Top dweets by u/mxfh

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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mxfh

remix of d/22437 by u/mxfh

function u(t) {

d=x.getImageData(o=-1,0,w=c.width=256,h=128)
for(i=b=64;i>-b;i--)for(j=h;j>-h;j--)d.data[o+=4]=((i*j)%~(T(t)*h))**8
x.putImageData(d,0,0)

Apr 11 2021 1:33 AM UTC

}// 137/140

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u/EliteDaMyth

for(d=x.getImageData(o=-1,0,w=c.width=256,h=128),i=b=64;i-->-b;)for(j=h;j>-h;j--)d.data[o+=4]=(i*j%~(T(t)*h))**8 x.putImageData(d,0,0) 134
u/EliteDaMyth

in the above comment the space after **8 is a newline

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mxfh

remix of d/22388 by u/mxfh

function u(t) {

d=x.getImageData(f=S(t),o=3,w=c.width=512,h=256);for(i=b=128;i>-b;i--)for(j=-h;j<h;j++)d.data[o+=4]=((i*j)**4+f*b)%3*h;x.putImageData(d,0,0)

Apr 7 2021 2:39 PM UTC

}// 140/140

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u/magna

u/mxfh nice to see you back!

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mxfh

remix of d/676 by u/mxfh

function u(t) {

d=x.getImageData(0,o=3,w=c.width=512,h=256);for(i=b=128;i>-b;i--)for(j=-h;j<h;j++,o+=4)d.data[o]=(i*j+~(t*b))**4%7*h;x.putImageData(d,0,0)

Apr 7 2021 1:45 PM UTC

}// 138/140

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golfed and centered x/y loops inspired by https://twitter.com/aemkei/status/1379190275…

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mxfh

remix of d/2114 by u/mxfh

function u(t) {

x.setTransform(f=1080/22,0,0,f,f*13,f*11);x.rotate(~t%4*Math.PI/2);x.fillStyle='#004C97';x.fillRect(-3,-3,6,f)

Mar 14 2017 3:09 AM UTC

}// 110/140

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http://www.norden.org/en/fakta-om-norden-1/t…

u/sigveseb

nice flags!
u/iverjo

#flag

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mxfh

remix of d/1443 by u/sigveseb

function u(t) {

for(x.setTransform(f=68,d=0,0,f,8*f,8*f);r=d<4,d<8;x.rotate(Math.PI/2*d++),x.fillRect(l=r?-1:2,l,r?2:f,f))x.fillStyle=r?'#003087':'#C8102E'

Mar 14 2017 2:16 AM UTC

}// 139/140

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made some space for proper ratios and colors.

u/iverjo

#flag

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mxfh

function u(t) {

i=~~t%4
x.setTransform(a=32,d=i&2?18:0,d?0:57,a,960,540)
x.fillStyle=(b=i&1)?"#C12":"#007"
x.fillRect([6,0,5,-3][i],d?b?0:3.3:5.5,b?i+3:a,a)

Mar 20 2017 5:18 AM UTC

}// 140/140

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Quarter Union Jack in 16:9 ratio

u/mxfh

two more: "9380"[i]-3
u/mxfh

#flag

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