Dweets awesomed by u/KilledByAPixel

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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tomxor

function u(t) {

t>1&&eval('U='+parent[c.style=9*u.r|reset()].u);U(t);if(t%1>.8)for(c.width=128,i=1e4;i--;)x.fillRect(i&127,0|i/120-t*4,1,u.r=Math.random())

Mar 13 2020 1:15 AM UTC

}// 139/140

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Dwitter Vision

Show more comments…
u/Xen

love the idea
u/DaSpider

ReferenceError: U is not defined
u/KilledByAPixel

how is this possible?
u/tomxor

All loaded iframes are enumerated on the window object (for any webpage), the value is the window object of the corresponding frame... and from inside a dweet this can be accessed (with restrictions) by going to the parent frame, then you have access to any globals in that other frame. While you can't call a function since it's in a different JS context, you can read it's source and re-evaluate it.
u/tomxor

essentually window.parent[n].u is the function created by dwitter for dweet n on the page, if you add it to a string it calls toString which returns the source, you can eval this and assign it to something to run in this context.
u/tomxor

I think I am the most verbose person here sorry :/
u/jellyedwards

Wow that's amazing!
u/jellyedwards

Very nice presentation of that little trick
u/katkip

nice trickery. #exploit #trick #hack
u/sigveseb

Woah

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DaSpider

remix of d/17902 by u/BriSeven

function u(t) {

c.width=700
for(i=8;i--;){
x.font=i+'em a'
x.fillText(['🚛','🚑','🚒','🚚','🚐','🚙','🚕','🚗','🚓'][i+(_=~~(t/2))%3],620-(i/2*t*512&1023),10*i**2)
}

Mar 12 2020 8:27 PM UTC

}// 140/140

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replacing x.fillText([...'🚛🚑🚒🚚🚐🚙🚕🚗🚓'][i+(_=~~(t/2))%3],620-(i/2*t*512&1023),10*i**2) saves a few chars

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katkip

function u(t) {

eval(unescape(escape`𩠽𫠽🡮🠱𝠹🰭𩠨𫠭𜐶𞐩𞡮🀱𜠿𜐷𚰱𝰪𤰨𫠯𜰩𞡮🠸𝐿𤰨𚁮𛐸𝐩𚠪𝀯𜡥𝰯𜐮𜰩𚠨𫠭𞀵𚐯𜠫𜰺𜰊𩡯𬠨𦀽𭁼𜀬𪐽𜰳𞀻𪐭𛐻𚑸𛡦𪑬𫁒𩑣𭀨𦀪𝀰𜀫𩠨𪐩𚠳𛐨𬐽𚀹𚡴𯀰𚐥𝀩𚠲𜀰𛀵𝀰𛑩𚠳𙐵𜀹𚱱𚠳𜀰𛀹𛀹𚐠`.replace(/uD./g,'')));             7

Mar 12 2020 7:20 PM UTC

}// 140/140

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Just my collection of glasses. #glass

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katkip

function u(t) {

c.width=200;for(j=4;j--;)for(i=899;i--;)x.fillRect(99+C(i+t)*(40+S(i*2+999/j)*15*j),50+S(i*2+t-j)*(30+S(100/i-j*1 )*5*j-i/99),1,S(j+t+i/2))

Mar 12 2020 4:28 PM UTC

}// 139/140

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Random thing I've made with XaTuring's help as a test

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KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𪑬𫁓𭁹𫁥👒𚁴𚠽𜠷𞐬𜠵𝐬𜠵𝐩𛁦𪑬𫁒𩑣𭀨𜀬𭀪𝀬𜡥𜰬𭀼𝀷𝀿𞐹𞠭𜱥𜰩𛁬𪑮𩑗𪑤𭁨🐱𞀬𬱴𬡯𪱥𤡥𨱴𚀹𛀹𛀱𞐰𜠬𜐰𝠲𚐬𭀼𝀴𝠿𫁩𫡥𥁯𚀹𝠰𚰨𬠽𞐶𜀫𠰨𭀪𚠳𚐪𜐹𞐩𚡓𚁴𛰽𝠷𚐬𝐴𜀭𠰨𭀩𚠨𬠭𝀸𜀩𛁳𭁲𫱫𩐨𚐩𞡣𫁩𬀨𚐻`.replace(/u../g,'')))

