almost finish project, still have comments to add to clarify

src/backend/Agent.java

@@ -14,15 +14,19 @@ public abstract class Agent {
 		this.color = color;
 	}
 
+	
 	public Color getDisplayColor() {
 		return color;
 	}
+
 	public int getX() {
 		return x;
 	}
+
 	public int getY() {
 		return y;
 	}
+
 	public boolean isInArea(int x, int y, int radius) {
 		int diffX = this.x-x;
 		int diffY = this.y-y;
@@ -30,11 +34,23 @@ public abstract class Agent {
 		return dist<radius;
 	}
 	
+	@Override
+	public String toString() {
+		return String.format("%d, %d, %s, %s", x, y, color.getRGB());
+	}
+
+	public String getType() {
+        return "agent";
+    }
+
+	
 	// Does whatever the agent does during a step
 	// then returns a boolean
 	// if false, agent dies at end of turn
 	// see step function in Simulator
 	public abstract boolean liveTurn(ArrayList<Agent> neighbors, Simulator world);
 	
+	public abstract String type();
+	
 	
 }

src/backend/CellField.java

@@ -0,0 +1,41 @@
+package backend;
+import java.util.Random;
+//The CellField class represents a grid of cells, used to simulate environments 
+//Each cell in the grid can hold an integer value, used to represent different states 
+public class CellField {
+    private int[][] grid;
+
+    public CellField(int width, int height) {
+        grid = new int[width][height];
+    }
+
+    public void setCell(int x, int y, int val) {
+        if (x >= 0 && x < grid.length && y >= 0 && y < grid[0].length) {
+            grid[x][y] = val;
+        } else {
+            System.out.println("Invalid coordinates: (" + x + ", " + y + ")");
+        }
+    }
+
+    public void generateRandom(float chanceOfLife) {
+        Random random = new Random();
+        for (int x = 0; x < grid.length; x++) {
+            for (int y = 0; y < grid[0].length; y++) {
+                if (random.nextFloat() < chanceOfLife) {
+                    setCell(x, y, 1);
+                } else {
+                    setCell(x, y, 0);
+                }
+            }
+        }
+    }
+    
+    public int getCell(int x, int y) {
+    	return grid[x][y];
+    }
+    
+    public int[][] getGrid() {
+    	return grid;
+    }
+
+}

src/backend/Sheep.java

@@ -1,19 +1,16 @@
 package backend;
 
 import java.awt.Color;
+import java.nio.file.AtomicMoveNotSupportedException;
 import java.util.ArrayList;
 import java.util.Random;
 
-// example of basic animal.
-// do not hesitate to make it more complex
-// and DO add at least another species that interact with it
-// for example wolves that eat Sheep
 public class Sheep extends Agent {
 	
 	int hunger;
 	Random rand;
 	
-	Sheep(int x,int y){
+	public Sheep(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
@@ -30,30 +27,46 @@ public class Sheep extends Agent {
 	 * as you wish
 	 */
 	public boolean liveTurn(ArrayList<Agent> neighbors, Simulator world) {
+		// Check if the current cell has food
 		if(world.getCell(x, y)==1) {
-			world.setCell(x, y, 0);
+			world.setCell(x, y, 0);// Consume the food by setting the cell value to 0
+			hunger --;//decrease hunger
 		} else {
 			hunger++;
 		}
-		this.moveRandom();
+		this.moveRandom(neighbors);
-		return hunger>10;
+		return hunger>10;// Return true if hunger is greater than 10, indicating the sheep is starving
+
 	}
 
-	private void moveRandom() {
+    private void moveRandom(ArrayList<Agent> neighbors) {		
 	    int direction = rand.nextInt(4);
-		if(direction == 0) {
+		if(direction == 0 && isAvailable(x+1 , y, neighbors)) {
 			x+=1;
 		}
-		if(direction == 1) {
+		if(direction == 1 && isAvailable(x , y+1, neighbors)) {
 			y+=1;
 		}
-		if(direction == 2) {
+		if(direction == 2 && isAvailable(x-1 , y, neighbors)) {
 			x-=1;
 		}
-		if(direction == 3) {
+		if(direction == 3 && isAvailable(x , y-1, neighbors)) {
 			y-=1;
 		}
     }
     
