Top dweets by u/erin

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

erin

function u(t) {

c.style.filter="blur(5px)brightness(1)contrast(99)"
x.globalAlpha=.1
for(i=0;i<38;i++)
x.fillRect(i*50,460+T(t+i)*150+(i*t<<i)%99,40,40)

Jan 4 2021 11:04 PM UTC

}// 136/140

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

virus v2

show FPS hide FPS share fullscreen

erin

remix of d/23284 by u/erin

function u(t) {

c.style.filter=`blur(2px)contrast(9)invert(`
for(p=710,i=c.width|=f=g=>99*g(i/5*p)+(134+15*C(i))*g(i/8+t);i--;)x.fillRect(p+f(C),p+f(S),9,9)

Jul 3 2021 10:03 PM UTC

}// 140/140

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

golf and invert

show FPS hide FPS share fullscreen

erin

remix of d/2720 by u/FireFly

function u(t) {

c.width|=0,x.font='4in a';for(x.fillText("🚗",Y=A=500,400);Y--;)x.drawImage(c,0,Y,2e3,1,S(Y/20+t*10)*20,Y+t*200%1e3,2e3,100)

May 27 2021 1:00 AM UTC

}// 123/140

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

Car 2.0, instead of using wheels it extrudes a block of car and wiggles

u/tomxor

Shut up and take my money!

show FPS hide FPS share fullscreen

erin

function u(t) {

x.fillRect(960+S(t)*99,540+S(t+1.57)*99,9,9)

Apr 12 2021 3:30 PM UTC

}// 44/140

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

who needed cosine anyway

u/erin

#circlechallenge
u/KilledByAPixel

you can also do +11
u/pavel

Who needs cosine OR sine? [X,Y]=t?[.995*X+Y/10,.995*Y-X/10]:[0,99];x.fillRect(960+X,540+Y,9,9)

show FPS hide FPS share fullscreen

erin

remix of d/13203 by u/somebody

function u(t) {

c.width|=0;for(a=t%1;a<9;a++)x.arc(960,540,a**4,0,7),x.stroke()

Apr 7 2021 2:02 AM UTC

}// 63/140

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

golfing this infinite zoom thing

u/EliteDaMyth

for(c.width|=0,a=t%1;9>a++;)x.arc(960,540,a**4,0,7),x.stroke() 62

show FPS hide FPS share 1 remix fullscreen

erin

remix of d/21688 by u/Xen

function u(t) {

for(c.width=i=1e3;i--;x.arc(480,270,200,i*i*i+t,t))x.lineWidth=.1;x.stroke()

Feb 17 2021 4:37 AM UTC

}// 76/140

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

meeting

show FPS hide FPS share 1 remix fullscreen

erin

function u(t) {

x.fillStyle=`hsl(${t*999},69%,50%)`;x.fillRect(960,540,50,10),x.drawImage(c,S(t*5)*5,C(t/5)*5)

Jan 6 2021 2:15 AM UTC

}// 94/140

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

fixed a mistake that added like 40 characters to the dweet

show FPS hide FPS share fullscreen

erin

remix of d/13906 by u/KilledByAPixel

function u(t) {

f=(s,w,o)=>(m=(S(i*Z+s)*233*t%w)%w,m)
for(c.width|=i=Z=e=999;i--;)x.fillRect(f(1,e,Z),f(2,e,Z),9,9)

May 31 2021 1:47 AM UTC

}// 99/140

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

dot dance

show FPS hide FPS share fullscreen

erin

remix of d/22844 by u/erin

function u(t) {

t*=w=3e3
with(x)for(j=2;j--;beginPath(fill()))for(i=w;i--;arc(t*9%w,t,t?j?60+S(i/14)*30:9:w,a=i/99,a))fillStyle=R(t*w,w,j*w)

May 23 2021 1:42 AM UTC

}// 124/140

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

golf to 124

u/erin

less pretty, but w/e

show FPS hide FPS share 1 remix fullscreen

erin

remix of d/11739 by u/katkip

function u(t) {

c.width=e=1920,x.globalCompositeOperation='xor',x.fillRect(0,540,e,e)
for(i=9;i--;)x.fillRect(400+i*100+S(t)*300,400,50,200)

Mar 30 2021 2:47 PM UTC

}// 124/140

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

golf because why not, implementation is significantly more boring

u/New_Core

for(c.width|=i=9;i--;x.rect(0,540,e=2e3,e))x.rect(400+i*99+S(t)*300,400,50,200) x.fill("evenodd")

dwitter.net | erin (471)