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package OO14route66;
import java.util.ArrayList;
import java.util.Observable;
import javax.swing.JFrame;
/**
* OO1route66 initial class
* @author Pieter Koopman
*
* The class model holds all cars in the simulation
*/
public class Model extends Observable
{
private final Car [] cars;
public static final int
// DIRECTIONS = 4, // for a crossing
DIRECTIONS = 2, // for a single road
NUMBEROFCARS = 5 * DIRECTIONS; // total number of cars in system
private final ArrayList<JFrame> views;
/**
* Constructor: create all cars
*/
public Model() {
views = new ArrayList<JFrame>();
cars = new Car [NUMBEROFCARS];
for (int c = 0; c < NUMBEROFCARS; c += 1) {
cars[c] = new Car(c);
}
}
/**
* add the view to this model. It will be repainted upon an update
* @param view
*/
public void addView(JFrame view) {
views.add(view);
}
/**
* get a car from the model
* @param i numbers of required car
* @return the car itself (not a copy)
*/
public Car getCar(int i) {
return cars[i];
}
/**
* repaint all views
*/
public void update() {
for (JFrame view: views) {
view.repaint();
}
}
}
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