+    //check if no sheep in the next cell
+    private boolean isAvailable(int x, int y, ArrayList<Agent> neighbors) {
+    	for (Agent neighbor : neighbors) {
+    		if(neighbor.getX() ==x && neighbor.getY() ==y) {
+    			return false;
+    		}
+    	}
+    	return true;
+    }
+
+	public String type() {
+		return "sheep";
+	}
 
 }

src/backend/Simulator.java

@@ -1,7 +1,14 @@
 package backend;
 import java.util.ArrayList;
-import java.util.Random;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
 import windowInterface.MyInterface;
+import java.awt.Color;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
 
 public class Simulator extends Thread {
 
@@ -24,11 +31,14 @@ public class Simulator extends Thread {
 	private boolean loopingBorder;
 	private boolean clickActionFlag;
 	private int loopDelay = 150;
-	private int[][] board;
  	private int clickActionFlagValue;
+ 	private CellField cellField;
+	private ArrayList<Agent> agentsToRemove;
+	private ArrayList<Agent> agentsToAdd;
  	
+ 	// Populate this list if new Agents added:
+ 	private final List<Class<?>> AGENT_LIST = Arrays.asList(Sheep.class,Wolf.class);
  	
-	//TODO : add missing attribute(s)
 
 	public Simulator(MyInterface mjfParam) {
 		mjf = mjfParam;
@@ -41,25 +51,23 @@ public class Simulator extends Thread {
 		fieldBirthValues = new ArrayList<Integer>();
 		fieldSurviveValues = new ArrayList<Integer>();
 
-		//TODO : add missing attribute initialization
+		cellField = new CellField(COL_NUM, LINE_NUM);
-		board = new int [100][100];
-		
 		
 		
 		//Default rule : Survive always, birth never
 		for(int i =0; i<9; i++) {
 			fieldSurviveValues.add(i);
 		}
+		fieldBirthValues.add(3);
+
 		
 	}
 	
 	public int getWidth() {
-		//TODO : replace with proper return
 		return COL_NUM;
 	}
 
 	public int getHeight() {
-		//TODO : replace with proper return
 		return LINE_NUM;
 	}
 
@@ -90,44 +98,73 @@ public class Simulator extends Thread {
 	 * method called at each step of the simulation
 	 * makes all the actions to go from one step to the other
 	 */
+	//iterates over each agent in the agents collection and performs a step of their lifecycle. If an agent dies during this step, it is removed from the collection
     public void makeStep() {
-		// agent behaviors first
+    	// List to store agents to remove from the simulation
-		// only modify if sure of what you do
+    	agentsToRemove = new ArrayList<>();
-		// to modify agent behavior, see liveTurn method
+    	// Iterate over each agent in the simulation
-		// in agent classes
+    	Iterator<Agent> iterator = agents.iterator();
-		for(Agent agent : agents) {
+	    while (iterator.hasNext()) {
-			ArrayList<Agent> neighbors = 
+	        Agent agent = iterator.next();
-					this.getNeighboringAnimals(
+	        // Get neighboring agents for the current agent
-					agent.getX(), 
+	        ArrayList<Agent> neighbors = getNeighboringAnimals(agent.getX(), agent.getY(), ANIMAL_AREA_RADIUS);
-					agent.getY(), 
+	        // Check if the current agent survives this step, remove if not
-					ANIMAL_AREA_RADIUS);
+	        if ( agent.liveTurn(neighbors, this)) {
-			if(!agent.liveTurn(
+	            iterator.remove();
-					neighbors,
-					this)) {
-				agents.remove(agent);
 	        }
 	    }
-		//then evolution of the field
+	    // Remove agents that died during this step
-		// TODO : apply game rule to all cells of the field
+	    if (agentsToRemove.size()!=0) {
-		
+	    	agents.removeAll(agentsToRemove);
-		/* you should distribute this action in methods/classes
-		 * don't write everything here !
-		 * 
-		 * the idea is first to get the surrounding values
-		 * then count how many are alive
-		 * then check if that number is in the lists of rules
-		 * if the cell is alive 
-		 * 		and the count is in the survive list,
-		 * 		then the cell stays alive
-		 * if the cell is not alive
-		 * 		and the count is in the birth list,
-		 * 		then the cell becomes alive 	
-		 */
-		
-		
-		
-		
 	    }
+	    // Calculate the next generation of cells in the cellular automaton
+        int[][] nextGeneration = new int[COL_NUM][LINE_NUM];
+
+        for (int x = 0; x < COL_NUM; x++) {
+            for (int y = 0; y < LINE_NUM; y++) {
+                int aliveNeighbors = countAliveNeighbors(x, y);
+                int currentState = cellField.getCell(x, y);
+                // Apply rules of the cellular automaton to determine cell's state in next generation
+                if (currentState == 1) {
+                    if (fieldSurviveValues.contains(aliveNeighbors)) {
+                        nextGeneration[x][y] = 1;
+                    } else {
+                        nextGeneration[x][y] = 0;
+                    }
+                } else {
+                    if (fieldBirthValues.contains(aliveNeighbors)) {
+                        nextGeneration[x][y] = 1;
+                    } else {
+                        nextGeneration[x][y] = 0;
+                    }
+                }
+            }
+        }
+        // Update the grid with the new generation of cells
+        for (int x = 0; x < COL_NUM; x++) {
+            System.arraycopy(nextGeneration[x], 0, cellField.getGrid()[x], 0, LINE_NUM);
+        }
+    }
+
+    private int countAliveNeighbors(int x, int y) {
+        int count = 0;
+
+        for (int i = -1; i <= 1; i++) {
+            for (int j = -1; j <= 1; j++) {
+                int neighborX = x + i;
+                int neighborY = y + j;
+                // We check if neighbor is within bounds and not the cell itself
+                if (neighborX >= 0 && neighborX < COL_NUM && neighborY >= 0 && neighborY < LINE_NUM &&
+                    !(i == 0 && j == 0)) {
+                    count += cellField.getCell(neighborX, neighborY);
+                }
+            }
+        }
+
+        return count;
+    }
+
+
 	
