processing/// draw lines from points

void  setup() {
  size(600, 600);
  smooth();
  frameRate(8);
  background(255);
}

void draw() {
  noStroke();
  fill(255, 0, 0);
  ellipse(mouseX, mouseY, 10, 10);
  fill(120);
  ellipse(pmouseX, pmouseY, 10, 10);
  stroke(120);
  line(mouseX, mouseY, pmouseX, pmouseY);
}

void mousePressed(){
  background(255);


}