b+Math.abs(S(a)+a*1.022)))b=A,A=a

Aug 30 2021 6:09 PM UTC

}// 111/140

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tooth fary remix

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rodrigo.siqueira

remix of d/23687 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
A=a=b=t/2;s=240
for(i=1e4;--i;b=A,A=a)x.fillRect(990+a*s,640+b*s,.7,1),a=.04-b+1.2*Math.abs(a/3+1/b/4e3)*(A/9-2)

Aug 30 2021 2:25 PM UTC

}// 137/140

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I can't name it. Ideas?

u/Joachim

Spider-Limpets ;-)

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TGY

remix of d/23667 by u/Joachim

function u(t) {

c.width|=t?0:d=p=[]
Y=540
d++%9<6&&p.push({Y,s:1,X:Y+Y*S(t)**2})
for(i of p)with(i)x.fillStyle=R(s,a=s/20,s),x.fillRect(X-s/2,Y+=a,s+=a,a+9)

Aug 29 2021 1:53 PM UTC

}// 140/140

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lerc

remix of d/23608 by u/tactical_retard

function u(t) {

A="╱╲"
eval(unescape(escape`𭱩𭁨𚁸𚑻𡠽𩠽🡦𪑬𫁓𭁹𫁥👦𒡳👦𫱮𭀽𘠳𩑭𘁡𘠊𩡯𬠨𪐽𡐽𝐷𞱩𛐭𞱳𚰽𠑛𚰨𤰨𪐪𪐪𭀩🀰𚑝𚑆𨀣𜀸𩡠𒡑👟🐾𮰊𩡩𫁬𤡥𨱴𚀰𛁹🐰𛁷🐳𩐳𛁷𚐊𡡠𘰰𜁁𨀊𩡩𫁬𤡥𨱴𚀲𝠰𛀱𜠶𛀱𝀱𜀬𞀰𜀩𯐊𭀦𙡹🁷🱦𪑬𫁔𩑸𭀨𬰬𡐬𮐫👅𚐺𤐨𚑽`.replace(/u../g,'')))

Aug 22 2021 6:01 AM UTC

}// 140/140

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Took a bit of squeezing but it needed that classic look

u/lerc

Apect ratio is a bit weird since the c64 wan't 16:9. Didn't want to have massive borders tough.
u/tactical_retard

replace the 👅 with the 🐳 for a cool effect

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taupelink

remix of d/23574 by u/taupelink

function u(t) {

for(i=q=k=99;--i;x.fillRect(k*q*X,630-i-q/Y,-q*q/v,k*i/Y/v))f=i*t,X=f*f%1,Y=X*f%2-1,x.fillStyle=R(q/=1+S(q*X),q=q%9*i,q-=i/Y,Y*Y/q*k),v=2**t

Aug 17 2021 5:46 PM UTC

}// 140/140

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d/23578

Show more comments…
u/danny@hille.dk

dang that's nice
u/magna

Holy...
u/pavel

I think these would do better if they showed up all at once. I tried to muck around but your q logic is hard to compress for(k=99,m=t?0:5e4;X=S(m),Y=S(m*m--);x.fillRect(k*q*X,630-i-q/Y,q*q*m/9e5,i/Y))i=m%k,x.fillStyle=R(q=k/(1+S(k*X)),q=q%9*i,q-Y*k,k*Y*Y/q)
u/pavel

Yours looks really nice if you wait for it to finish!
u/rodrigo.siqueira

This #cityscape #scene deserves to be printed and framed. #city
u/rep_movsd

This is the best one of your recent technique
u/magna

I would totally want this on my wall
u/UEZ

#expressionism
u/taupelink

Thank you everyone for the compliments! And for bearing with me as I try different alternatives. And especially to u/pavel and others who have helped with coding/golfing.
u/taupelink

In fact, I am building a shop at society6.com: https://society6.com/taupelink
u/taupelink

For u/rodrigo.siqueira u/magna and anyone else interested in this particular dweet, here's a framed canvas version: https://society6.com/product/shoreline-skyli…
u/magna

u/taupelink Got one! I'll print out and attach the source code on it as well.
u/taupelink

thank you so much--enjoy!

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