 	/*
 	 * leave this as is
@@ -140,7 +177,6 @@ public class Simulator extends Thread {
 	 * method called when clicking pause button
 	 */
 	public void togglePause() {
-		// TODO : actually toggle the corresponding flag
 		 pauseFlag = !pauseFlag; // Toggles the value of pauseFlag
 	}
 	
@@ -148,29 +184,58 @@ public class Simulator extends Thread {
 	 * method called when clicking on a cell in the interface
 	 */
 	
-	 // Method to handle different behaviors based on the clickActionFlagValue
+	//handles user interaction with the grid, allowing for the addition, replacement, or removal of agents based on user clicks or cell states
 	public void clickCell(int x, int y) {
-		//TODO : complete method
+		// Check if a specific action flag is set
-		 board[x][y] = (board[x][y] == 0) ? 1 : 0;
+		if (clickActionFlagValue != 0) {
+			// Check if an agent already exists at the clicked cell
+			Agent agentExists = null;
+	        for (Agent agent : agents) {
+	            if (agent.getX() == x && agent.getY() == y) {
+	                agentExists = agent;
+	                break;
+	            }
+	        }
+	        // Get the class of the agent to be added or replaced
+	        if (agentExists != null) {
+	            Class<?> agentClass = AGENT_LIST.get(clickActionFlagValue - 1);
+	            try {
+	            	// Create a new instance of the agent class at the clicked cell
+	            	Constructor<?> constructor = agentClass.getConstructor(int.class, int.class);
+	                Agent agent = (Agent) constructor.newInstance(x, y);
+	                
+	                // If the new agent type matches the existing agent type, replace it
+	                if(agent.type() == agentExists.type()) {
+	                	agents.remove(agents.indexOf(agentExists));
+	                } else {
+	                	agents.remove(agents.indexOf(agentExists));
+	                	agents.add(agent);
+	                }
+	            } catch (NoSuchMethodException | IllegalAccessException | InstantiationException | InvocationTargetException e) {
+	                e.printStackTrace();
+	            }
+	        } else {
+	        	// If no agent exists at the clicked cell, add a new agent
+	        	Class<?> agentClass = AGENT_LIST.get(clickActionFlagValue - 1);
+	            try {
+	                Constructor<?> constructor = agentClass.getConstructor(int.class, int.class);
+	                Agent agent = (Agent) constructor.newInstance(x, y);
+                	agents.add(agent);
+	            } catch (NoSuchMethodException | IllegalAccessException | InstantiationException | InvocationTargetException e) {
+	                e.printStackTrace();
 	            }
 	        	
+	        }
+	    } else {
+	    	// If no specific action flag is set, toggle the state of the cell
+	    	cellField.setCell(x, y, (cellField.getCell(x, y) == 0) ? 1 : 0);
+	    }
+	}
 
