Dweets awesomed by u/magna

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

fervour

function u(t) {

for(i=10;--i;){x.fillStyle="#"+((i*128)+~~(t*8));x.fillRect(0, (i-1)*128+S(t*8)*60, 32, 128);}x.drawImage(c, 10, 0)

Mar 27 2018 11:46 AM UTC

}// 115/140

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

u/loni_art

wow!

show FPS hide FPS share fullscreen

fervour

function u(t) {

t*=16;for(i=10;i--;)for(j=10;j--;){x.fillStyle="#"+i*89;x.setTransform(8,0,0,6,940,540);x.rotate(t*i*0.1+j*0.2);x.fillRect(i*10,j*10,20,20)}

Mar 27 2018 8:28 AM UTC

}// 140/140

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

magna

remix of d/7457 by u/magna

function u(t) {

c.width=960
for(j=60;j--;)for(i=240;i--;x.fillRect(i*4,j*9,4,9))x.fillStyle=`hsl(${120*i},99%,${S(i+t*j)*50}%)`

Mar 27 2018 1:09 AM UTC

}// 111/140

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

u/joeytwiddle

Reminds me of putting my head right up to the CRT screen
u/magna

#crt
u/magna

#rgb

show FPS hide FPS share fullscreen

magna

function u(t) {

t||(c.width=w=100)
x.putImageData(new ImageData(new Uint8ClampedArray(a=c.toDataURL().split``.map(k=>k.charCodeAt``),a.length=4e4),w,w),0,0)

Mar 27 2018 12:31 AM UTC

}// 140/140

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

TV noise without PRNG

u/magna

#noise

show FPS hide FPS share fullscreen

Agnes

function u(t) {

with(x)for(w=c.width|=i=o=0;i<500;r=2*w/i,rotate(S(o=o+S(t/r))),fillStyle='#'+i*10,translate(i?o:w/2,i++?0:540),fillRect(m=-r/2,m,r,r));

Mar 26 2018 5:12 PM UTC

}// 136/140

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

u/magna

Pretty!

show FPS hide FPS share 2 remixes fullscreen

jylikangas

function u(t) {

A=r=>x.fill(x.arc(960+R*C(t),540+R*S(t),r,0,7))
f%2&&(t+=3)
x.beginPath(A(R=180))
x.fillStyle='#'+(f++%2?999:111)
A(45)}{f=0

Mar 26 2018 5:01 AM UTC

}// 124/140

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

Animated Yin Yang

u/jylikangas

t+=f%2*3 to save 3 more bytes
u/jylikangas

R=180+f%2*3 to add an outline
u/joeytwiddle

#yinyang

show FPS hide FPS share 1 remix fullscreen

DirtyDan

function u(t) {

for(c.width+=i=0;i++<99;x.globalCompositeOperation='xor')x.beginPath(x.fill()),x.arc(960+i*T(a=3*S(t)),540+3*C(T(i/120+(a<0?t:-t))),i*5,0,7)

Mar 25 2018 6:22 PM UTC

}// 140/140

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

If you want to remix, for extra space delete "a=" and replace "(a<0?t:-t)" with t. That stuff just reverses the direction of the ripple depending on what side it's on.

u/magna

Awesome!
u/DirtyDan

check out d/6724
u/DirtyDan

* d/6812

show FPS hide FPS share fullscreen

BirdsTweetCodersDweet

remix of d/7410 by u/fujimotos

function u(t) {

for(c.width=i=120;i--;)
z=Math.min(-t+i/4,0),-1,
x.setTransform(a=C(z),b=-S(z),-b,a,80+8*i+-25*t,i/10),
x.fillRect(15,4,-5,-10)

Mar 25 2018 5:13 PM UTC

}// 127/140

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

Stairway to heaven.... And back?! I don't even know anymore :D

u/BalintCsala

I'm pretty sure you can remove the leftover ,-1 from the max

show FPS hide FPS share fullscreen

yonatan

remix of d/7461 by u/Agnes

function u(t) {

c.width|=0
a=Math.abs
for(i=99,s=400;i--&&s>10;s/=a(C(t))+a(S(t)))x.setTransform(A=S(t*i),B=C(t*i),-B,A,960,540),x.strokeRect(-s,-s,s*2,s*2)

Mar 25 2018 5:08 PM UTC

}// 140/140

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

https://askalice.me/twojs-paradox-fractal/

show FPS hide FPS share 1 remix fullscreen

Agnes

function u(t) {

with(x)for(w=c.width=1920,i=100,translate(w/2,540);i--;r=w/i,rotate(T(t/30)),strokeRect(m=-r/2,m,r,r));

Mar 25 2018 4:46 PM UTC

}// 103/140

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

(Looks way better in full screen.)

u/joeytwiddle

#tunnel #spiral #mercury #timeless #doctor_strange

dwitter.net | magna (131916)