Dweets awesomed by u/SockTaters

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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ciaccodavide

remix of d/20732 by u/ciaccodavide

function u(t) {

onmousemove=e=>X=e.x*.305
w=173,z=Math.abs(S(t))
throw`|`.repeat(X)+`⬤`+`|`.repeat(w-X)

Nov 20 2020 6:27 PM UTC

}// 89/140

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Move your mouse to move the ⬤ #interactive

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Irratix

remix of d/20727 by u/Irratix

function u(t) {

d=new Date()
x.fillText([...'🕛🕐🕑🕒🕓🕔🕕🕖🕗🕘🕙🕚🕧🕜🕝🕞🕟🕠🕡🕢🕣🕤🕥🕦'][d.getHours(x.font="9em'")%12+(d.getMinutes()>29&&12)],0,133)
throw d

Nov 20 2020 3:20 PM UTC

}// 124/140

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and shorter

u/ciaccodavide

Nice!
u/Xen

love it

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anotherkitten

function u(t) {

for(i=499;i--;x.fillRect(S(T+t+S(T))*800+940,C(T+t)*400+520,40,40))x.fillStyle=`hsl(${S(T=i+t)*-25},80%,${75-S(T)*9}%`

Nov 19 2020 9:53 PM UTC

}// 118/140

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in love with this color palette

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yonatan

remix of d/16195 by u/yonatan

function u(t) {

eval(unescape(escape`𬐽𨰮𭱩𩁴𪀽𞐹𞱦𫱲𚁶𨑲𘁭🐳𜀬𨐬𪠬𪰬𪐻𫐭𛐻𚑦𫱲𚁮🐱𛑭𛰳𜀬𪐽𬐻𪐭𛐻𮀮𩡩𫁬𤡥𨱴𚁩𛁡𚠨𜠹𛑭𚐯𜠬𜐬𬐬𮀮𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀲𜀰𛀤𮱭𚠳𯐥𛀤𮰵𜀫𤰨𫠪𝀩𚠵𜁽𙐩𨀩𚑦𫱲𚁡🐳𛁪🐱𜠻𪠭𛐻𨐫👓𚀨𚁴𛱭𚡱𚱩𚐫𞐪𤰨𫐪𪰩𚐪𪰯𞐩𛱫𚑫🐲𚠪𪠻`.replace(/u../g,'')))

Nov 18 2020 5:52 PM UTC

}// 140/140

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much faster in firefox

Show more comments…
u/danny@hille.dk

NICE!
u/tomxor

Woah!! The low res makes it feel more real for some reason.
u/DataMeta

AMAZING #landscape
u/ciaccodavide

wow D:
u/rep_movsd

This is amazing
u/Xen

nicely done!

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ciaccodavide

function u(t) {

c.width|=1
g=50
for(k=50;k--;)
for(j=50;j--;)
h=(k*j+j*j-k*k+t*2)%6.28,
x.moveTo(j*g,k*g),
x.arc(j*g,k*g,10*~~(t/2%3+1),h-3.14,h)
x.fill()

Nov 17 2020 9:41 AM UTC

}// 138/140

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Black fruit wedges

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New_Core

function u(t) {

t?t%2<1.98?0:Z=Z*1.4:Z=.1
for(i=22;i--;x.fillRect(300+b*50,0,C(a+b),182))b=t*60%2,x.setTransform(d=Z*S(a=t/7+i/3.5),e=Z*C(a),e,-d,999,540)

Nov 14 2020 3:55 PM UTC

}// 138/140

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tomxor

remix of d/20584 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪀽𜐹𜠬𤠽𝀸𛁩🐸𜀶𝀻𪐭𛐻𮀮𩡩𫁬𤡥𨱴𚁓𚰹𝠬𥀫𝐴𛁃𚁡👍𨑴𪀮𨑴𨑮𜠨𤰽𪐥𞐷𛑒𛁔👩𛰹𝰭𤠬𬠽𚁓𚡓𚱔𚡔𚐪𚠮𝐩𚠹𚐪𜠰𛑲𙠴𝀦𙡲🠳𝠿𬠼𝀲🱔𛱒𞡓𛱒𞠱𛁲🠳𝠿𬠼𤠺𮠨𜰩𛰵𚐩𮠽𫠽🡮𛐭𙠦𠰨𨐯𜰫𬠫𭀪𞐩𚡃𚁔𛰵𚱺𚁮𚐪𜠩𛑲𛰶`.replace(/u../g,'')))

Nov 14 2020 1:20 PM UTC

}// 139/140

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#stargate connected to a world with a #blackhole

u/tomxor

From "A Matter of Time" episode, requested from u/nbevans on HN.