-	/**
-	 * get cell value in simulated world
-	 * @param x coordinate of cell
-	 * @param y coordinate of cell
-	 * @return value of cell
-	 */
 	
 	// Method to get the value of cell at coordinates x, y
 	public int getCell(int x, int y) {
-		//TODO : complete method with proper return
+        return cellField.getCell(x, y);
-		if (x >= 0 && x < getWidth() && y >= 0 && y < getHeight()) {
-            return board[x][y];
-        } else {
-            // Handle out of bounds condition or return default value
-            return -1; // We can choose any default value here
-        }
     }
 		
 	/**
@@ -205,14 +270,7 @@ public class Simulator extends Thread {
 	 * @param val to set in cell
 	 */
 	public void setCell(int x, int y, int val) {
-		//TODO : complete method
+		cellField.setCell(x, y, val);
-		if (x >= 0 && x < getWidth() && y >= 0 && y < getHeight()) {
-            board[x][y] = val;
-        } else {
-            // Handle out of bounds condition or throw an exception
-            System.out.println("Invalid coordinates: (" + x + ", " + y + ")");
-            
-        }	
 	}
 	
 	/**
@@ -221,8 +279,18 @@ public class Simulator extends Thread {
 	 * the simulated world in its present state
 	 */
 	public ArrayList<String> getSaveState() {
-		//TODO : complete method with proper return
+        ArrayList<String> saveState = new ArrayList<>();
-		return null;
+        for (int y = 0; y < LINE_NUM; y++) {
+            StringBuilder line = new StringBuilder();
+            for (int x = 0; x < COL_NUM; x++) {
+                line.append(cellField.getCell(x, y));
+                if (x < COL_NUM - 1) {
+                    line.append(";");
+                }
+            }
+            saveState.add(line.toString());
+        }
+        return saveState;
     }
 	/**
 	 * 
@@ -266,49 +334,29 @@ public class Simulator extends Thread {
 	 */
 
 	public void generateRandom(float chanceOfLife) {
-		//TODO : complete method
+		cellField.generateRandom(chanceOfLife);
-		Random random = new Random ();
-		for (int x = 0; x < COL_NUM; x++) {
-			for  (int y = 0; y < LINE_NUM; y++) {
-				if (random.nextFloat() < chanceOfLife) {
-					setCell(x, y, 1);
-				} else {
-					setCell(x, y, 0);
 	}
-				}
-			}
-		}
-		
-		
-		/*
-		 * Advice :
-		 * as you should probably have a separate class
-		 * representing the field of cells...
-		 * maybe just make a constructor in there 
-		 * and use it here
-		 */
-	
 	
 	public boolean isLoopingBorder() {
-		//TODO : complete method with proper return
 		return loopingBorder;
 		
 	}
 	
 	public void toggleLoopingBorder() {
-		//TODO : complete method
+		loopingBorder = !loopingBorder;
-		loopingBorder = !loopingBorder; // Toggles the value of loopingBorder
 		
 	}
 	
 	public void setLoopDelay(int delay) {
-		//TODO : complete method
 		loopDelay = delay;
 	}
 	
 	public void toggleClickAction() {
-		//TODO : complete method
+		if(clickActionFlagValue<AGENT_LIST.size()){
-		clickActionFlag =! clickActionFlag;
+			clickActionFlagValue+=1;
+		} else{
+			clickActionFlagValue =0;
+		}
 	}
 
 	/**
@@ -320,55 +368,166 @@ public class Simulator extends Thread {
 	 * @see loadRule for inverse process
 	 */
 	public ArrayList<String> getRule() {
-		//TODO : complete method with proper return
+		// Returns an ArrayList of strings representing the rules of evolution for the world.
+ 		// Each line of the list contains the survival and birth rules separated by semicolons (;).
+		ArrayList<String> ruleList = new ArrayList<>();
 
-		return null;
+		String surviveRule = String.join(";", fieldSurviveValues.stream().map(String::valueOf).toArray(String[]::new));
+		String birthRule = String.join(";", fieldBirthValues.stream().map(String::valueOf).toArray(String[]::new));
+		ruleList.add(surviveRule);
+		ruleList.add(birthRule);
+		
+		return ruleList;
 	}
-
+	//loads survival and birth rules from a file into the program
 	public void loadRule(ArrayList<String> lines) {
+		// Check if the rule file is empty
 		if (lines.size() <= 0) {
-			System.out.println("empty rule file");
+			System.out.println("Empty rule file");
 			return;
 		}
-		//TODO : remove previous rule (=emptying lists)
 		
