rainbow spinning bars, first dweet bear… by sybarita

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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sybarita

function u(t) {

c.width=3333
c.height=3333
for(i=0;i<46;i++,x.fillStyle=R(i*6,200*C(3*t),255-(5*i)))x.fillRect(1500,920+20*i*S(2*t),i*25*C(2*t),8*C(t))

Dec 24 2019 4:04 AM UTC

}// 135/140

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rainbow spinning bars, first dweet bear with me!

u/Xen

onlyneed to set width, extra tasty byte ;-)
u/sybarita

thanks ya i realized that after i did these ones super big accidentally, since i had already set it super wide the bottom half of the canvas was empty so i just changed the height val instead of scaling all the other values cause im lazy. used your guide to get started playing with these btw, thanks for that!
u/Xen

omg really? glad it helped :-)


      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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