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

smtsjhr

function u(t) {

c.width=1920
for(n=0;n<50;n++) 
for(u=0;u<90;u++){x.fillStyle=R(0,0,255,.1)
x.fillRect(30*u-200,1000*S(5*u*n-.15*t)+100,100,100)}

Sep 15 2019 6:38 AM UTC

}// 133/140

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

Caustic Shimmer

u/smtsjhr

dip your toes in at least!
u/taupelink

Nice!
u/joeytwiddle

#water

show FPS hide FPS share fullscreen

@no_identd

remix of d/15720 by u/@no_identd

function u(t) {

c.style.background=R();x.fillStyle=R(...[S,C,T].map(_=>256.^(_(t)%t)));a=2.2142975*frame;r=8*frame**.5;x.fillRect(r*C(a)+960,r*S(a)+540,8,8)

Sep 16 2019 7:49 AM UTC

}// 140/140

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

Throwback #3

u/@no_identd

Huh! This one seems to exhibit some weird optical illusion at the edge while rendering?

show FPS hide FPS share fullscreen

rodrigo.siqueira

remix of d/15667 by u/nystrand

function u(t) {

for(r=945,i=1080;i--;x.fillRect(a+r,b+r-9,20,20))a=t*i*i*r%2e3-r,b=i-r,g=i+S(t)*a/5,x.fillStyle=R(A=C(g/a)*C(t*3-b/g)*i,A+a/8,A+b,.3)

Sep 12 2019 5:13 PM UTC

}// 134/140

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

Flight landing

Show more comments…
u/magna

*while on drugs
u/0x04

Wow, trippy 😵
u/KilledByAPixel

👍
u/tomxor

woOp woOp woOp pull up, pull up
u/katkip

Awesome
u/Joachim

That's a very long runway!

show FPS hide FPS share fullscreen

jlidbeck

remix of d/15711 by u/jlidbeck

function u(t) {

c.width=400
x.translate(199,99)
for(j=1e3;j>>=1;)for(i=j;i--;)a=C(t+i),u=a*S(j),v=a*C(j),w=S(t+i),x.fillRect(99*(C(t)*u+S(t)*w),99*v,2,2)

Sep 14 2019 4:28 AM UTC

}// 137/140

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 1 remix fullscreen

@no_identd

remix of d/15718 by u/@no_identd

function u(t) {

c.style.background=R();x.fillStyle=R(...[S,C,T].map(_=>256.^(_(t)%t)));a=2.3999631*frame;r=8*frame**.5;x.fillRect(r*C(a)+960,r*S(a)+540,8,8)

Sep 16 2019 7:46 AM UTC

}// 140/140

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

Throwback #1

show FPS hide FPS share 1 remix fullscreen

jlidbeck

function u(t) {

s=200
c.width=s*4
x.translate(s+s,s)
for(j=49;--j;)for(i=49;--i;)u=C(t+i)*S(j),v=C(t+i)*C(j),w=S(t+i),x.fillRect(s*(C(t)*u+S(t)*w),s*v,1,1)

Sep 13 2019 11:59 PM UTC

}// 139/140

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

jlidbeck

function u(t) {

with(Math)for(i=c.width|=0;i-=20;)for(j=1e3;j-=20;)m=i-499,n=j-499,u=5*atan2(m,n),v=log(m*m+n*n)*3,z=9+9*C(u-t)*S(v-t*7),x.fillRect(i,j,z,z)

Sep 12 2019 3:03 AM UTC

}// 140/140

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

u/13thptr

original

show FPS hide FPS share 1 remix fullscreen

@no_identd

remix of d/15717 by u/@no_identd

function u(t) {

c.style.background=R();x.fillStyle=R(...[S,C,T].map(_=>256.^(_(t)%t)));a=0.8537972*frame;r=8*frame**.5;x.fillRect(r*C(a)+960,r*S(a)+540,8,8)

Sep 16 2019 6:03 AM UTC

}// 140/140

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

Well that AIN'T what I had planned, but I guess it kinda, sorta works? 🤔

show FPS hide FPS share 1 remix fullscreen

@no_identd

remix of d/15716 by u/@no_identd

function u(t) {

c.style.background=R();x.fillStyle=R(...[S,C,T].map(_=>255/(_(t)%t)));a=0.8537972*frame;r=8*frame**.5;x.fillRect(r*C(a)+960,r*S(a)+540,8,8)

Sep 16 2019 5:35 AM UTC

}// 139/140

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

🤔 I wonder if I can make the modulo pattern visibility prettier 🤔

show FPS hide FPS share fullscreen

Blacklink

function u(t) {

c.width=b=1920
for(var a=0;a<b;a++){m=C(.01*a)*90+99
v=S(t+S(t)*.01*a)*S(t)*300+540
x.fillRect(a,0,1,v-m)
x.fillRect(a,v+m,1,1080-v+m)}

Sep 12 2019 10:06 AM UTC

}// 135/140

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

Just a weird test thing

u/0x04

Maybe weird, but cool 😎