Piano Tiles! Click the canvas then type… by zanella

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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zanella

function u(t) {

c.width|=0;!t&&(A=[0,1,3,2]);A.forEach((m,i)=>x.fillRect(m*99,(3-i)*270,99,270));window.onkeyup=e=>e.key==A[0]&&(A=A.slice(1),A.push(t*t&3))

Jan 23 2018 2:01 PM UTC

}// 140/140

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Piano Tiles! Click the canvas then type 0, 1, 2 or 3 to play

Show more comments…
u/donbright

lol i cant figure it out... are there instructions on the goal?
u/donbright

lol i cant figure it out... are there instructions on the goal?
u/zanella

donbright: Hah! In the original game, https://play.google.com/store/apps/details?i… , you have to tap the black tiles as fast as you can, and you can't tap the white area. In this dweet, I replaced it with keyboard strokes: you have to hit 0, 1, 2 or 3 depending on the position of the bottommost black tile (0 for the first column, 1 for the second, and so forth). Unfortunately I couldn't add any game logic or score to it.
u/donbright

omg thank you this is great. actually reminds me of DONKEY.BAS by Bill Gates
u/zanella

I've never heard of donkey.bas - and I've been using computers since the good ol' Apple ][ !! Shit, now I'll have to implement donkey.bas on dwitter! :D
u/Xen

love it!


      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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