Dweets awesomed by u/MAxSaL

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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pavel

function u(t) {

for(i=c.width|=t%=1,s=60*2**t,r=.71+.29*t;i--;x.fillRect(((i&60)+Y%2*2+r*C(a=.7854*(2*i+t-1))-t-.5)*s,(Y*2+r*S(a)-.5)*s,s,s))Y=i>>6

Sep 8 2021 6:43 PM UTC

}// 131/140

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Check this out

Show more comments…
u/UEZ

Looks very nice and smart coded. One noob question: which colors will be used in the loop by default when you don't use fillStyle? I saw many examples without fillStyle but the result is not monochrom. Thx.
u/rep_movsd

The default fill color and stroke color are black. Colors have to be set with fillStyle, strokeStyle or perhaps even setting the background (rare)
u/pavel

The default color for fill, fillRect, stroke, strokeRect is black and you need to call fillStyle or strokeStyle respectively. You must have seen other drawing techniques, maybe like putImage or using style attributes to add a filter over the B&W colors.
u/pavel

Haha looks like we answered at the same time and eerily similarly.
u/UEZ

Hmm, when I look to https://www.dwitter.net/d/23732 I cannot see any strokeStyle/fillStyle but the color result is greyscale.
u/pavel

Gray can be achieved by spacing out black pixels amongst white ones. d/23773 shows this clearest.

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rep_movsd

function u(t) {

eval(unescape(escape`𤀽𣰽🡸𛡦𪑬𫁒𩑣𭀨𣰬𮐽𦐭𤰨𨐽𦀯𦠭𛠵𚐪𦀯𝀬𜰬𥀿𜰺𦀽👚𯁼𦀽👗𛐱🰱𝠺𝀪𚁃𚁆𚡏𚡹𚐾𛠸𙠦𦐥𜐶𙠦𨐾𛠷𙠦𨐼𜠮𝰦𙡙🡚𚰶𞐦𙡙🀹𜀰𚐩𒡙🐨𡠽𩡲𨑭𩐩𙐹𞐪𞀫𚁚🐲𞀰𚐬𥀽𦐼👚𯁼𦐾𚁗🐹𝠰𚐊𩡯𬠨𦀽𦠻𡠼𜐰𜀦𙡘🁗𞱘𚰫𚑐𚁘𚐬𤀨𜐹𜠰𛑘𚐻`.replace(/u../g,'')))

Sep 4 2021 9:16 PM UTC

}// 139/140

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The book of dweet

u/neimad

very nice
u/tomxor

Great idea
u/KilledByAPixel

now that's what i call a good book!

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danny@hille.dk

remix of d/20135 by u/danny@hille.dk

function u(t) {

f=i=>S(t+y/255*C(t)+i*1.57)*120;for(y=c.width|=0;y--;)for(i=4;i--;)n=f(i),m=f(i+1),n<m&&x.fillRect(n+f(y/255)+940,y,k=m-n,(i%2?k:99-k)/120)

Sep 3 2021 12:37 PM UTC

}// 140/140

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Twisted metal remix #uncompressed

u/danny@hille.dk

This is a personal thing!!! Twister2d is one of my favorite old school effects, it's also one of the first things i tried to golf to fit into a dweet (and I failed miserably :-)) I have retried tried (and failed) a couple of times, but this is the first time i actually managed to get the damn thing to fit without compression. I had to scarifice colors to maintin an interesting animation. Perhaps I'll get it next time :-) #twister #twister2d
u/New_Core

it look great...
u/DataMeta

beautiful #grayscale

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pavel

remix of d/23719 by u/rep_movsd

function u(t) {

for(Y=t%4*50,r=Y<27?Y:27,i=99;a=i--/32;x.fillRect(X+2*r*C(a),5*Y+r*S(a),3,5))x.fillStyle=`hsl(${h=r<9|r-Y?X=t/4<<7:42},${h}%,${42+C(a)*20}%`

Sep 1 2021 9:24 PM UTC

}// 140/140

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16-Color Pencils

u/tomxor

haha, beat me to it, i had the same idea to golf using t but you made it even better with colour tips!!
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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rodrigo.siqueira

remix of d/23673 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`sepia(`
A=a=b=.8/t;s=920
for(i=1e4;--i;b=A,A=a)x.fillRect(940+a*s,540+b*s,.8,t<99),a=Math.abs(a/2+1/b/2e3)*(A/2+C(a-a/4))-b

Aug 29 2021 8:19 PM UTC

}// 140/140

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Glial astrocyte convergence

u/magna

Crazy!

