Dwitter - javascript demos in 140 characters

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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KilledByAPixel

remix of d/13778 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`挮睩摴栽㈴〻砮獨慤潷䉬畲㴹㭸⹳桡摯睃潬潲㴢⌰〰∻砮晩汬却祬攽∣䕆䘢㭦潲⡩㴵〰㭩ⴭ㭰㵮敷⁐慴栲䐨⤬瀮慲挨⡓⡩⤪ㅥ㤭㄰⩓⡴⭩⤩┳〰ⴳ〬⡩⨹⵴⩩⼹⤥㈰〭㌰Ⱘ⡩┹㤩⼲㔩⨪㈬〬㜩ⱸ⹦楬氨瀩⤻`.replace(/u(..)/g,"$1%")))

May 12 2019 8:53 PM UTC

}// 138/140

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Bubbles

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username

function u(t) {

t?onclick=_=>Y?0:Y+=h:X=Y=9
c.width|=onkeydown=_=>X+=_.which==39?42:-42
x[$='fillRect'](0,1e3,2e3,h=197)
x[$](X,1e3-h*2-(Y=Y<9?0:Y-9),h,h*2)

May 12 2019 8:17 PM UTC

}// 140/140

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Dwitter jump and run, literally. Use arrow keys to run and tap to jump!

u/KilledByAPixel

That's really cool, mini mario! maybe it would be smaller to put jump on the up arrow key
u/username

it would be, however, it would not be possible to hold down an arrow key and jump at the same time and that annoyed me a lot

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pavel

remix of d/13601 by u/pavel

function u(t) {

c.width|=f=(X,Y,Z,d,o=d<7&&5)=>{for(x.fillRect(960+1e3*X/Z,1e3*Y/Z,s=6/Z/Z,s);o--;f(X+R*S(a=t+11*o),Y+R,Z+R*C(a),d+1))R=o&&2**-d}
f(0,0,1,2)

May 8 2019 6:02 AM UTC

}// 140/140

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#sierpinski #pyramid

Show more comments…
u/KilledByAPixel

Wow!
u/Jezza

So great!
u/iverjo

Impressive! #d3
u/katkip

cute
u/rodrigo.siqueira

They said it was impossible. But Pavel did it anyway and here it is.
u/KilledByAPixel

This one was worth of an awesome gif... https://imgur.com/gallery/oHiQizL
u/f8f82804

#perspective
u/KilledByAPixel

reddit says hi https://www.reddit.com/r/perfectloops/commen…
u/katkip

Top of the month
u/yukulele

shouldn't it have a triangular base?
u/pavel

That would be a tetrahedron. Pyramids usually have a square base.
u/vain

So wonderful! Amazing work!

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vinca

function u(t) {

for(t||(Y=0),X=2e3;X--;)x.fillStyle=R(r=255*S(1/S(X/99)+1/C(Y/20)+t),r*S(t)/5),x.fillRect(X,0,1,5);x.drawImage(c,0,5),Y++

May 9 2019 1:23 PM UTC

}// 121/140

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pavel

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼👦🐨𦐬𦠬𫠬𪠽𫠦𙠴𛁺👚𚰱𛁲🐲𚠪𛑮𚐽🡻𬰽𞐯𮠯𮠻𩡯𬠨𮀮𩡩𫁬𤡥𨱴𚀹𝠰𚠨𮠫𪐯𞀭𜐩𛱺𛑳𛰲𛀵𝀰𚰹𝠰𚡙𛱺𛁳𛁳𚐻𪠭𛐻𚑦𚁙𚱲𚡓𚁡👓𚁴𚐫𜐱𚡪𚐬𦠫𬠪𠰨𨐩𛁮𛐱𚑽𞱸𛡧𫁯𨡡𫁁𫁰𪁡🐮𝐻𩡯𬠨𪐽𜐶𞱩𛐭𞰩𩠨𜀬𜀬𝀩`.replace(/u../g,'')))

May 11 2019 7:42 AM UTC

}// 134/140

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182 c.width|=f=(Y,Z,n,j=n&&4,z=Z+1,r=2**-n)=>{s=9/z/z;for(x.fillRect(960*(z+i/8-1)/z-s/2,540+960*Y/z,s,s);j--;)f(Y+r*S(a=S(t)+11*j),Z+r*C(a),n-1)};x.globalAlpha=.5;for(i=16;i--;)f(0,0,4)

u/pavel

Wanted to make a 3d lattice with perspective
u/joeytwiddle

Didn't you already achieve that in d/13728 ?
u/pavel

Different method of generating a 3d lattice that rotates. Why is rotation so simple in this form?

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katkip

function u(t) {

throw`${(q=(frame**149).toString())[1]}${q[3]}${q[2]}${q[6]}${q[7]}`

May 11 2019 6:08 PM UTC

}// 68/140

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Look at the error! #waitforit

u/Xen

thats nifty

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Jezza

remix of d/13813 by u/Jezza

function u(t) {

A=M=(Y=frame)/60-9;for(X=1919;X--;){B=N=X/60-16;for(i=99;i--;)[A,B]=[C(A-B)+M,S(A+B)+N];x.fillStyle=R(Z=A*A*B*B*50,Z,Z);x.fillRect(X,Y,1,1)}

May 14 2019 1:20 AM UTC

}// 140/140

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Try it out with this fillStyle: x.fillStyle=hsl(${Math.atan2(A,B)*180/Math.PI},50%,50%)

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katkip

remix of d/11319 by u/katkip

function u(t) {

t||(z='');c.width=500;x.font='3em"';x.fillText("MICROWAVE:",0,80);
x.fillText(z.repeat(1+t),0-t**3,170)
z+=[..."mmnvmv"][6*Math.random()|0]

May 11 2019 5:46 PM UTC

}// 139/140

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#meme

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KilledByAPixel

remix of d/13774 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`砮晩汬却祬攽∣〰〢㭸⹦楬汒散琨〬〬㉥㌬㉥㌩㭸⹦潮琽∷敭⁡物慬∻砮晩汬却祬攽∣い䘢㭸⹦楬汔數琨≁⁬潮朠瑩浥⁡杯⁩渠愠摷敥琠晡爬∬ㄹ㤬㐹〩㭸⹦楬汔數琨≦慲⁡睡礮⸮⸢ⰱ㤹ⰶ㐰⤻`.replace(/u(..)/g,"$1%")))

May 12 2019 5:05 PM UTC

}// 133/140

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Dweet Wars Episode I - The Dweet Awakens #dweetwars

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username

remix of d/13687 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`砮杬潢慬䅬灨愽⸱㭸⹦楬汓瑹汥㵠桳氨⑻琪㐲紬㘷┬㔰╠㭦潲⡶慲⁷㴹㘰Ⱪ㴴攳㭩ⴭ㭸⹦楬汒散琨眫眪堯娬眪夯娬猽㈵〯娯娬猩⥘㴨㌪匨琩⭃⡖㵩⩃⡩⤩⤪䌨椫琩ⱙ㴨㈫䌨嘩⤪匨椫琩ⴳ⸵ⱚ㵓⡩⭴⨵⭙⤭㜻`.replace(/u(..)/g,"$1%")))

May 11 2019 7:22 AM UTC

}// 138/140

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u/13thptr

beautiful
u/iverjo

With some tweaks, this could be a nice screensaver :)