Top dweets by u/rnbw

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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rnbw

function u(t) {

for(j=0;j++<4;)for(i=-2;i++<9;){x.fillStyle=`hsl(${(h=i*(s=270)+t*240%s)/7+t*29},90%,75%)`;x.fillRect(h*(j%2*2-1)+((j+1)%2)*2e3,j*s-s,4,s)}

Nov 13 2019 3:45 PM UTC

}// 139/140

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rainbow gradient scrolling squares - this wasn't what i intended but it's good anyway!!

u/Xen

nice!

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rnbw

function u(t) {

with(x){t||(globalCompositeOperation=`xor`)
fillRect(0,0,50,50)
drawImage(c,-8,-3)
drawImage(c,-3,15)
drawImage(c,15,3)
drawImage(c,3,-8)}

May 16 2019 5:53 PM UTC

}// 138/140

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finding solace in the restless

u/katkip

#noise

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rnbw

function u(t) {

c.width^=0;x.fillStyle='#d35';for(i=0;i<20;i++)for(j=0;j<22;j++)x.fillRect(i*99,j*50,Math.floor(S(t+j*3.14+S(j*S(t)/3+i*C(t)/3))*5.2)*20,50)

Nov 1 2018 4:35 PM UTC

}// 140/140

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i really wish i had done something yesterday so that i could caption it 'dwick or dweet' but oh well

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rnbw

remix of d/17581 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`blur(8vh)sepia()invert(`
for(c.width=k=99;k--;x.arc(50,28,k**3/99/k,a=k*(11+S(t+k/9)/99),a));x.stroke()

Feb 12 2020 3:53 PM UTC

}// 119/140

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never knew about style.filter... all this time and i still don't have much of a grasp :p

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rnbw

function u(t) {

for(c.width+=i=0;++i<3e3;x.fillStyle=`#5`+i/10)x.fillRect(940+i*S(t*2+i/99*S(t/3+i/400))/i*300,540+i*C(t*2+i/99*S(t/3-i/400))/i*300,7,7)

Jan 27 2020 3:44 PM UTC

}// 136/140

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implicit boundaries

u/rnbw

i just realized that i could have cut down on this a little, there are a few unnecessary operations (like i/i spread across functions a few times)

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rnbw

function u(t) {

r=Math.random;with(x){for(i=0;i++<99;fillRect(r()*2e3,0,9,2e3))fillStyle=`#456`;font=`8em a`;fillStyle=`#fff`;fillText(u,-t*199,540)}

May 14 2019 3:21 PM UTC

}// 133/140

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residual #quine

u/rnbw

and yes, it isn't strict, but... y'know, it works
u/KilledByAPixel

you can use the code variable instead of u to fix it!

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rnbw

function u(t) {

r=Math.random;e=120;with(x)for(i=-1;i++<2;t||fillRect(i*e,0,e,e)){fillStyle=R(r()*255,r()*255,r()*255);drawImage(c,e*3,0);drawImage(c,-e,e)}

May 8 2019 3:01 PM UTC

}// 140/140

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tile stripes with 3 random colors - refresh for a new palette!

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rnbw

remix of d/13826 by u/rnbw

function u(t) {

r=Math.random;with(x){for(i=0;i++<99;fillRect(r()*2e3,0,9,2e3))fillStyle=`#744`;font=`8em a`;fillStyle=`#fff`;fillText(code,-t*199+999,540)}

May 14 2019 4:36 PM UTC

}// 140/140

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a better version of the #quine i posted earlier - thanks to @KilledByAPixel for the advice on making it strict! (+ a new background color to make it distinguishable)

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rnbw

function u(t) {

c.width^=0;x.fillStyle="#4ad";for(i=-14;i++<14;)for(j=-14;j++<14;)x.fillRect(960+(i*S(t)*98)+(j*C(t)*98),540+(i*C(t)*98)+(j*S(-t)*98),99,99)

Dec 18 2018 5:52 PM UTC

}// 140/140

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a twinkling array

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