Dweets 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.

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Current theme challenge: #Opposites

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metamero

remix of d/14008 by u/Jezza

function u(t) {

t||x.translate(w=960,h=540)
x.drawImage(c,-w,0,w*2,h*2)
x.fillStyle=R(C(t*5)*256,S(t*3)*256,T(t)*256)
x.fillRect(0,0,w,7)
x.rotate(1.5687)

May 20 2019 11:00 PM UTC

}// 139/140

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fractal kaleidoscope

u/katkip

Cool
u/joeytwiddle

#colorshock #kaleidoscope

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metamero

function u(t) {

eval(unescape(escape`𡠽𩀽🡻𭱩𭁨𚁸𚑦𫱲𚁩🐶𝀻𪐭𛐻𩡩𫁬𚁐👮𩑷𘁐𨑴𪀲𡀬𩀿𤀮𨑲𨰨𞐶𜀫𚀨𪐾🠳𚐭𜰮𝐩𚡤𛀵𝀰𚰨𪐥𞀭𜰮𝐩𚡤𛀴𜠬𜀬𝰩𞡐𛡲𩑣𭀨𜀬𜀬𜡥𜰬𜡥𜰩𚐩𩡩𫁬𤱴𮑬𩐽𩀿𩀦𜐿𤠨𜀬𜀬𜀬𛠳𚐺𤠨𜐹𞐬𜐹𝰬𞀸𚐺𤠨𞐱𛀸𞀬𜠵𝐩𯐻𡠨𜀩𞱆𚀱𜠰𚐻𡠨𜐱𝐩`.replace(/u../g,'')))

May 20 2019 7:08 PM UTC

}// 138/140

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attempt to reproduce another #opticalillusion by prof. Akiyoshi Kitaoka (image appears to contract)

u/metamero

uncompressed: F=d=>{with(x)for(i=64;i--;fill(P=new Path2D,d?P.arc(960+((i>>3)-3.5)*d,540+(i%8-3.5)*d,42,0,7):P.rect(0,0,2e3,2e3)))fillStyle=d?d&1?R(0,0,0,.3):R(199,197,88):R(91,88,255)};F(0);F(120);F(115)
u/pavel

147 with(x)for(d of[0,120,115])for(i=64;i--;fill(arc(960+((i>>3)-3.5)*d,540+(i%8-3.5)*d,d?42:2e3,0,7)))beginPath(fillStyle=d?d&1?'#0005':'#CC5':'#55F')
u/Xen

niice

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metamero

function u(t) {

localStorage.Ç=`𨰮𭱩𩁴𪁼👮🐱𜠸𞱍🐨𭀿𣐺𦰮𛠮𠑲𬡡𮐨𮐽𝰲𚡮𚑝𚐮𫑡𬀨𚁶𛁫𚐽🡴🰨𦱮𛀱𛁮𛐱𛁮𚰱𧐮𫑡𬀨𩀽🡢𚰽𣑛𚁫𚱤𚱹𚐥𮑝𚱍𦰨𪰭𩀫𮐩𙑹𧐬𨠽𜀩𛁢𙠦𮀮𩡩𫁬𤡥𨱴𚀱𝐪𚁫𙑮𚐬𜐵𚠨𪰯𫡼𜀩𛀹𛀹𛁸𛡦𪑬𫁓𭁹𫁥🐧𪁳𫀨𙰫𚁶🰰𞡢𚠴𝐩𚰧𘀹𞐥𝐰𙐩𙰩𛁢𧠲🱢🐽𜰺𭠩𞡍𨑴𪀮𬡡𫡤𫱭𚁯𫡣𫁩𨱫👲𩑳𩑴𚐾𛠵𚐻`

May 20 2019 5:13 PM UTC

}// 134/140

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another dweet split experience : setup / #compressed code for a colorful #gameoflife

u/metamero

goto d/14018 to run Ç

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metamero

remix of d/11916 by u/metamero

function u(t) {

eval(unescape(escape(localStorage.Ç).replace(/u../g,'')))

May 20 2019 5:12 PM UTC

}// 57/140

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57B colorful #gameoflife (not really haha first see d/14019 for this to work)

u/katkip

:)) my method lmao
u/katkip

awesome btw

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metamero

function u(t) {

localStorage.Ü=`t?++m%5||(c.width=w=288,x.fillRect(0,0,w,w),E=p=>p<0?0:p>12?12:p,a^28?a^2?F=(p,a,b=5)=>x.clearRect(5+a`
location='/id/14016'

