Chapter 10: Example 10-6: Simple Raindrop Behavior

// Learning Processing
// Daniel Shiffman
// http://www.learningprocessing.com

// Example 10-6: Simple raindrop behavior

// Variables for drop location
float x,y; 

void setup() {
  size(400,400);
  background(0);
  x = width/2;
  y = 0;
  smooth();
}

void draw() {
  background(255);
  // Display the drop
  fill(50,100,150);
  noStroke();
  ellipse(x,y,16,16);
  // Move the drop
  y++ ;
}