AaronPlatformer.pde

//setup the game camera and player
Camera cam;
Player player;
float gravity;

ArrayList ground;
Controller controller;

void setup() {
  size (500, 500);
  background(255);

  rectMode (CENTER);

  player = new Player( new PVector(0, 0), new PVector(10, 25));
  player.player.dim = new PVector(10, 25);

  cam = new Camera();

  controller = new Controller(player);

  gravity = .1;//positive gravity, pulls down in code.

  ground = new ArrayList();
  ground.add(new Platform(new PVector(0, 50), new PVector(200, 10) ));
  ground.add(new Platform(new PVector(100, 100), new PVector(50, 10) ));//<--------added this, caused problems.

  player.player.beginComponents();
  for (int i = 0; i < ground.size(); i++) {
    Platform g = (Platform) ground.get(i);
    g.platform.beginComponents();
  }
}

void draw() {
  background(255);
  updateEarly();
  cam.followPlayer();
  update();
  updateLate();
}

void updateEarly() {
  player.updateEarly();

  for (int i = 0; i < ground.size(); i++) {
    Platform g = (Platform) ground.get(i);
    g.updateEarly();
  }
}

void update() {
  controller.update();
  player.update();

  for (int i = 0; i < ground.size(); i++) {
    Platform g = (Platform) ground.get(i);
    g.update();
  }
  
}

void updateLate() {
  player.updateLate();

  for (int i = 0; i < ground.size(); i++) {
    Platform g = (Platform) ground.get(i);
    g.updateLate();
  }
}