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rodrigo.siqueira

remix of d/23669 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`sepia(`
A=a=b=.8/t;s=400
for(i=1e4;--i;b=A,A=a)x.fillRect(900+a*s,480+b*s,1,t<5),a=.4-b+Math.abs(a/2+1/b/2e3)*(A/3-.5)

Aug 29 2021 12:23 AM UTC

}// 134/140

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Axon formation around a multinucleate alien cell

u/sigveseb

Nice!
u/Toby

Fab! Do you have a source reference for the kind of iterated formula you're using?
u/rodrigo.siqueira

You can see the original equation by changing the to "s=70" and the end to: a=1-b+Math.abs(a)
u/rodrigo.siqueira

It's based on the "Gingerbreadman Map" #gingerbreadman https://www.dwitter.net/d/14641 I don't understand the details but I know that "Even the simplest mathematical expressions, when interpreted as dynamical systems, yield fractals."
u/Toby

Ahhhh yes of course! I remember Gingerbreadman now! Thank you Rodrigo!

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Joachim

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪍼󟝴󟼰󞭤󟝰󟝛󧜊󩌫󚼊󩌥󞜼󝬦󙭰󛭰󭝳󪌨󮽸󞬹󝬰󚽓󚍴󚜪󜬰󜌬󮜺󝜴󜌬󬼺󜜬󬬺󤼨󭌪󞜩󯜩󒭦󫽲󚍩󘍯󩬠󬌩󮽳󟝩󛭳󒭸󛭦󪝬󫍒󩝣󭌨󪜮󮌭󬼯󜬬󪜮󮜫󟝳󛼵󜌬󪜮󬼪󟜱󛬰󝜬󬼯󝌰󚜊󮌮󩭩󫍬󤭥󨽴󚍩󛭸󚽳󛽩󛭲󛍩󛭹󛝳󛍳󛼹󛍳󚜊󮌮󩭩󫍬󤭥󨽴󚌰󛌵󝌰󛍳󛌲󚝽`.replace(/u../g,'')))

Aug 28 2021 1:39 PM UTC

}// 140/140

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old, #infinite #road

u/Joachim

#perspective
u/rodrigo.siqueira

Almost a car #game. Better than Atari's Enduro.
u/vain

just wow!

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mxfh

remix of d/23558 by u/mxfh

function u(t) {

I=new ImageData(w=2048,w)
b=new Int32Array(I.data.buffer)
for(i=4e6;i--;X=i%w-960,b[i]=X*X+Y*Y+S(t)/Y*i<<14)Y=i/w-540
x.putImageData(I,0,0)

Aug 17 2021 3:33 PM UTC

}// 139/140

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Event Horizon Camera

u/mxfh

#time

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rep_movsd

function u(t) {

eval(unescape(escape`𚁁👄𨑴𩐨𚐮𬱰𫁩𭀨𛰺𯀠𛰩𚑛𝁝𙐽𜐲𒡋👮🐾𘐨𠑛𩀽𝀫𬀫𚰥𜱝𚠵𜠯𦰱𛀵𛀵𧑛𩀭𝁝𧡩𚐊𩡯𬠨𨰮𭱩𩁴𪁼👑🐳𜐲𛁩👰👢🐶𜠴𞱩𛐭𞰩𩡯𬠨𪀽𢰨𮠽𢰨𚐩𯁋𚀩𯁺𛁲👑𛐨𪀿𤐺𪐥𝐲🰱𜀺𝐰𚐻𬠫𚰼𤐭𮠪𝐹𞰩𮀮𩡩𫁬𥁥𮁴𚀰𛁢𚱓𚁪👩𛰹𞐩𚡲𛁢𛑃𚁪𚐪𬠩`.replace(/u../g,'')))

Jul 4 2021 3:48 PM UTC

}// 140/140

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Analog Clock #analog #clock #time

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