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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Current theme challenge: #Food

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magna

remix of d/2592 by u/magna

function u(t) {

c.width|=0;for(i=3;i--;x.drawImage(stats.dom.children[i],0,0,T=80,40,i%2*960,(i>>1)*540,960,540))x.fillRect(S(t+i)*T+1440,C(t-i)*T+810,9,9)

Apr 26 2017 5:17 PM UTC

}// 139/140

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Split-screen (non-retina version)

u/magna

Retina version: https://www.dwitter.net/d/2599
u/magna

Oops. Retina version: https://www.dwitter.net/d/2592
u/Purpzie

wait WOAH how the heck

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gabornyeki

remix of d/33364 by u/gabornyeki

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍩󟜱󞌻󪜭󛜻󬭥󬽴󫽲󩜨󚜩󬌽󠼨󭌫󪜩󛼱󞜬󭼽󜜲󜌫󪜪󜜹󞌫󪜪󚬮󞜪󬌬󬜽󜜲󜌪󠼨󤼨󭌯󜬩󛼲󚽩󛼵󚜬󬽡󭭥󚍦󪝬󫍓󭍹󫍥󟝒󚍹󟜱󜼰󚽱󛍹󛌲󝜰󛝱󚜩󛍴󬭡󫭳󫍡󭍥󚌶󝌰󛌱󜌸󜌫󭼯󝬩󛍲󫽴󨝴󩜨󜜮󜬵󚬪󚌭󪜭󜜩󚭰󚬶󚜬󩭩󫍬󤭥󨽴󚍶󟜭󭼯󜬬󭬬󭼬󭼩`.replace(/u../g,'')))

Feb 18 2025 7:38 AM UTC

}// 138/140

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Floating squares

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Xen

remix of d/3424 by u/magna

function u(t) {

x.rotate(S(t/9)*1e-4);x.translate(C(t)*1e-4,C(t/3));for(i=2e3;i--;x.fillStyle=R(T=S(i%t)*99,T/2,T*2),x.fillRect(i,0,1,1));x.drawImage(c,t,0)

Oct 31 2017 8:50 PM UTC

}// 140/140

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tried to time the spin :-P

u/Xen

about 17 seconds on this computer.

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nonce

remix of d/894 by u/iverjo

function u(t) {

for(i=c.width=99;i--;){for(j=55;j--;){for(k=32,a=b=0;--k&&a*a+b*b<4;a=_)_=a*a-b*b+(i-27)/t**3-7/4,b=2*a*b+(j-27)/t**3;x.fillRect(i,j,1,!k)}}

Apr 2 2017 3:40 AM UTC

}// 140/140

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This is a zoom into the mini-mandelbrot at -1.75 + 0i

Show more comments…
u/donbright

super cool, amazing.
u/Renaud___

Nice
u/jick

Holy cow, this is great.
u/ObjectDisoriented

Did you just do a low res mandlebrot in 140 characters? Way more awesomes needed.
u/sigveseb

Nice! Here's mine from a while back: https://www.dwitter.net/d/1735
u/iverjo

#mandelbrot #fractal
u/katkip

no way

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tillsc

function u(t) {

x.fillStyle=R(t%4*63);if(t%.5<.1)for(i=0;i<400;i++)x.fillRect(S(i)*100+960,C(i)*100+540,4,4);x.drawImage(c,-17,-10,1954+S(t)*2,1100+C(t)*2)

Jan 16 2018 8:55 PM UTC

}// 139/140

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New_Core

function u(t) {

x.fillRect(0,0,2e3,2e3)
for(w=i=99;i--;x.clearRect(X=960-((30*S(i*w)+w*S(t/6)+w)%30-15)*Z,540-9*C(i*9)*Z,Z/9,Z/9))Z=w/((i+w*S(t/20)+w)%9)

Nov 15 2018 1:03 PM UTC

}// 137/140

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Starfield that change direction.

u/cantelope

@New_core, cool idea. made another one like it d/10991
u/iverjo

#starfield

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danny@hille.dk

remix of d/20554 by u/Xen

function u(t) {

for(i=44;i--;x.fillStyle=`hsl(${t*9+i*9},99%,50%,.1`)x.beginPath(x.fill(x.arc(C(t*S(i)+t*9)*44+140*i%2e3,(C(i)*99+t*499%1337),22,0,7)))

Nov 10 2020 7:54 PM UTC

}// 135/140

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quick play

u/donbright

lovely

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firegodjr

remix of d/9767 by u/firegodjr

function u(t) {

x.font='3em x'
for(m=j=32;j--;)for(i=63;i--;)x.fillText('◢◣◤◥'[Math.random()*4|0],i*m,j*m),x.fillStyle=`hsl(${S(t)*i*m+j*C(t)*m},99%,50%`

Sep 11 2018 6:10 PM UTC

}// 137/140

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Triangle Lines

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Xen

remix of d/17901 by u/smtsjhr

function u(t) {

for(n=i=d=51;i<n*n;x.fillRect(d*j,d*k,37*S(s=.5*(j*k+n*n)+73*S(t/7)+t),d*C(s)),x.fillStyle=`hsl(${s*t},73%,37%,.1)`)k=i%n+1,j=(++i-k)/n

Mar 11 2020 6:20 PM UTC

}// 135/140

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_-[7]-_

u/Xen

Had to Play
u/smtsjhr

wonderful : )

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smtsjhr

function u(t) {

c.width=1920
s=Math.PI*C(.02*t%Math.PI)
x.lineWidth=55
for(i=0;i<1250;i+=50){
x.beginPath()
x.arc(960,540,i,Math.PI+i*s,i*s)
x.stroke()}

Sep 6 2019 5:41 PM UTC

}// 137/140

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Harmonic Spin

u/smtsjhr

takes about 2.5 minutes for the motion to loop (assuming 60 fps). Don't stare too long!