GameObject.java

import javafx.scene.canvas.GraphicsContext;
import javafx.geometry.Bounds;
import javafx.scene.shape.Rectangle;


public abstract class GameObject {

    protected double x;
    protected double y;
    protected double width;
    protected double height;

    public GameObject(double x, double y, double width, double height) {
        this.x = x;
        this.y = y;
        this.width = width;
        this.height = height;
    }

    public abstract void update();

    public abstract void render(GraphicsContext gc);

    public abstract boolean isDead();

    public double getX() {
        return x;
    }

    public double getY() {
        return y;
    }

    public Bounds getBounds() {
        return new Rectangle(x - getWidth() / 2, y - getHeight() / 2, getWidth(), getHeight()).getBoundsInLocal();
    }

    public abstract double getWidth();

    public abstract double getHeight();
}