diff --git a/src/backend/Simulator.java b/src/backend/Simulator.java
index 1d1444c..eb672b9 100644
--- a/src/backend/Simulator.java
+++ b/src/backend/Simulator.java
@@ -50,13 +50,11 @@ public class Simulator extends Thread {
 	}
 
 	public int getWidth() {
-		//TODO : replace with proper return
-		return 0;
+		return COL_NUM;
 	}
 
 	public int getHeight() {
-		//TODO : replace with proper return
-		return 0;
+		return LINE_NUM;
 	}
 
 	//Should probably stay as is
@@ -136,14 +134,20 @@ public class Simulator extends Thread {
 	 * method called when clicking pause button
 	 */
 	public void togglePause() {
-		// TODO : actually toggle the corresponding flag
+		pauseFlag = !pauseFlag;
 	}
 	
 	/**
 	 * method called when clicking on a cell in the interface
 	 */
 	public void clickCell(int x, int y) {
-		//TODO : complete method
+		 if (clickActionFlag) {
+		        agents.add(new Sheep(x, y)); 
+		    } else {
+		       
+		        int currentValue = getCell(x, y);
+		        int newValue = (currentValue == 0) ? 1 : 0; 
+		        setCell(x, y, newValue);}
 	}
 	
 	/**
@@ -153,8 +157,7 @@ public class Simulator extends Thread {
 	 * @return value of cell
 	 */
 	public int getCell(int x, int y) {
-		//TODO : complete method with proper return
-		return 0;
+	    
 	}
 	/**
 	 * 
@@ -188,7 +191,7 @@ public class Simulator extends Thread {
 	 * @param val to set in cell
 	 */
 	public void setCell(int x, int y, int val) {
-		//TODO : complete method
+	   
 	}
 	
 	/**
@@ -197,7 +200,6 @@ public class Simulator extends Thread {
 	 * the simulated world in its present state
 	 */
 	public ArrayList<String> getSaveState() {
-		//TODO : complete method with proper return
 		return null;
 	}
 	/**
@@ -241,14 +243,7 @@ public class Simulator extends Thread {
 	 * to be alive in new state
 	 */
 	public void generateRandom(float chanceOfLife) {
-		//TODO : complete method
-		/*
-		 * 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() {
@@ -259,11 +254,11 @@ public class Simulator extends Thread {
         loopingBorder = !loopingBorder; 
     }
 	public void setLoopDelay(int delay) {
-		//TODO : complete method
+		 loopDelay = delay;
 	}
 	
 	public void toggleClickAction() {
-		//TODO : complete method
+		clickActionFlag = !clickActionFlag;
 	}
 
 	/**
@@ -321,9 +316,7 @@ public class Simulator extends Thread {
 	 * @return String representation of click action
 	 */
 	public String clickActionName() {
-		// TODO : initially return "sheep" or "cell"
-		// depending on clickActionFlag
-		return "";
+		return clickActionFlag ? "Sheep" : "Cell";
 	}
 
 }