Dweets awesomed by u/18sp01

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

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    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.

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18sp01

remix of d/3812 by u/18sp01

function u(t) {

c.width=1920;
x.fillStyle=R(255,5,240,0.5);
  for(i=0;i<10;i++){
  x.fillRect(i*120+T(t)*400, 500, 20, 200);}

Dec 27 2017 2:30 AM UTC

}// 109/140

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18sp01

function u(t) {

c.width=1920;
  for(i=0;i<10;i++){
  x.fillRect(i*120+T(t)*400, 500, 20, 200);
x.fillStyle=R(255,5,240,0.5)}

Dec 27 2017 2:08 AM UTC

}// 108/140

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How do I make the first bar pink as well?

u/sigveseb

You need to make sure you set fillStyle before you call fillRect. The canvas context is stateful like that, it remembers the active fillStyle and uses it for all subsequent fill calls until it is set to something else. The default fillStyle after reseting a canvas is black, which is why the first bar is black here :)
u/18sp01

@sigveseb Thank you!

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18sp01

remix of d/3760 by u/sadropol

function u(t) {

c.width|=0;for(i=1;i<140;i++){b=2*t+i;o=200-(S(b+5)*100)%256;x.fillStyle=R(1,o,0,1);x.fillRect(940+((i/80)%1)*S(b)*200,400+i*6%500,9,8);}

Dec 27 2017 1:57 AM UTC

}// 138/140

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sadropol

remix of d/3748 by u/sadropol

function u(t) {

c.width|=0;for(i=1;i<140;i++){b=2*t+i;o=200-(S(b+5)*126)%256;x.fillStyle=R(0,o,0,1);x.fillRect(940+((i/60)%1)*S(b)*200,400+i*6%400,8,8);}

Dec 27 2017 12:01 AM UTC

}// 138/140

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Show more comments…
u/sigveseb

merry christmas!
u/joe724

Beautiful!
u/Chipnstein

just got plastuer and made a nice redish background to apply this on my desktop, awesome!
u/vrishankm13

new here, but this is already my all time favorite, so beautiful
u/lionleaf

Awesome! Merry Christmas :D Some good ones last year as well, if you manage to find them ^^
u/hollo47

#tree #christmas
u/vain

beautiful xmas tree

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sadropol

function u(t) {

c.width|=0;for(i=1;i<140;i++){b=2*t+i;o=(S(b+5)*226)%256;x.fillStyle=R(o,o,o,1);x.fillRect(940+S(b)*200,6*i+(1.3*i)*399%400,8,8);}

Dec 26 2017 11:40 PM UTC

}// 130/140

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u/sigveseb

nice helix!
u/vain

very nice

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Citiral

function u(t) {

w=1920;for(c.width=i=w;i>=0;i-=10)for(j=0;j<1080;j+=10){i2=i-w/2;j2=j-1080/2
d=Math.sqrt(i2*i2+j2*j2)/60
o=9+C(d-t*5)*5
x.fillRect(i,j,o,o)}

Dec 26 2017 8:51 PM UTC

}// 140/140

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Show more comments…
u/Xen

nice style...
u/Xen

done you a remix #3711
u/sigveseb

very nice steuff
u/sigveseb

stuff*
u/QuincySx

nice
u/netwander

fz_free@tom.com
u/Mew_

sweet
u/rhys5584

all glory to the hypno toad
u/IcanDivideBy0

Math.hypot(i2,j2)
u/SIGILLIM

This is oddly relaxing
u/donbright

remix https://www.dwitter.net/d/5200
u/f8f82804

#halftone
u/Fox

huh, this could make a pretty good desktop background
u/vain

looks really great

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nystrand

function u(t) {

for(c.width|=j=0;j<40;j++)for(i=0;i<45;i++)r=j*30+C(t+j&t)*S(i+t)*(j%2&i|t),x.lineTo(C(w=t+i/7)*r+1e3,S(w)*r+r);x.fill('evenodd')

Dec 26 2017 11:24 AM UTC

}// 129/140

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u/sigveseb

very nice!
u/Xen

love it, i had to remix! #3695

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