Top dweets by u/davidsharp

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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davidsharp

remix of d/7135 by u/davidsharp

function u(t) {

m=Math,f=48,r=n=>f*m.floor(m.random()*n)
for(i=0;i++<99;x.fillText(r(10)/f,p,q+f))x.font=f+'px a',x.clearRect(p=r(40),q=r(22),f,f)

Mar 2 2018 4:27 PM UTC

}// 130/140

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davidsharp

remix of d/7114 by u/dwardu

function u(t) {

m=Math,r=n=>m.floor(m.random()*n),f=48
for(i=0;i++<99;)with(x)font=f+'px Verdana',clearRect(p=r(40)*f,q=r(22)*f,f,f),fillText(r(10),p,q+f)

Mar 2 2018 3:58 PM UTC

}// 138/140

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davidsharp

function u(t) {

n=c.height=c.width=128
for(k=0;k++<n;)for(y=0;y++<n;)if(y>(40+(S((k+(t*10)%128)/10)*20)))x.fillRect(k,y,1,1)

Feb 14 2018 12:31 AM UTC

}// 111/140

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Drawing pixels as rects is slooooooooow

u/loni_art

i tried writing a rect filler in Win32 a while ago, there's a lot of stuff you have to think about!

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davidsharp

function u(t) {

c.width=1920
x.beginPath()
x.strokeStyle='#f0f'
for(i=l=0;i<19;l=++i*100+S(t)*300,e=i%2)if(l)x.lineTo(e?l:l+25,1080*e+1)
x.stroke()

Jan 16 2018 10:06 PM UTC

}// 131/140

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