ObjectLib

ObjectLib.java

import java.awt.Rectangle;

class Entity {
  private int x, y, w, h;
  
  public Entity(int x, int y, int w, int h) {
    this.x = x;
    this.y = y;
    this.w = w;
    this.h = h;
  }
  
  public int getX() {
    return x;
  }
  
  public int getY() {
    return y;
  }
  
  public int getWidth() {
    return w;
  }
  
  public int getHeight() {
    return h;
  }
  
  private Rectangle getRectangle() {
    return new Rectangle(x, y, w, h);
  }
  
  public boolean intersects(Rectangle other) {
    return getRectangle().intersects(other);
  }
}

private ArrayList<Entity> objects = new ArrayList<Entity>();
private int ol_w, ol_h;
private PImage ol_image;

void config(int w, int h, PImage image) {
  ol_w = w;
  ol_h = h;
  ol_image = image;
}

void addObject(int w, int h) {
  int x, y;
  
  do {
    x = (int) random(width);
    y = (int) random(height);
  } while (red(ol_image.get(x, y)) == 255 || green(ol_image.get(x, y)) == 255 || blue(ol_image.get(x, y)) == 255);
  
  objects.add(new Entity(x, y, w, h));
}

int update(int p1X, int p1Y, int p2X, int p2Y) {
  for (int i = objects.size() - 1; i >= 0; i--) {
    Entity o = objects.get(i);
    
    if (o.intersects(new Rectangle(p1X - ol_w / 2, p1Y - ol_h / 2, ol_w, ol_h))) {
      objects.remove(i);
      return 1;
    }
    
    else if (o.intersects(new Rectangle(p2X - ol_w / 2, p2Y - ol_h / 2, ol_w, ol_h))) {
      objects.remove(i);
      return 2;
    }
    
    else {
      rect(o.getX(), o.getY(), o.getWidth(), o.getHeight());
    }
  }
  
  return 0;
}