two_points.pde

PVector p1, p2;
PVector v1, v2;
float d = 5.0;
void setup() {
  size(960, 540);
  smooth();
  frameRate(60);
  colorMode(HSB, 360, 100, 100);
  p1 = new PVector(random(width), random(height));
  p2 = new PVector(random(width), random(height));
  v1 = new PVector(5 - random(10), 5-random(10));
  v2 = new PVector(5 - random(10), 5-random(10));
  background(0, 0, 100);
}

void draw() {

  stroke(0, 0, 80);
  line(p1.x, p1.y, p2.x, p2.y);

  fill(220, 80, 100);
  noStroke();
  ellipse(p1.x, p1.y, d, d);
  ellipse(p2.x, p2.y, d, d);
  p1.add(v1);
  p2.add(v2);
  if(p1.x < 0 || p1.x + d/2 > width){
    v1.x *= -1;
  }
  if(p1.y < 0 || p1.y + d/2 > height){
    v1.y *= -1;
  }
  if(p2.x < 0 || p2.x + d/2 > width){
    v2.x *= -1;
  }
  if(p2.y < 0 || p2.y + d/2 > height){
    v2.y *= -1;
  }
  
}