+		// Clear previous rule lists
+		fieldSurviveValues.clear();
+		fieldBirthValues.clear();
 		
+		// Extract survival and birth rule lines from the file
 		String surviveLine = lines.get(0);
 		String birthLine = lines.get(1);
+		
+		// Split survival rule line into individual elements and add to the survival rule list
 		String[] surviveElements = surviveLine.split(";");
-		for(int x=0; x<surviveElements.length;x++) {
+		for (String elem : surviveElements) {
-			String elem = surviveElements[x];
+			try {
-			int value = Integer.parseInt(elem);
+				int value = Integer.parseInt(elem.trim());
-			//TODO : add value to possible survive values
+				fieldSurviveValues.add(value);
-			
+			} catch (NumberFormatException e) {
+				System.out.println("Invalid survival rule: " + elem);
 			}
+		}
+		
+		// Split birth rule line into individual elements and add to the birth rule list
 		String[] birthElements = birthLine.split(";");
-		for(int x=0; x<birthElements.length;x++) {
+		for (String elem : birthElements) {
-			String elem = birthElements[x];
+			try {
-			int value = Integer.parseInt(elem);
+				int value = Integer.parseInt(elem.trim());
-			//TODO : add value to possible birth values
+				fieldBirthValues.add(value);
-			
+			} catch (NumberFormatException e) {
+				System.out.println("Invalid birth rule: " + elem);
 			}
 		}
-	
+	}
+	//simplify to add agent only in the agent list 
 	public ArrayList<String> getAgentsSave() {
-		//TODO : Same idea as the other save method, but for agents
+		// Iterates through the list of agents and saves them according to their place in the AGENT_LIST
-		return null;
+		// Allows for more flexibility when adding new agents
+	    
+		// Initialize a list to store the simplified representation of agents' positions
+		ArrayList<String> agentsSave = new ArrayList<>();
+	    // Initialize a map to store the positions of agents based on their class types
+	    Map<Class<?>, StringBuilder> agentPositions = new HashMap<>();
+
+	    for (Class<?> agentClass : AGENT_LIST) {
+	        agentPositions.put(agentClass, new StringBuilder());
 	    }
 	    
-	public void loadAgents(ArrayList<String> stringArray) {
+	    // Check if the agent's class is present in the AGENT_LIST
-		//TODO : Same idea as other load methods, but for agent list
+	    for (Agent agent : agents) {
-		
+	        if (AGENT_LIST.contains(agent.getClass())) {
+	            StringBuilder positions = agentPositions.get(agent.getClass());
+	            positions.append(String.format("%d,%d;", agent.getX(), agent.getY()));
 	        }
+	    }
+	    
+	    // Construct the final list of agents' positions
+	    for (Class<?> agentClass : AGENT_LIST) {
+	        StringBuilder positions = agentPositions.get(agentClass);
+	        if (positions.length() == 0) {
+	            // Add "-1" if the line is skipped
+	            agentsSave.add("-1");
+	        } else {
+	            // Remove the last semicolon 
+	            positions.deleteCharAt(positions.length() - 1);
+	            agentsSave.add(positions.toString());
+	        }
+	    }
+	    
+	    return agentsSave;
+	}
+
+	public void loadAgents(ArrayList<String> lines) {
+	    agents.clear();
+	    // Iterate through each line in the list of strings representing agents' positions
+	    int i = 0;
+	    for (String line : lines) {
+	    	// Skip the line if it equals "-1"
+	    	if (line.equals("-1")) {
+	            continue;
+	        }
+	    	// Split the line into individual coordinates based on the ";" delimiter
+	    	String[] coordinates = line.split(";");
+	        
+	    	// Iterate through each coordinate
+	        for (String coord : coordinates) {
+	            String[] xy = coord.split(",");
+	            int x = Integer.parseInt(xy[0]);
+	            int y = Integer.parseInt(xy[1]);
+	            
+	            try {
+	            	// create an instance of an agent according to its place on the list
+	                Class<?> agentClass = AGENT_LIST.get(i);
+	                Constructor<?> constructor = agentClass.getConstructor(int.class, int.class);
+	                Agent agent = (Agent) constructor.newInstance(x, y);
+	                // Add the newly created agent to the list of agents
+	                agents.add(agent);
+	            } catch (Exception e) {
+	                e.printStackTrace();
+	            }
+	        }
+	        // Increment the index to correspond to the position of the next agent class in the AGENT_LIST
+	        i++;
+	    }
+	}
+
+
 
