Random dweets | Dwitter

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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joeytwiddle

function u(t) {

f=n=>200*C(Math.PI*t/n)**98
s=(Math.round(t)-t)**2<.0002
x.fillText(s?Math.round(t):'|',t*50,9+f(1)+f(2)+f(3)+f(5)+f(7)+f(11)+f(13)+f(17))

Oct 24 2019 7:08 AM UTC

}// 138/140

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It was supposed to find primes but it doesn't

u/joeytwiddle

because primes divide themselves! (Better in fullscreen)
u/joeytwiddle

Perhaps if we don't add f(N) until prime N is found... also needs a sharper f
u/joeytwiddle

It's an analogue Merseinne seive, using smooth spikes for repetition

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fujimotos

function u(t) {

a=250;b=0.01
for(z=1e3;z--;) {
i=a*C(z+t)+250*C(b*z)
j=a*S(z+t)-250*S(b*z)
x.fillStyle=`hsl(${z*44},90%,70%)`
x.fillRect(i+900,j+540,20,20)}

Mar 7 2018 5:16 PM UTC

}// 140/140

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cantelope

function u(t) {

eval(unescape(escape`𮀮𩱬𫱢𨑬𠑬𬁨𨐽𛠱𒡸𛡦𪑬𫁒𩑣𭀨𜀬𜀬𭰽𜡥𜰬𭰩𒡦𫱲𚁭🐹𞱭𛐭𞰩𠠽𭀿𦰮𛠮𠠮𩡩𫁴𩑲𚁶🐾𭡛𜱝🠰𚐬𦰨𭀪𭰩𚠪𜠮𝰥𭰬𜰹𞐬𜀬𜑝𧐺𦱝𒡂𛡭𨑰𚀨𭠬𪐩🐾𮀮𨱬𩑡𬡒𩑣𭀨𭡛𜁝𚰽𤰨𫠽𭡛𜡝𚰽𠰨𭀪𪐩𛰲𚐪𝐬𭡛𜑝𚰽𠰨𫠩𚠵𛀹𛀹𛁶𦰳𧐭🐮𜀰𝐩𚐻`.replace(/u../g,'')))

Feb 14 2024 1:51 AM UTC

}// 139/140

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u/tomxor

Hah, weird! I like it :D
u/skeletonNatte

woah

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384.cz

function u(t) {

eval(unescape(escape`𭁼𯀨𡀽𙰧𚐊𠐽𤱴𬡩𫡧𛡦𬡯𫑃𪁡𬡃𫱤𩐊𡠽𧰽🡟𛡣𪁡𬡃𫱤𩑁𭀨𚐊𢐽𪑮𫡥𬡗𪑤𭁨𛰨𨰮𭱩𩁴𪀽𞐰𚐊𩡯𬠨𪐽𜀻𡀮𫁥𫡧𭁨🡩𞰩𮀮𫁩𫡥𥁯𚁆𚁄𦱩𚰫𧐩𛐳𜠬𡠨𡁛𪐫𚱝𚐭𜰲𚐊𮀮𬱴𬡯𪱥𚀩𒡯𫡣𫁩𨱫👟🐾𡀫👁𚀳𜠫𧰮𬁡𩱥𦀯𢐩𚱁𚀳𜠫𧰮𬁡𩱥𦐯𢐩`.replace(/u../g,'')))

Sep 30 2023 3:10 PM UTC

}// 138/140

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Polygon editor (Click some polygons on the canvas)

u/384.cz

How to Export: Before making polygons, add ;throw D.replaceAll('\\','[') to end of this dweet, draw, copy the red output of this dweet,remix d/28586 while replacing the variable D with clipboard.
u/384.cz

#tool
u/384.cz

#polygon
u/tomxor

Nice! #app
u/lewdev

Wow, this is amazing!

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robbyg

remix of d/8828 by u/UnacceptableUse

function u(t) {

for(i=12;i--;)with(x)beginPath(),strokeStyle=`hsla(${S(i+t/9)*360},50%,50%,.2`,arc(t*90%2e3-40,i*99+S(t)*99,50,0,7),stroke()

Jul 13 2018 4:02 PM UTC

}// 124/140

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metamero

remix of d/11243 by u/wolfhammer

function u(t) {

for(w=28,h=16,s=72,i=w*h;i--;)p=i%w,q=(i-p)/w,x.fillStyle=R(0,0,q*p),p+q&1?0:x.fillRect(p*s,q*s,s,s)

Dec 2 2018 6:58 PM UTC

}// 100/140

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another double for technique

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New_Core

function u(t) {

c.style.filter='blur(1vw)contrast(9)invert('
for(c.width|=a=i=540;99-i--;x.fillRect(X=960+i*S(i)*Z,Y=a+i*C(i)*Z,Z*30,Z*30))Z=2**T(t/9+i*i)

Jan 15 2021 12:18 AM UTC

}// 138/140

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u/joeytwiddle

#metaballs #starfield
u/New_Core

haha ok X= and Y= is not needed, was leftover from testing something else
u/Qwitter

making snow angels at night
u/tomxor

Somewhere deep in space, a cloud of mysterious undulating blob entities is expanding.

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Xen

remix of d/21378 by u/Pascal

function u(t) {

for(c.width=444,f=i=t|0;i--;)f=1+1/f
for(x.fillText(f,76,i=239),p=129;i--;x.fillRect(p-p*d*C(a=2*Math.PI*f*i),99-p*d*S(a),2,2))d=(i/399)**.5

Jan 23 2021 3:08 PM UTC

}// 140/140

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golfed to fit

u/Pascal

nice
u/danny@hille.dk

Nice
u/Xen

i can golf but not code lol
u/ciaccodavide

Nice!

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rodrigo.siqueira

remix of d/21272 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
x.globalCompositeOperation='xor'
x.fillRect(K=t*240,900.18-S(t)*99.3,1,2)
x.drawImage(c,1,-1)
x.drawImage(c,-K,-K)

Jan 16 2021 12:31 AM UTC

}// 139/140

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Sierpinski paper wave #fractal #sierpinski

u/Qwitter

thats my kind of book
u/Xen

love it!

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PotatoImaginator

remix of d/35976 by u/PotatoImaginator

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁞🐰𞱷𪑴𪀨𮀩𩡯𬠨𪐽𛐨𨐽𜠵𝠩𞱩🁡𞱩𚰫𚑢𩑧𪑮𤁡𭁨𚁦𪑬𫀨𚐩𛁦𪑬𫁓𭁹𫁥👒𚁡𛀱𜠸𚠨𜐫𚀮𝐭𪐯𝐱𜠩𚠪𛠴𚐩𛁡𬡣𚀹𝠰𚰳𚡩𚡓𚁍𨑴𪀮𤁉𛰴𚡓𚁴𚐩𛀸𜀰𛐳𚡩𚡩𛰵𜐲𚱩𛀱𝐰𚠨𜐭𚁩𛱡𚐪𚠶𚐬𜀬𝰩`.replace(/u../g,'')))

Jul 27 2026 4:11 AM UTC

}// 125/140

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#banana - #fruit

u/PotatoImaginator

c.width^=0;with(x)for(i=-(a=256);i<a;i++)beginPath(fill()),fillStyle=R(a,128*(1+(.5-i/512)**.4)),arc(960+3*i*S(Math.PI/4*S(t)),800-3*i*i/512+i,150*(1-(i/a)**6),0,7)