Top dweets by u/joeytwiddle

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

Please log in (or register) to post a dweet (copy-paste the code somewhere safe to save it meanwhile)


    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: #Opposites

show FPS hide FPS share 1 remix fullscreen

joeytwiddle

function u(t) {

for(c.width|=j=9;j--;)for(i=99;i--;)W=50-i/3,x.fillRect(425+j*100+S(t)*300+i*i/250*S((5+j)*i**5-t*3)-W/2,610-!i*210+!!i*i*2,W,i?1:200)

Jan 29 2023 1:44 PM UTC

}// 134/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

#default reflected in rippling #water (day)

show FPS hide FPS share fullscreen

joeytwiddle

function u(t) {

delete window








for(s=i=2e3;i-=8;)x.fillRect(i,2800*t-4e3-i/2-(i*i%s)*2,9,99)

throw 'delete window'

Jun 26 2020 7:58 AM UTC

}// 106/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

u/geb

#quine

show FPS hide FPS share 1 remix fullscreen

joeytwiddle

remix of d/9674 by u/f8f82804

function u(t) {

with(x)for(i=c.width^=0;beginPath(),i--;fill())arc(960+(i*960-i*i)**.5*S(a=t-i),48+i,9*(C(a)*S(i/306))**.3,0,7)

Jun 14 2019 2:15 PM UTC

}// 111/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Just a little remix

u/katkip

#d3
u/joeytwiddle

No perspective, but proper flattening: with(x)for(i=c.width^=0;i--;fill())beginPath(),C(a=t-i)>0&&ellipse(960+(i*960-i*i)**.5*S(a),48+i,15*C(a),15*S(i/306),0,0,7)
u/joeytwiddle

Spirals: with(x)for(i=c.width^=0;i--;fill())beginPath(),C(a=(t|0)*i-C(t))>0&&ellipse(960+(i*960-i*i)**.5*S(a),48+i,15*C(a),15*S(i/306),0,0,7)

show FPS hide FPS share fullscreen

joeytwiddle

remix of d/8155 by u/kcsongor

function u(t) {

c.width+=0
r=9+4*C(t/3)
for(i=m=999;i--;)for(j=4;--j;)x.fillRect(960+C(9*t+9*i/m)*j*160, 540+S(9*t+r*i/m)*j*160, W=9*i/m+j, W)

May 21 2018 6:07 AM UTC

}// 126/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

u/aleamb

cool!
u/prplz

this deserves more awesomes

show FPS hide FPS share 1 remix fullscreen

joeytwiddle

remix of d/3262 by u/lurifax

function u(t) {

c.width|=0;for(i=6e3;i--;)Z=40+21*i%256,Y=99*i%2e7,F=40+99*(1-C(t))-Z,x.globalAlpha=.7/(1+F*F/1740),x.fillRect(9e4/Z,Y/Z,w=(900+F*F/15)/Z,w)

Oct 10 2017 4:15 AM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Experimenting with depth of field

Show more comments…
u/joeytwiddle

I initially tried with falling raindrops but that only confused the effect
u/lurifax

Nice effect!
u/cantelope

this is so great
u/joeytwiddle

Better performance: i=43e Stronger effect: F*F/10
u/joeytwiddle

http://tuxedolabs.blogspot.sg/2018/05/bokeh-…
u/joeytwiddle

https://epicgames.ent.box.com/s/s86j70iamxvs…
u/joeytwiddle

#focus #bokeh #depthoffield

show FPS hide FPS share fullscreen

joeytwiddle

remix of d/3153 by u/joeytwiddle

function u(t) {

c.width|=0;for(i=p=0;i++<252;x.fillRect(370+i*5,70+i/2+o,5,700),p=o)o=(S(i**1.3/180-t*11)+C(i**1.4/600-t*8))*i**.6,x.globalAlpha=.5+(o-p)/9

Sep 8 2017 4:06 PM UTC

}// 139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Plain flag, with shading and double wobble

u/joeytwiddle

Greyscale redux. Full-color version here: https://codegolf.tk/a/168
u/joeytwiddle

Both colours and shading in d/7473 by Balint
u/joeytwiddle

The **s make the #flag flick at the end. #physics?

show FPS hide FPS share 1 remix fullscreen

joeytwiddle

remix of d/3114 by u/joeytwiddle

function u(t) {

for(i=384;i--;x.fillRect(960+r*S(a),540+r*C(a),2,2))s=i>>6,r=i%64,a=1.05*s-3*t+r/64,x.fillStyle=`hsl(${17*s**1.8},75%,55%`

Aug 28 2017 1:58 PM UTC

}// 122/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

dweet player loader mac os x edition

u/magna

Added to rotation!
u/joeytwiddle

Unfortunately this spinner and the Android spinner take a moment to get started. And this one gets holes if t makes big jumps!
u/joeytwiddle

#loading

show FPS hide FPS share 1 remix fullscreen

joeytwiddle

function u(t) {

W=c.width=2e3;for(i=96;i--;)j=i>>2,x.fillRect(j?X=(3*j%8*33*t+i*590)%W:W/2,j?Y=j*90:Z*90,99,50),!t||j==Z&&(X-W/2)**2<W*4?Z=0:onclick=e=>Z++

Apr 23 2017 7:47 AM UTC

}// 139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

You know this game. Click to play.

Show more comments…
u/hscells

this is awesome
u/donbright

omg i made it
u/sigveseb

Really nice!
u/magna

:D
u/MrM@_S

nice job
u/joeytwiddle

Thanks guys 🚗🚙🚓🏎🚂 💥 🐸
u/MrM@_S

I made a quine remix https://www.dwitter.net/d/2596
u/joeytwiddle

An improved version with different levels: https://www.dwitter.net/d/2612

show FPS hide FPS share fullscreen

joeytwiddle

function u(t) {

R=Math.random;X=R()*2e3
x.fillStyle=`hsl(${t?40+20*R()-t/15:211},99%,60%)`
for(Y=550;Y--;)x.fillRect(!!t*X-Y**.7,!!t*530+Y+t,w=t?Y/9:2e3,w)

Mar 3 2022 4:49 AM UTC

}// 139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

The Ukrainian flag can be interpreted as a wheatfield under a blue sky

u/joeytwiddle

-t/15 for the current crisis 😢
u/joeytwiddle

#ukraine #flag

show FPS hide FPS share fullscreen

joeytwiddle

function u(t) {

for(i=c=[3,4,50][q=t%3|x.beginPath()];i--;x.fillStyle='#'+'ee33e'.substr(q,3))x.arc(320+640*q,880-250*q,250-c,a=(1+q+4*i)/c*11/7,a);x.fill()

Jun 16 2019 5:48 AM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

#bauhaus

u/katkip

um ok
u/mbarkinozdemir

Awesome!
u/metamero

<3
u/DataMeta

yes
u/joeytwiddle

Took a while to golf this. Now I see the %3 is not needed!

dwitter.net | joeytwiddle (2443)