main_snow.dart

void main() {
  var canvas = querySelector('#stage');
  ctx = canvas.getContext('2d');
  
  // resize canvas
  canvas.width = W;
  canvas.height = H;
  
  // create random flakes
  for(int i = 0; i < maxFlakes; i++){
    flakes.add(
        new Flake(
          rng.nextDouble() * W,
          rng.nextDouble() * H,
          rng.nextDouble() * 3,
          rng.nextDouble() * maxFlakes
        )
    );
  }
    
  // make the magic happen every 30 milliseconds
  new Timer.periodic(thirtyMills, (Timer t) => snowFall());
}