Dwitter - javascript demos in 140 characters

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: #Food

show FPS hide FPS share fullscreen

DaSpider

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀽𞐹𒡰🐱𝠊𪠽𜐊𨰮𬱴𮑬𩐮𩡩𫁴𩑲🐧𨡬𭑲𚀱𝑰𮀩𨱯𫡴𬡡𬱴𚀳𚑩𫡶𩑲𭀨𙰊𮀮𩡩𫁬𤱴𮑬𩐽𤠨𜀬𜐳𜀬𜠵𝐩𒡦𫱲𚁩🐲𞱩🠰𞱩𛐽𛠳𛰨𬀫𭀩𚑸𛡦𪑬𫁒𩑣𭀨𬀪𚀳𚰨𪠽𛑪𚐪𪐩𛁰𚠨𜠫𚁩𚠪𛠰𜐪𚁃𚁩𚐪𚠮𝐪𠰨𜠰𜀪𪐫𭀩𛑩𚠪𛠳𚐩𚐬𝀬𝀩`.replace(/u../g,'')))

Feb 14 2021 8:51 PM UTC

}// 137/140

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

#Valentines #Heart

u/neimad

So cool in so many ways.
u/ciaccodavide

Clever!
u/magna

Lovely!
u/sigveseb

very nice!
u/aleamb

amazing!

show FPS hide FPS share 1 remix fullscreen

rodrigo.siqueira

remix of d/21681 by u/rodrigo.siqueira

function u(t) {

for(i=3e3;i--;x.fillStyle=`hsl(${99*t+i/59},99%,${30+99*S(i+t)}%,25%)`)x.fillRect(960+570*C(i)*C(K=i/4)*S(t),500*C(i)*S(i+t)+540,2,2)

Feb 16 2021 3:26 PM UTC

}// 133/140

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

Changing colors #butterfly

show FPS hide FPS share 2 remixes fullscreen

Pascal

remix of d/21696 by u/Pascal

function u(t) {

for(c.width=1e3,i=1e3;i--;x.arc(500,281,700,i*152**.5-t/4,i))x.lineWidth=.3;x.stroke();c.style.filter=`contrast(1.7)invert(`

Feb 17 2021 10:31 AM UTC

}// 124/140

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

show FPS hide FPS share fullscreen

Qwitter

remix of d/21657 by u/rodrigo.siqueira

function u(t) {

for(Q=c.width=i=2e3;i--;)x.fillStyle=R(C(3*t)*Q,S(3*t/i)*Q,i%Q),x.fillRect(99*(10+5*C(i-t)+C(i*i)),99*(4*S(i-t)+S(i*i)+5),f=60*C(i*5+9*t),f)

Feb 16 2021 11:07 PM UTC

}// 140/140

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

Homer's Odyssey of the Mind

show FPS hide FPS share fullscreen

Xen

remix of d/8535 by u/pythech

function u(t) {

with(x)for(i=99;i--;fill())arc(960-1e3*S(i-t*2),540+540*C(i+t*3),i,!beginPath(fillStyle=`hsla(${i*t},70%,50%,.01)`),t)

Feb 16 2021 9:54 PM UTC

}// 118/140

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

Psychedelic Tartan Remix

show FPS hide FPS share fullscreen

Xen

remix of d/21702 by u/schabanackk

function u(t) {

with(x)for(c.width=1e3,i=44;i--||stroke();)arc(499,270,260,q=i*t/7|0,q-t*9)

Feb 18 2021 9:09 PM UTC

}// 75/140

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

quick play

u/Xen

just found z=219+(t%1.5) with(x)for(c.width=1e3,i=44;i--||stroke();)arc(499,270,260,q=i*z/7|0,q-z*9)

show FPS hide FPS share fullscreen

Pascal

remix of d/21645 by u/Pascal

function u(t) {

c.width|=0,w=960
for(i=700;i--;x.fillRect(w+w*X/Z,w-Y/Z*w,s=(8/Z)**5,s))
X=3*C(U=i+t)+C(V=t+i/(1+t/w*.7)),Y=S(i)+C(V)*T(V)-2,Z=S(U)-5

Feb 13 2021 4:57 PM UTC

}// 133/140

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

become donut

u/erin

become donut reject society
u/joeytwiddle

don't live your life in sphere, become #donut

show FPS hide FPS share 1 remix fullscreen

schabanackk

function u(t) {

with(x)for(fillRect(0,0,c.width=1e3,2e3),strokeStyle="turquoise",i=137;i--||stroke();)arc(499,270,570,q=Math.ceil(i*t/3)-1,q+t%(t*2))

Feb 18 2021 11:30 AM UTC

}// 134/140

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

tunnel

show FPS hide FPS share 1 remix fullscreen

rodrigo.siqueira

remix of d/21670 by u/rodrigo.siqueira

function u(t) {

for(i=3e3;i--;x.fillStyle=`hsl(${99*t+i/99},99%,${30+S(i+t)*99}%,35%)`)x.fillRect(145*(t+5*C(i/2)*C(K=i/4+t)),90*(5*C(i+t)*T(K)*C(K)+6),2,2)

Feb 15 2021 5:17 PM UTC

}// 140/140

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

Soft colors overlap

show FPS hide FPS share fullscreen

Odog8

remix of d/21661 by u/Odog8

function u(t) {

t?x.fillRect(y%16+1,~~(y/16)+1,1,'ﰀꯀúʰΠ,฀೬㠀ೋೋ㌀ᄛᕛᕛ啬䑬㠀ʰຠꯀϪﰀ?'.charCodeAt(y/8).toString(4).split``.reverse()[y++%8]/3):(c.width=40,y=0)

Feb 15 2021 12:33 AM UTC

}// 140/140

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

Boo Ghost! 4 colors!

u/tomxor

#pixelart #sprite
u/rodrigo.siqueira

~~(y/16)+1 can be changed to y/16 with almost no difference
u/Xen

slight golf t?x.fillRect(y%16,y/16,1,'ﰀꯀúʰΠ,฀೬㠀ೋೋ㌀ᄛᕛᕛ啬䑬㠀ʰຠꯀϪﰀ?'.charCodeAt(y/8).toString(4).split.reverse()[y++%8]/3):y=c.width=28