Vaccine against coronavirus. This was s… by katkip

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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katkip

function u(t) {

f=(X,Y,s)=>{for(k=50;k--;)x.fillRect(X-s/k/2,Y-k*8,s/k,4*s),x.fillRect(X-15,Y+149+k*C(t),30,99)};c.width|=z=500;f(z+S(t)*z,z,50)

Apr 18 2020 8:59 PM UTC

}// 128/140

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Vaccine against coronavirus. This was supposed to be a default where the rectangles are vaccines but no space left for the for ;( please golf it for me and I give you a cookie.

u/iznax

for(c.width|=z=500,i=10;--i;)for(s=k=50;k--;)for(j=2;j--;)x.fillRect(i*100+z+S(t)*z-(j?s/k/2:15),z+(j?-k*8:149+k*C(t)),j?s/k:30,j?4*s:99)


      u(t) is called 60 times per second.
      t: elapsed time in seconds.
      c: A 1920x1080 canvas.
      x: A 2D context for that canvas.
      S: Math.sin
      C: Math.cos
      T: Math.tan
      R: Generates rgba-strings, ex.: R(255, 255, 255, 0.5)

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