can load agents and and the wolf agent

src/backend/Simulator.java

@@ -1,4 +1,5 @@
 package backend;
+import java.awt.Color;
 import java.io.BufferedReader;
 import java.io.FileReader;
 import java.util.ArrayList;
@@ -224,12 +225,14 @@ public class Simulator extends Thread {
 	 * method called when clicking on a cell in the interface
 	 */
 	public void clickCell(int x, int y) {
-		if (clickActionFlag==0) {
+		if (clickActionFlag==0) { // cell
 			world.setCell(x, y, getCell(x, y) == 1 ? 0 : 1);
-		} else if (clickActionFlag==1) {
+		} else if (clickActionFlag==1) { // sheep
-			
+			Sheep sheep = new Sheep(x,y);
-		} else if (clickActionFlag==2) {
+			agents.add(sheep);
-			
+		} else if (clickActionFlag==2) { // wolf
+			Wolf wolf = new Wolf(x,y);
+			agents.add(wolf);
 		}
 
 	}

src/backend/Wolf.java

@@ -0,0 +1,55 @@
+package backend;
+
+import java.awt.Color;
+import java.util.ArrayList;
+import java.util.Random;
+
+public class Wolf extends Agent {
+
+	int hunger;
+	Random rand;
+
+	Wolf(int x,int y){
+		//first we call the constructor of the superClass(Animal)
+		//with the values we want.
+		// here we decide that a Sheep is initially white using this constructor
+		super(x,y,Color.orange);
+		// we give our sheep a hunger value of zero at birth
+		hunger = 0;
+		//we initialize the random number generator we will use to move randomly
+		rand = new Random();
+	}
+
+	/**
+	 * action of the animal
+	 * it can interact with the cells or with other animals
+	 * as you wish
+	 */
+	public boolean liveTurn(ArrayList<Agent> neighbors, World world) {
+		if(world.getCell(x, y)==1) {
+			world.setCell(x, y, 0);
+		} else {
+			hunger++;
+		}
+		this.moveRandom();
+		return hunger>10;
+	}
+
+	private void moveRandom() {
+		int direction = rand.nextInt(4);
+		if(direction == 0) {
+			x+=1;
+		}
+		if(direction == 1) {
+			y+=1;
+		}
+		if(direction == 2) {
+			x-=1;
+		}
+		if(direction == 3) {
+			y-=1;
+		}
+	}
+
+
+}