May 20 2019 4:01 PM UTC

}// 140/140

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two player #pong (Q↑↓A vs L↑↓P) dweet split experiment [1/3] - full code at codegolf.tk/a/363

u/metamero

#game instructions: scroll down and back sometimes to begin. click on canvas and play with keys Q/A for one player and L/P for the other. also works when seeing/executing all the tree parts/dweets d/14017 d/14016 and d/14015 . or just scroll my page up to the last part u/metamero
u/cantelope

update: codegolf.tk (and all .tk domains), is permanently offline... for now there are a handful of working mirrors, e.g. https://whr.rf.gd/shorty/65NAW

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metamero

function u(t) {

localStorage.ü=`*9,5+p*9,9,b*9):b<P||b-P>5?a=32-s++:v=1:b<Q||b-Q>5?a=32-s--:v=-1,a+=v,b+=b^16?b?r:r=1:r=-1,F(P=E(P),1)`
location='/id/14015'

May 20 2019 4:00 PM UTC

}// 140/140

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two player #pong (Q↑↓A vs L↑↓P) dweet split experiment [2/3] - full code at codegolf.tk/a/363

u/metamero

#game instructions: scroll down and back sometimes to begin. click on canvas and play with keys Q/A for one player and L/P for the other. also works when seeing/executing all the tree parts/dweets d/14017 d/14016 and d/14015 . or just scroll my page up to the last part u/metamero
u/metamero

for the game to work on this window you first have to open/run the first part d/14017

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metamero

function u(t) {

with(localStorage)eval(Ü+ü+`,F(Q=E(Q),29),F(b,a,1),F(0,s,1)):(P=Q=b=m=6,a=s=15,v=r=1,onkeydown=e=>{k=e.which;d=k&16?-1:1;k&1?P+=d:Q+=d})`)

May 20 2019 4:00 PM UTC

}// 138/140

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two player #pong (Q↑↓A vs L↑↓P) dweet split experiment [3/3] - full code at codegolf.tk/a/363

u/metamero

#game instructions: scroll down and back sometimes to begin. click on canvas and play with keys Q/A for one player and L/P for the other. also works when seeing/executing all the tree parts/dweets d/14017 d/14016 and d/14015 . or just scroll my page up to the last part u/metamero
u/metamero

for the game to work on this window you first have to open/run the other parts d/14017 d/14016

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metamero

remix of d/13989 by u/katkip

function u(t) {

eval(unescape(escape`𫁯𨱡𫁓𭁯𬡡𩱥𛡰𜐽𨁷𪑴𪀨𮀩𩡯𬠨𙁻񉰽𙱧𫁯𨡡𫁃𫱭𬁯𬱩𭁥𣱰𩑲𨑴𪑯𫠽𙱽𙱤𨑲𪱥𫠧𛁦𪑬𫁓𭁹𫁥🐢𘰰𜀰𜐢𛁦𪑬𫁒𩑣𭀨𜀬𜀬𦠽𜡥𜰬𦠩𛀤𮳧𯐧𬱣𬡥𩑮𙰬𪐽𝐰𜀻𪐭𛐻𨡥𩱩𫡐𨑴𪀨𚐬𨑲𨰨𚁓𚁩𚐪𜑥𞐭𪰩𙐱𞐲𜀭𜰰𛁠𞱬𫱣𨑴𪑯𫠽𙰯𪑤𛰱𜰹𞐰𙰻`.replace(/u../g,'')))

May 20 2019 2:05 PM UTC

}// 139/140

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arbitrary code size execution using localStorage without leaving the page | scroll down and up again to play dweet(s) | animation by u/KilledByAPixel

u/KilledByAPixel

Holy cow, that is awesome but this may need to be fixed.
u/magna

Beautiful!
u/katkip

#exploit

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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

May 18 2019 1:07 AM UTC

}// 112/140

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#default

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metamero

remix of d/13927 by u/metamero

function u(t) {

t?0:c.outerHTML=`<svg width=999 height=999><circle cx=284 cy=160 r=70 fill="red">`

May 17 2019 2:59 PM UTC

}// 82/140

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yet another way to draw japan flag / red ball using #svg element

u/metamero

#nosemicolons / one statement
u/username

full screen duhh
u/DataMeta

Odd behavior in fullscreen firefox - black background and off-center circle
u/metamero

these are just exercise... this other works on fullscreen d/13927
u/DataMeta

Simply informing :)

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