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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tomxor

remix of d/21327 by u/indjev99

function u(t) {

for(f=_=>S((d=Math.hypot(X-74,Y-32))-t*9)/d*1e3,c.width&=i=8320;i--;x.fillStyle=R(Z=f()+f(X+=20),128-Z,192-Z))x.fillRect(X=i&127,Y=i>>7,1,1)

Jan 20 2021 10:34 PM UTC

}// 140/140

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Fake #FDTD simulation #InterferencePattern

Show more comments…
u/danny@hille.dk

Hypno owl :-)
u/tomxor

OMG I can hear it now
u/Qwitter

Awesome: Hypno wHoo? Im going to have to put some Math.hypot in me dweets
u/tomxor

You mean Math.hypnot()? :P
u/Qwitter

possibly 'Math.EffectCause()' , but who does this owl hoo like, an infamous toad ?
u/danny@hille.dk

WebGl version: http://glslsandbox.com/e#70769.0

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Qwitter

remix of d/21307 by u/Qwitter

function u(t) {

eval(unescape(escape`𭴽𨴮𭵩𩅴𪄽𜴲𞵦𫵲𚅩🔵𝴶𞵩𛔭𞵸𛥦𪕬𫅒𩕣𭄨𦄬𦔬𜔬𜔩𚔨𦄽𪔥𭴬𦔽𚅩𛕘𚔯𭴬𤔽𭄥𭴬𤄽𜔲𚤨𜔭𤴨𤔯𞔩𚔬𣔽𚅙𚤮𝤫𝤪𤴨𦄯𞄫𭄩𚔬𣔪🔨𚅍🤹𚕞𜄩𛅺🔨𦄭𤔩𚤪𜤫𚅙𛕐𚔪𚤲𛅕🔲𝔵𛵺𚤪𛤲𝔬𥔪🔨𚅍🄹𚕞𜄩𛅸𛥦𪕬𫅓𭅹𫅥🕒𚅕𛄳𚥍𚵕𛅍𚔩`.replace(/u../g,'')))

Jan 22 2021 3:13 PM UTC

}// 138/140

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Less Sketchy Days

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Pascal

remix of d/21360 by u/danny@hille.dk

function u(t) {

c.width=48;for(i=1296;i--;x.fillRect(X,Y,1,1))X=i%48,Y=(i-X)/48,x.fillStyle=R(0,o=255*(S(X/10+Y/15)*S(X/20+t+S(2*t+Y/5))),127+o)

Jan 21 2021 10:08 PM UTC

}// 129/140

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smurf lava lamp

u/danny@hille.dk

That looks amaizing!!!
u/danny@hille.dk

WebGl version -> http://glslsandbox.com/e#70768.0

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Pascal

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼👰👦👳👡🐱𞱦𫱲𚁩👡👍𨑴𪀮𩡬𫱯𬠨𭀩𞱩𛐭𞰩𩠽𜐫𜐯𩠬𬰽𜠫𜐯𬰻𩡯𬠨𪐽𜐻𪐼𨐪𜰰𜀻𪐫🐴𚑰𚰽𝀯𚁩𚐬𬀭🐴𛰨𪐫𜠩𞱷𪑴𪀨𮀩𩡯𫡴🐢𜐹𭡷𙰢𛁦𪑬𫁔𩑸𭀨𚁳𛐱𚐬𪰽𝐰𜀬𝀸𜀩𛁦𪑬𫁔𩑸𭀨𩠬𪰬𝠰𜀩𛁦𪑬𫁔𩑸𭀨𚁰𛐱𚐬𪰬𝰲𜀩`.replace(/u../g,'')))

Jan 22 2021 9:40 PM UTC

}// 137/140

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calculating √2, φ and π

u/Qwitter

I had almost thought you found a way to save...but I these days, even in foreign sands, you can do just about as many steps as you allow the computer to do in 1/60
u/Xen

nice!

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Qwitter

remix of d/21381 by u/danny@hille.dk

function u(t) {

w=c.width=64;c.style.filter="contrast(30)";for(i=2304;i--;x.fillRect(X=i%w,Y=i/w,1,S((X-32)**2+(Y-100)-12*t*C(Y)+.1*C(t)*(X-32)**2)));

Jan 22 2021 9:31 PM UTC

}// 135/140

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Lots of room to play! thanks Danny!

u/danny@hille.dk

:-)

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Xen

remix of d/1194 by u/gormisdomai

function u(t) {

for(c.width|=i=200;i--;x.fillRect(0,350+T(t+i)*900,2e3,20))x.fillStyle=`hsl(${i+t*99},50%,50%)`,x.fillRect(950+T(t+i)*900,0,20,2e3)

Jan 20 2021 4:53 PM UTC

}// 131/140

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"Dislocation #5"

u/danny@hille.dk

sweet!
u/Qwitter

for(Q=c.width|=i=200;i--;Q=C(t)*T(t+i)*900,x.fillRect(0,350+Q,2e3,20))x.fillStyle=hsl(${i+t*99},50%,50%),x.fillRect(950+Q,0,20,2e3)
u/Qwitter

love the colors

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danny@hille.dk

remix of d/21379 by u/danny@hille.dk

function u(t) {

w=c.width=59;for(i=2e3;i--;x.fillRect(X=i%w,Y=i/w,1,S((X*X/9)+(Y*Y/9)-t)));

Jan 22 2021 8:49 PM UTC

}// 76/140

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Qwitter

remix of d/21360 by u/danny@hille.dk

function u(t) {

eval(unescape(escape`𭴽𨴮𭵩𩅴𪄽𝄸𞵦𫵲𚅩🔱𜔵𜤻𪔭𛔻𮄮𩥩𫅬𤥥𨵴𚅘𛅙𛄱𛄱𚔩𚅘🕩𙕷𛅙🔨𪔭𦄩𛵷𛅦🔱𛵍𨕴𪄮𪅹𬅯𭄨𦄭𜤴𚤨𜔫𠴨𜴪𭄩𚔬𦔭𜔲𚤨𜔭𤴨𭄪𜔲𚔩𚔬𭄥𜔼𛤰𞄿𨤽𭴪𤴨𞔯𩤭𭄩𞥢🔰𛅸𛥦𪕬𫅓𭅹𫅥🕒𚅲🕷𚥓𚅘𚥙𚤲𛕴𚤨𦄫𦔩𛴳𚔬𛤲𚥢𚵦𚤸𚥷𛅢𚔩`.replace(/u../g,'')))

Jan 22 2021 3:46 AM UTC

}// 139/140

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Signals

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rodrigo.siqueira

remix of d/21251 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=g=>i*g(i*i)*g(i/t)**.3;i--;x.fillRect(960+f(C),700-f(S),9/t,9/t))x.fillStyle=`hsl(${t*i/9},99%,${S(i*i+t)*99}%,.1`

Jan 20 2021 3:26 PM UTC

}// 126/140

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Volcano sky

u/danny@hille.dk

I dig it!
u/magna

OMG
u/magna

I could hang this in my living room

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danny@hille.dk

remix of d/21330 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=g=>i*g(i*i+t)*g(i**i**.3)**.3;i--;x.fillRect(960+f(C),700-f(S),5/t,99/t))x.fillStyle=`hsl(${t*i-S(t)*99},99%,${S(i*i+t)*99}%,.1`

Jan 21 2021 9:28 PM UTC

}// 140/140

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