Avgvri Rvdi - happy birthday demo card

avgvri-rvdi.js

c = document.createElement('canvas');
c.width=innerWidth;c.height=innerHeight;
document.body.appendChild(c);
d = c.getContext('2d');
d.font='64px\x20Times\x20New\x20Roman';
d.shadowColor='white'
d.shadowBlur=8;
p = []
setInterval(function() {
    p.push([ Math.random()*innerWidth, Math.random()*innerHeight, 
        Math.random() > .5 ? -1:1, -5,
        Math.random() > 0.5 ? '\x41\x56\x47\x56\x52\x49' : '\x52\x56\x44\x49']);
  }, 250);
setInterval(function() {
    for(i in p) {
      p[i][0] += 0.25 * p[i][2];
      p[i][1] += p[i][3];
      p[i][3] = p[i][3] + 0.0625;
      d.fillText(p[i][4], p[i][0],p[i][1]);
    }
  }, 1/60);