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.

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rodrigo.siqueira

remix of d/17459 by u/rodrigo.siqueira

function u(t) {

c.width+=0
v=(a,b,Φ,r)=>{for(i=0;i++<r;)x.fillRect(a-=S(p=Φ/2),b-=C(p),s=r/30,s)
r>9&&v(a,b,Φ+6.28*C(t/2),r*=.8)}
v(940,995,0,299*(2+C(t)))

Feb 3 2020 9:53 PM UTC

}// 139/140

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Recursive function #spiral

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pavel

function u(t) {

for(j=30;j--;x.fillText(0,350*a,500*b))r=Math.random()*3|0,a=t&&a/2+r,b=t&&b/2+r%2

Feb 13 2019 10:58 PM UTC

}// 82/140

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Random #sierpinski via IFS

u/geb

IFS ?
u/pavel

iterated function system

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tomxor

remix of d/25758 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𭀿𭰽𨰮𭱩𩁴𪀦👩🐸𜰲𜀺𠐽𠠽𥐽𥠽𪰽𜰲𞱩𛐭𞱔🐲𚡃𚀶𚡍𨑴𪀮𨑴𨑮𜠨𦀭🐶𝀬𦐭👫𚐭𭰪𠰨𭀯𜠩𚐫𦀪𦀯𭰫𦐪𦐯𭰾𝐩𮀮𩡩𫁬𤡥𨱴𚁘👩𙑷𛁙👩𛱷𛀱𛁔𯁒🀰𚐬𨐽𦀭𠐬𨠽𦐭𠠬𤠽𨐪𨐫𨠪𨠭𪰬𥀦𤠼𜀦𙠨𥐭👡𛁖𛐽𨠩𞱁𚰽𥐯𪰬𠠫👖𛱫𛁖𚰽𝰭𥠯𝐻`.replace(/u../g,'')))

Jun 28 2022 9:27 PM UTC

}// 140/140

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Spherical #Laundry #Physics

Show more comments…
u/tomxor

#centrifugal #centripetal #washingmachine
u/Joachim

Awesome
u/vain

Very cool! Amazing work
u/aleamb

wow! amazing!
u/TGY

that would've been amazing website loader XD
u/Odog8

I see stuff like this and wonder why more physics engines don't use raycasting for collision...
u/magna

HOWWWW

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cantelope

remix of d/2948 by u/cantelope

function u(t) {

eval(unescape(escape`景爨琪㴲ⱸ孨㴧晩汬剥捴❝⠰ⰰⱩ㵣⹷楤瑨簽〬椩Ⱨ㵩⼲㭩ⴭ㭸⹦楬汓瑹汥㵠桳氨⑻椭琪杽ⰹ㤥ⰷ㔥怬硛桝⡧⭬⩓⡴⤪术娬㔴〫䌨瀩⩩⽚⩧ⱳ㴲攸⽚⽚ⱳ⤩氽匨瀽椪㈮ㄫ琪⡪㵩㰱攳㼭㈺ㄩ⤪椬娽未㐮㔭氪䌨琩⩪`.replace(/u(..)/g,"$1%")))

Dec 5 2018 6:06 PM UTC

}// 140/140

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u/magna

So pretty!

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pythech

remix of d/8306 by u/pythech

function u(t) {

c.width|=0
with(x)for(i=2;i--;font="15em 🤔",fillText(i?['🌏','🌍','🌎'][(t%3)|0]:'🌞',(i?3*C(t*i)*300:0)+800,S(t*i)*300+640));
frame

Jun 3 2018 4:20 PM UTC

}// 128/140

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DataMeta

remix of d/8349 by u/DataMeta

function u(t) {

p=Math.PI;j=(t*960);z=Math.random;m=z();r=z();x.fillStyle=R(T(t*p)*960-360,138*m+128*m,128*m+112*m);x.fillRect(j%1920,j%1080,144*r,144*r)

Jun 3 2018 4:53 AM UTC

}// 137/140

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A few tweaks thanks to sukkamehu's golfing tip

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katkip

function u(t) {

c.width^=0;for(i=192;i--;)for(j=9;j--;)x.fillRect(i*10,540-(S(t*2+i*3.12)*C(t+i+j/9)*j/4)*100,10,10)

Feb 4 2019 6:49 PM UTC

}// 100/140

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384.cz

remix of d/29488 by u/384.cz

function u(t) {

a=b=2
for(c.width|=i=9;i--;)x.lineTo(a*b*99+S(C(b=S(S(C(T(a=S(t+C(T(i))))-t)))))*2*300,400+a*400),x.fillStyle=R(a*255,b*255,0,.4),x.fill()

Mar 4 2024 12:44 PM UTC

}// 138/140

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A Piece

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LimeLaser

function u(t) {

with(x){globalAlpha=.007
fillStyle="#fff"
fillRect(0,0,2e3,2e3)
fillStyle=R()
r=Math.random
for(i=187;i--;)fillRect(1820*r(),980*r(),99,99)}

Nov 27 2019 10:45 PM UTC

}// 140/140

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Fragile, Morphing Fabric (or Paint To Cover Graffiti)

u/Xen

very cool idea
u/Xen

(not graffiti part, thats art)
u/LimeLaser

Sorry, I meant that as a description. My friend said it reminded him of those single-color rectangles of paint they cover graffiti with. I don't know the name for them.

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BalintCsala

function u(t) {

for(X=99;X--+200;)for(Y=99;Y--+99;)((f=(n,x,y)=>n&&x<2&&y<2&&f(n-1,x*x-y*y+U,2*x*y+V))(99,U=X/99,V=Y/99)===0&&x.fillRect(X+200,Y+99,1,1))

Mar 24 2018 10:13 PM UTC

}// 137/140

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Mandelbrot set

u/iverjo

#mandelbrot #fractal