Java port from Kahrzdn Javascript version of a snow globe shaking and snowing.

Kahrzdn_snowGlobe.pde

//https://twitter.com/Kahrzdn/status/1224791864940908546
float c=0, d, y, W=720;
void setup() {
  size(720, 720);
}
void draw() {
  fill(0);
  if (c++%W<40) d=c*W%57;
  else d = 0;
  circle(W/2, W/2+d, W);
  float b=630+d;
  rect(120, b, 480, W);
  noStroke();
  for (float i=0; i<W; i++) {
    y=min(b-4, c%W*i/W+noise(c/W+i/10)*W*2-W/2)+d;
    float x=99*i%W+sin(y/20)*i/50;
    fill(i/2, 230);
    if (dist(x, y, W/2, W/2) < W/2)
      circle(x, y, i/50);
  }
}