 	/**
 	 * used by label in interface to show the active click action
 	 * @return String representation of click action
 	 */
+	//determines and returns the name of the action associated with a click event
 	public String clickActionName() {
-		// TODO : initially return "sheep" or "cell"
+		// Check if the click action flag value indicates an action related to the cell itself
-		// depending on clickActionFlag
+		if (clickActionFlagValue == 0) {
-		return "";
+	        return "cell";// Return the name of the action related to the cell
+	    } else {
+	    	// Check if the click action flag value indicates an action related to an agent
+	    	if (clickActionFlagValue <= AGENT_LIST.size()) {
+	    		// Get the class of the agent associated with the click action
+	    		Class<?> agentClass = AGENT_LIST.get(clickActionFlagValue - 1);
+	            try {
+	            	// Create an instance of the agent to determine its type
+	            	Constructor<?> constructor = agentClass.getConstructor(int.class, int.class);
+	                Agent agent = (Agent) constructor.newInstance(0, 0);
+	                return agent.type();
+	            } catch (NoSuchMethodException | IllegalAccessException | InstantiationException | InvocationTargetException e) {
+	                e.printStackTrace();
+	                return "Unknown";
+	            }
+	        } else {
+	            throw new IllegalArgumentException("Invalid click action flag value");
+	        }
+	    }
 	}
 	
+	public ArrayList<Agent> getAgentsToRemove(){
+		return agentsToRemove;
+	}
+	
+	public ArrayList<Agent> getAgentsToAdd(){
+		return agentsToAdd;
+	}
+
+
+
 }

src/backend/Wolf.java

@@ -0,0 +1,81 @@
+package backend;
+
+import java.awt.Color;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.Random;
+
+public class Wolf extends Agent {
+	Random rand;
+	private int turnWithoutSheep;
+
+    public Wolf(int x, int y) {
+        super(x, y, Color.black); 
+        rand = new Random();
+        turnWithoutSheep = 0;
+    }
+
+    public boolean liveTurn(ArrayList<Agent> neighbors, Simulator world) {
+    	Iterator<Agent> iterator = neighbors.iterator();
+    	boolean flag = false;
+    	while (iterator.hasNext() && !flag) {
+    	    Agent neighbor = iterator.next();
+    	    if (neighbor instanceof Sheep) {
+    	        // If sheep is found, move towards it and eat it
+    	        jumpTowards(neighbor.getX(), neighbor.getY());
+    	        // Add the eaten sheep to the list of agents to be removed from the world
+    	        world.getAgentsToRemove().add(neighbor);
+    	        turnWithoutSheep = 0;// Reset the counter for turns without finding a sheep
+    	        flag = true;// Set the flag to true as a sheep has been found and eaten
+    	    }
+        }
+        // If no sheep found, move randomly
+    	if(!flag) {
+    		 moveRandom(neighbors);
+    	     turnWithoutSheep += 1;// Increment the counter for turns without finding a sheep
+    	}
+       
+        
+        if(turnWithoutSheep <= 30) {
+        	return false;
+        }else {
+        	return true;
+        }
+    }
+    
+    private void moveRandom(ArrayList<Agent> neighbors) {		
+	    int direction = rand.nextInt(4);
+		if(direction == 0 && isAvailable(x+1 , y, neighbors)) {
+			x+=1;
+		}
+		if(direction == 1 && isAvailable(x , y+1, neighbors)) {
+			y+=1;
+		}
+		if(direction == 2 && isAvailable(x-1 , y, neighbors)) {
+			x-=1;
+		}
+		if(direction == 3 && isAvailable(x , y-1, neighbors)) {
+			y-=1;
+		}
+    }
+    
+    private boolean isAvailable(int x, int y, ArrayList<Agent> neighbors) {
+    	for (Agent neighbor : neighbors) {
+    		if(neighbor.getX() ==x && neighbor.getY() ==y) {
+    			return false;
+    		}
+    	}
+    	return true;
+    }
+    
+    private void jumpTowards(int targetX, int targetY) {
+        x = targetX;
+        y = targetY;
+    }
+
+
+
+    public String type() {
+        return "wolf";
+    }
+}