sin_curve.pde

int start;

void setup() {
  size(400, 300);
  colorMode(HSB, 100);
  background(99);
  noStroke();
  start = 0;
}

void draw() {
  int theta;
  int i;
  
  background(99);
  start = start + 2;
  theta = start;
  
  fill(0);
  for (i = 0; i < 40; i = i + 1) {
    ellipse(5 + i * 10, 150 + sin(radians(theta)) * 100, 5, 5);
    theta = theta + 9;
  }
}