Start w14

1 files changed, 88 insertions, 0 deletions

diff --git a/Week14 Route 66/src/OO14route66/Controller.java b/Week14 Route 66/src/OO14route66/Controller.java
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+++ b/Week14 Route 66/src/OO14route66/Controller.java
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+package OO14route66;
+
+import java.util.Random;
+
+/**
+ * OO1route66 initial class
+ * @author Pieter Koopman
+ *
+ * The initial controller runs as a single thread
+ */
+public class Controller
+{
+    private int delay = 200;                // average sleep time
+    private final Model model;              // the model
+    private final Random random;            // a random generator
+    private boolean run = true;             // car can run in simulation
+
+    /**
+     * The constructor of the controller
+     * @param model holds the cars
+     */
+    public Controller(Model model) {
+        this.model  = model;
+        random      = new Random();
+    }
+
+    /**
+     * the run method from Thread
+     * forever:
+     *      move all cars
+     *      sleep some time
+     */
+    public void run() {
+        while (true) {
+            stepAllCars();
+            pause();
+        }
+    }
+    
+    /**
+     * wait some pseudo random time
+     */
+    private void pause() {
+        try { // sleep can throw an exception 
+            Thread.sleep(delay / 2 + random.nextInt(delay));
+        }
+        catch (InterruptedException e) { // catch the exception thrown by sleep
+            System.out.println("An exception in Controller: " + e);
+        }
+    }
+    
+    /**
+     * make one step with all cars and repaint views.
+     */
+    public void stepAllCars() {
+        if (run) {
+            for (int c = 0; c < Model.NUMBEROFCARS; c += 1) {
+                model.getCar(c).step();
+            }
+        }
+        model.update(); // update only after all cars have stepped
+    }
+    /**
+     * stop all cars by setting boolean run to false
+     */
+    public void stopCars() {
+        run = false;
+    }
+
+    /**
+     * start all cars by setting boolean run to true
+     */
+    public void resumeCars() {
+        run = true;
+    }
+    
+    public int getDelay() {
+        return delay;
+    }
+    
+    /**
+     * set delay between maximum and minimum bounds
+     * @param d 
+     */
+    public void setDelay(int d) {
+        delay = Math.max(50, Math.min (2000, d));
+    }
+}