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tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪀽𜐹𜠬𤠽𝀸𛁩🐸𜀶𝀻𪐭𛐻𮀮𩡩𫁬𤡥𨱴𚁓𚰹𝠬𥀫𝐴𛁃𚁍𨑴𪀮𨑴𨑮𜠨𤰽𪐥𞐷𛑒𛁔👩𛰹𝰭𤠬𬠽𚁓𚡓𚱔𚡔𚐪𚠮𝐩𚠹𚐪𜠰𛑲𙠴𝀦𙡲🠳𝠿𬠼𝀲🱔𛱒𞡓𛱒𞠱𛁲🠳𝠿𬠼𤠺𮠨𜰩𛰵𚐩𮠽𫠽🡮𛐭𙠦𠰨𥀯𜠫𤰪𥀯𤠫𭀪𞐩𚡃𚁔𛰴𛑺𚁮𚐪𜠩𛑲𛰶`.replace(/u../g,'')))

Nov 13 2020 1:17 AM UTC

}// 140/140

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#stargate

Show more comments…
u/DataMeta

wow WHAT
u/DataMeta

super rad combo of that fluid/smoke technique from a while back and the recent 2.5D Doom texture tricks!
u/chris@grimtech.net

Is this an incoming or outgoing wormhole? thanks
u/magna

WHAT.
u/sigveseb

Holy smokes!
u/tomxor

https://news.ycombinator.com/item?id=25088683
u/aleamb

brutal! amazing!!!
u/rep_movsd

This is one of the all time greats
u/Xen

Yess!
u/UEZ

Awesome. One rookie question: where are the color values saved?
u/red-lady

Stargate!!
u/tomxor

@UEZ the width and height of fillRect are used, when less than one pixel it will interpolate the alpha channel in proportion to the area. The same happens when an edge lies between two pixels (anti-aliasing).
u/UEZ

@tomxor: thanks for your fast reply. :-) That's what I thought but when will width used, when height? I'm trying to under JS by converting it to FB.
u/UEZ

*understand
u/tomxor

The following are equivalent when the values of w and h are between 0 and 1: fillRect(0,0,w,h) == fillRect(0,0,w*h,1). This is because the alpha channel of this pixel value is roughly proportional to the subpixel area (w*h). In terms of the patern we are trying to create, multiplication it's like the continuous version of AND, i.e the binary version is 1 IF w AND h. Additionally a lot of characters are saved when separating into w and h because we dont need to wrap the actual subexpression used to create w and h in parens and multiply them i.e fillRect(0,0,(.1+.2)*(.3+.4),1) becomes fillRect(0,0,.1+.2,.3+.4), that's -5 chars!
u/UEZ

@tomxor: thx.
u/nystrand

epic!
u/jelmo

Nice
u/vain

Wow! This seems to be your stargate... Seems you are not from this world! Incredible!!!

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KilledByAPixel

remix of d/20551 by u/KilledByAPixel

function u(t) {

c.width|=i=96
with(x)for(translate(1e3,564);j=--i/12|0;rotate(.5236))rect(-1e4,j*99,1e5,C(j+t)*199),fillStyle=R(i%12||fill`evenodd`,i*j,i*5)

Nov 10 2020 7:25 PM UTC

}// 140/140

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Kaleidoscopic #uncompressed #symmetry

u/KilledByAPixel

#Kaleidoscope
u/donbright

so crisp.... amazing

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KilledByAPixel

remix of d/20288 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼👫🐲𝐲𒡦𫱲𚁸𛡴𬡡𫡳𫁡𭁥𚀱𜀲𜰬𝐷𝠩𞱫𛐭𞱸𛡲𫱴𨑴𩐨𣑡𭁨𛡐𢐯𝠩𚑸𛡲𩑣𭀨𛐱𩐴𛀨𪠽𪰥𝰩𚠱𞐹𛀱𩐵𛁓𚁪𚰨𪰯𞀴𯀰𚐫𭀩𚠷𞐩𛁫𙐸𝀿𮀮𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀤𮱫𚠲𚱴𚠶𜁽𘀹𞐥𙁻𪰯𜱽𙐩𨀺𮀮𨡥𩱩𫡐𨑴𪀨𮀮𩡩𫁬𨁥𭡥𫡯𩁤𨀩`.replace(/u../g,'')))

Nov 10 2020 6:36 PM UTC

}// 137/140

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Kaleidoscopic #symmetry

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