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: #ScaryMovies

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KilledByAPixel

remix of d/31724 by u/KilledByAPixel

function u(t) {

s=t?s/.997:9
for(i=199;i--;)for(j=102;j--;t<(i/15|j/15)%6+1&&x.fillRect((i-99)*s+960,(j-51)*s+540,s,s))x.fillStyle=R(v=(j|i|t*7)%7*t*9,v,v)

May 20 2024 2:46 AM UTC

}// 139/140

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High Rise 🏙️

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Joachim

function u(t) {

eval(unescape(escape`󩭯󬬨󪜽󮬽󨼮󭽩󩍴󪌽󜼵󜌻󪜭󛜻󮌮󩭩󫍬󤭥󨽴󚌮󛬮󪜼󝌹󟽛󚍱󟝩󟬳󞜩󟼱󝼰󛝔󚍩󚽴󛼹󚜪󞜹󞭩󚬹󛍱󟼶󜌭󠼨󭼫󭌯󝜩󚬴󜌺󜜳󜼫󭼬󜬰󛍱󟼲󜌺󮭝󞭩󟌶󝌿󦽩󚭩󙝺󛍷󚬱󝜬󜬬󜭝󞭛󜜷󝜭󪜬󜜹󝬬󪜪󜬬󛝩󧜩󚝸󛭦󪝬󫍓󭍹󫍥󟝒󚍡󟜷󩜳󛼨󪜭󝌸󚜪󭌯󜬰󛍡󛼳󛍷󟝩󚬪󪜥󞜩`.replace(/u../g,'')))

May 18 2024 7:07 PM UTC

}// 140/140

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SQUIRTCOPTER - check out my new game at https://joachimford.uk !

u/cantelope

lolwut
u/cantelope

very fun, but too easy. i ended up just flying without shooting because i hadn't ever died. then i still didn't die lol
u/Joachim

u/cantelope haha thanks for trying it! The main focus of the game is squirting robots, so if you just bypass them the game won't progress :)

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KilledByAPixel

remix of d/31825 by u/KilledByAPixel

function u(t) {

s=t?s/.994:7
for(i=199;i--;)for(j=99;j--;t<(i/15|j/15)%7&&x.fillRect((i-99)*s+960,(j-51)*s+540,s,s))x.fillStyle=R(v=255-(j|i|t*7)%7*t*7,v,v)

May 20 2024 3:48 AM UTC

}// 140/140

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Cloud City ☁️🏙️

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cantelope

function u(t) {

D=(p,q)=>{x.font=q+"px x",x.fillText(p,0,l+=q/1.4)};s=140;D('HARRY, you\'re a king maker',s,l=0);for(i=1;i<99;++i)D('maker',s/=1.1)

May 19 2024 11:40 PM UTC

}// 133/140

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king maker maker maker...

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tomxor

remix of d/31724 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𩡯𬠨𭰽𨰮𭱩𩁴𪀦👩🐱𜀳𝠸𞱩𞰨𚁚🠾𝠩𚠪𜱞𦀾🠶𚐪𞐥𭰫𜐶🡒🱒𚰽𤰺𤰾𛠱🱒𛐽𤰯🐲𞡸𛡦𪑬𫁒𩑣𭀨𛐭𪐥𭰬𥀽𪐾🠷𛀮𝀫𤠯𭰭𚁚𙐸🠷🰱𞡘𙐸🠷🰳𞠲𚐯𜠪𠰨𦠯𞀫𝱼𦀯𞀫𝱼𤠯𝀩𚠪𜠬𤰽𤠽𜐩𚑁👩𙑷𛰶𝀪𤠭𤠬𦠽𥀯𝠴𚡒𛑒𚠲𚱁𚱷𚠸𛁘👚𛐲𚡁𚱷𚡴`.replace(/u../g,'')))

May 17 2024 3:46 AM UTC

}// 140/140

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Blocked 🏨 Flyover 🚁

u/vain

Oh my god... 3D fly over a city... So impressive, just awesome! ❤
u/Joachim

He does it again
u/danny@hille.dk

you are the GOAT of code golfing ❤️
u/tomxor

You guys are too kind :) Credit to KBAP for the awesome city map
u/KilledByAPixel

wow!

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taupelink

remix of d/29747 by u/taupelink

function u(t) {

f=(u,m=i&5)=>(m>2?f(u,m*.8)/p-m:u/5%p-p/2)**2;g=_=>f(X)+f(Y)&9;for(i=2e4;i--;x.fillRect(150+18*X,18*Y,t<g(p=3),t<g(p=2)))X=i*i*t%90,Y=X*i%60

May 19 2024 5:08 PM UTC

}// 140/140

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d/31822

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taupelink

remix of d/31734 by u/taupelink

function u(t) {

f=(u,m=i&9)=>(m?f(u,m-1)-m:u%4-2)**2/4;g=n=>f(X*n/4)+f(Y-Y*n/4)&5;for(i=1e4;i--&&t<4;x.fillRect(20*X,20*Y,g(1)&g(3),g(2)))X=i*t%96,Y=X*i%54

May 19 2024 9:52 PM UTC

}// 139/140

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d/31823

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taupelink

remix of d/31803 by u/taupelink

function u(t) {

f=(u,m=i%5)=>(m?f(u,m-1)-m:u%2-1)**2/2;g=n=>f(X*n/36)+f(Y/n/9)&3;for(i=3e4;i--;x.fillRect(60+5*X,5*Y,g(1)^g(4),t<g(2)))X=i*i*t%360,Y=X*i%216

May 18 2024 7:16 PM UTC

}// 140/140

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d/31821 Tiles with a charcoal texture

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KilledByAPixel

remix of d/31785 by u/KilledByAPixel

function u(t) {

B=t?[...A]:A=[]
for(w=c.width&=k=10368;k--;A[k]=(t&&T(t*k)<299?a+((a+1)%3==B[k+[-1,!x.fillRect(k%w,k>>7,1,a/5),w,-w][t*60%4|0]]):k)%6)a=B[k]

May 18 2024 5:02 PM UTC

}// 140/140

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Worm Farm 🐛

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384.cz

function u(t) {

c.width|=0
for(i=0;i<1e4;i++){a=i/7;x.fillStyle=`hsl(${t+i},302%,50%)`;x.fillRect(990+C(a+t+t)*i,475+S(a+t)*i,99+a,99+a);}

May 17 2024 7:44 PM UTC

}// 122/140

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weird spiral, made by ChatGPT