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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Xen

remix of d/8111 by u/loernz

function u(t) {

for(i=2e3;i--;x.fillStyle=`hsla(${i*C(t*2)+h},90%,50%,.02)`)x.fillRect(960+(h=S(i+t)*i/2),i-i/3-C(5*t+i/2e3+h*h/1e9)*h*i/4e3,s=169/i**.1,s)

May 16 2018 10:47 PM UTC

}// 139/140

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slight tweak

u/joeytwiddle

#rainbow

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donbright

remix of d/14804 by u/taupelink

function u(t) {

c.width=400
for(i=N=t>>33<<32;i>0;i--)
for(k=90;k--;){U=200+k*S(t+i)
V=99+k*C(t+i)
N%i?0:k>80?(x.fillText(i,U,V),k=80):x.fillRect(U,V,2,2)}

Jun 28 2019 11:57 PM UTC

}// 139/140

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prime o'clock in the morning

u/donbright

thanks to @taupelink for inspiration
u/taupelink

yay!
u/joeytwiddle

Fascinating! #primes #math U=200+k*S(a=i/1.91),V=99-k*C(a)

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WasifBoomz

function u(t) {

x.strokeStyle=R(t,t*10,t*25)
x.strokeRect(t*7,t*7,t*7,t*7)

Oct 24 2019 2:10 PM UTC

}// 58/140

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smtsjhr

remix of d/19958 by u/smtsjhr

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪁼👪🐱𝠻𪠭𛐻𚑻𮀮𫑯𭡥𥁯𚁵🐵𜀰𚠨𥀨𭀯𝰫𪠩𛐮𝐩𛁶👵𛰲𚰲𜀰𚡃𚁪𚱴𚐩𞱦𫱲𚁩🐵𞱩𛐭𞱸𛡬𪑮𩑔𫰨𭐫𚁷🐭𝐰𚱵𛰵𚐪𠰨𨐽𛠳𚱓𚀵𚡴𚰱𜀪𤰨𪠩𚐯𜐮𝐩𚡓𚀱𛠵𚡩𚐬𭠫𭰪𚁃𚀱𛠵𚡩𚐯𝐰𚱩𙐲𚡓𚁡𚐩𚐩𮱸𛡦𪑬𫀨𚑽𯐻`.replace(/u../g,'')))

Sep 15 2020 3:07 AM UTC

}// 134/140

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short looped variant of d/19958

Show more comments…
u/danny@hille.dk

for(c.width|=j=16;j--;){x.moveTo(u=500*(T(t/7+j)-.5),v=u/2+200*C(j+t));for(i=5;i--;x.lineTo(u+(w=-50+u/5)*C(a=.3+S(5*t+10*S(j))/1.5)*S(1.5*i),v+w*(C(1.5*i)/50+i%2*S(a)))){x.fill()}};
u/danny@hille.dk

Woops didn't mean to sumitt that :-)
u/danny@hille.dk

143b and still looks ok... ->for(c.width|=j=9;j--;)for(i=4,x.moveTo(u=500*(T(t/4+j)),v=u/i+9*C(t));i--;x.lineTo(u+j+v*C(a=S(5*t+S(j)))*S(1.4*i),v+v*(a/9+i%2*S(a))))x.fill()
u/danny@hille.dk

I can't shave of the last 3 bytes without messing it up :-(
u/danny@hille.dk

139b version ->for(c.width|=j=9;j--;)for(i=4,x.moveTo(u=555*(T(t/4+j)),v=u/i+9*C(t));i--;x.lineTo(u+j+v*C(a=S(5*t+S(j)))*S(1.4*i),v+v*(i%2*S(a))))x.fill()
u/smtsjhr

wow well done! very fair trade off removing that 'a/9' addition since its small: |a/9|<0.1
u/danny@hille.dk

Thanks, Im not going tell how long it took me to figure that out though :-)