Mar 12 2020 6:47 AM UTC

}// 137/140

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Broken Pane of #Glass

u/katkip

good idea
u/Qwitter

(Contest) ? golf a suitable "POW" in there : have a nice day;

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BriSeven

function u(t) {

eval(unescape(escape`挮睩摴株㴱ⱳ㴲㔵ⱓ㴴〻景爨椽〻椼医椫⬩景爨樽〻樼医樫⬩挽䌨椯ㄱ⭃⡴⼷⤩⩃⡪⼵⭃⠨樭琩⼵⭴⤩ⱸ⹦楬汓瑹汥㵒⠳〪椬猭挪猬猭挪猩ⱸ⹦楬汒散琨⵩⨨㌪䌨樯㐫㌩⬴⤫䌨樯㐫㌩⨶〫ㅥ㌬横匫猬匬匩`.replace(/u(..)/g,"$1%")))

Mar 12 2020 6:28 AM UTC

}// 137/140

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lava lamp #glass

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katkip

function u(t) {

eval(unescape(escape`𨰮𬱴𮑬𩐮𨡡𨱫𩱲𫱵𫡤👒𚀩𞱸𛡬𪑮𩑗𪑤𭁨🐱𜀻𮀮𨡥𩱩𫡐𨑴𪀨𚐻𩡯𬠨𬠽𚀳𜀰𚰱𜀰𛱴𚐬𪐽𞀻𪐭𛐻𚑸𛡡𬡣𚀹𝠰𚱃𚁩𚠳𛠵𞐫𛠷𚐪𬠬𝐴𜀫𤰨𪐪𜰮𝐹𚰮𝰩𚡲𛀰𛀰𛀰𚐻𮀮𬱴𬡯𪱥𚀩𞱸𛡳𪁡𩁯𭱂𫁵𬠽𝀰𛱴𞱸𛡳𪁡𩁯𭱃𫱬𫱲👒𚀱𜀰𛱴𛀳𜀰𛱴𚐠`.replace(/uD./g,'')))//7

Mar 11 2020 7:16 PM UTC

}// 140/140

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Need programming help? Summon XaTuring, the God of Technology. A very useful godform (manmade) that really deserves respect! 111 http://www.waningmoon.com/xaturing

u/rodrigo.siqueira

If you are into this, check also the God of AI (also manmade, to be created using AGI algorithm), follow here: https://twitter.com/wayofthefuture_
u/joeytwiddle

XaTuring and the God of AI are nice and all, but what about TimeCube? https://web.archive.org/web/20080709075217/h…
u/Xen

sweet

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pavel

remix of d/17888 by u/New_Core

function u(t) {

for(k=c.width|=0;j=--k>>6;x.fillRect(960+99*(2*C(j)+S(i*22))/z,540+(99*S(j)+i*S(v=i/69)*C(v-5*q))/z,4/z,8*S(4*v-4)/z))i=k%64,q=t+j,z=5-q/3%5

Mar 11 2020 7:08 PM UTC

}// 140/140

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Birds 2

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yonatan

function u(t) {

c.width=-1
for(i=800;i--;x.beginPath(x.stroke()))x.ellipse(150,85+C(m=i)*50,r=69+50*S(m=i),r/3,0,t,9+t),x.setLineDash([r/9])

Mar 11 2020 11:12 AM UTC

}// 124/140

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u/13thptr

#torus #illusion

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BriSeven

remix of d/2351 by u/nonce

function u(t) {

c.width=600
x.font='9em a'
x.fillText(['🥃','🥛','🍷','🍸','🍹','🍺'][(_=~~(t/2))%6],620-(t*512&1023),250)
c.style.filter=`hue-rotate(${_*10}deg`

Mar 11 2020 5:54 AM UTC

}// 139/140

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#glass

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