WOW needs refactoring lol

lines.pde

/*
test for things that draw outward
generate 4 random points, and draw lines from center to those points
with each frame drawing another pixel so that it looks animated
*/

int w = 200;
int h = 200;
int cx = w/2;
int cy = h/2;
Point center = new Point(cx,cy);
Point p1, p2, p3, p4;
ArrayList<Point> line1;
ArrayList<Point> line2;
ArrayList<Point> line3;
ArrayList<Point> line4;
int c1, c2, c3, c4;
color c;

void setup() {
  size(w,h);
  background(0);
  frameRate(120);
  pickPts();
  c = color(255);
}
void pickPts() {
  c1 = c2 = c3 = c4 = 0;
  Point p1 = new Point((int)(Math.random()*(width)),(int)(Math.random()*(height)));
  Point p2 = new Point((int)(Math.random()*(width)),(int)(Math.random()*(height)));
  Point p3 = new Point((int)(Math.random()*(width)),(int)(Math.random()*(height)));
  Point p4 = new Point((int)(Math.random()*(width)),(int)(Math.random()*(height)));
  line1 = makeLine(center, p1);
  line2 = makeLine(center, p2);
  line3 = makeLine(center, p3);
  line4 = makeLine(center, p4);
}

void draw() {
  if (c1 < line1.size() && c2 < line2.size() && c3 < line3.size() && c4 < line4.size()) {
    loadPixels();
    if (c1 < line1.size()) {
      Point p = line1.get(c1);
      pixels[p.ycor*width+p.xcor] = c;
      c1++;
    }
    if (c2 < line2.size()) {
      Point p = line2.get(c2);
      pixels[p.ycor*width+p.xcor] = c;
      c2++;
    }
    if (c3 < line3.size()) {
      Point p = line3.get(c3);
      pixels[p.ycor*width+p.xcor] = c;
      c3++;
    }
    if (c4 < line4.size()) {
      Point p = line4.get(c4);
      pixels[p.ycor*width+p.xcor] = c;
      c4++;
    }
    updatePixels();
  } else {
    c = getColor(c1);
    pickPts();
  }
}