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tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𭀿𪐽𜠺𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛁷🐲𝀰𛁣𛡷𪑤𭁨👷𛁸𛡦𪑬𫁓𭁹𫁥🐧𘰶𝀲𨰧𚐻𪐭𛐻𮀮𩡩𫁬𚁮𩑷𘁐𨑴𪀲𡀨𨁭𜐲𜀠𝠸𪀭𞑶𛠵𨐵𘀳𘀰𘀰𜐵𘀳𭠱𜱡𜰲𘀳𜠠𜀠𜀱𛐱𜠭𝠰𭠭𛠵𨐳𞀠𜰷𘀰𘀰𜀱𜠠𝰰𭠸𫀴𘀲𝁠𚐩𚑸𛡴𬡡𫡳𩡯𬡭𚁩𚠲𛐱𛀰𛀰𛀱𛁩𚡷𛀰𚐻`.replace(/u../g,'')))

May 16 2023 9:09 PM UTC

}// 139/140

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#Quake I

u/deobfuscate

He did it.... u/magna
u/magna

YES!
u/danny@hille.dk

U ROX DUDE!

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ellisk1

function u(t) {

x.fillRect(0,0,q=c.width=2e3,q);for(i=q;i--;){r=100+(i/1e2)**4/t;z=6*S(i)+t*i/r;x.fillStyle="#fff";x.fillRect(1e3+C(z)*r,500+S(z)*r,5,5)}

Jan 1 2018 1:04 AM UTC

}// 137/140

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u/lionleaf

Awesome! A rotating black hole?
u/ellisk1

Yep! A black hole was the inspiration!!
u/donbright

awesome, closest thing to blackhole ive seen on here
u/rcdr18

What a great idea! :)

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donbright

remix of d/479 by u/lionleaf

function u(t) {

c.width=256;for(i=128;i--;)for(j=128;j--;){r=i*i-j*j;g=2*i*j;b=i*i+j*j;x.fillStyle=R(Math.abs(t*r)%256,0,0);x.fillRect(64+i,8+j,1,1)}

Feb 22 2017 4:06 AM UTC

}// 133/140

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Circles and Squares style pseudo fractal inspired by "red quadrance" from Wildberger's chromogeometry (x*x-y*y)

u/chrishaff

moire ole

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username

remix of d/11353 by u/username

function u(t) {

eval(unescape(escape`睩瑨⡸⥩昨琥㈼⸱⥻堽孝㭙㵛崬挮睩摴栭㵑㵗㴰㭦潲⡩㴱㜻椭ⴻ塛楝㵺⠩⨱㤱ㄩ奛楝㵺⠩⨹㤹㭦潲⡰⁩渠堩儫㵘孰崬圫㵙孰崬晩汬剥捴⡘孰崬奛灝ⰹⰹ⤻浯癥呯⠰ⰰ⤻汩湥呯⡑⼵ⱗ⼵⤻獴牯步⠩絺㵍慴栮牡湤潭`.replace(/u(..)/g,"$1%")))

Dec 8 2018 11:52 PM UTC

}// 140/140

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linear regression

u/katkip

Nice! Now the variation is finnaly visible

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timothytomato

function u(t) {

r=Math.random;for(i=480;--i;)for(j=270;--j;){x.fillStyle=R(S(j)*256,T(t*20)*256*r(),S(i)*256*r());x.fillRect(3*i*S(t)+960,3*j*C(t)+520,1,1)}

Jan 16 2024 12:29 AM UTC

}// 140/140

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SCREENS

u/tomxor

Wow, this is making my GPU make strange noises... without a speaker.

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hotdogninja76

function u(t) {

t?c.width+=0:(a=[],v=[])
for(i=0;i<9;i++){x.fillRect(400+i*100+S(t)*300,a[i],50,200)
t<7?(a[i]=400,v[i]=0):a[i]+=v[i]+=Math.random()*.5}

Jan 13 2020 1:38 PM UTC

}// 136/140

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Defallt

u/Xen

#waitforit
u/lionleaf

#default nice one
u/sigveseb

hehehe
u/katkip

Nice!