diff --git a/Assets/Scripts/Human.cs b/Assets/Scripts/Human.cs
index 5baad15..331b802 100644
--- a/Assets/Scripts/Human.cs
+++ b/Assets/Scripts/Human.cs
@@ -3,13 +3,52 @@ using System.Collections;
 
 public class Human : MonoBehaviour {
 
+	//vitesse de deplacement
+	public float humanSpeed;
+	//Le temps avant de faire un changement de direction
+	public int duree;
+	private int timer = 0;
+	private Rigidbody rb;
+	private float horizontal=10.0f;
+	private float vertical=0.0f;
+
 	// Use this for initialization
 	void Start () {
-	
+		rb = GetComponent<Rigidbody> ();
 	}
 	
-	// Update is called once per frame
-	void Update () {
-	
+	float changementSens()
+	{
+		//Faire un changement de sens
+		if (Random.value > 0.5) {
+			return -1.0f;
+		} 
+		else {
+			return 1.0f;
+		}
 	}
+
+	void FixedUpdate()
+	{
+
+		if (timer == duree) {
+			if (Random.value > 0.5) {
+				horizontal = 10.0f*changementSens();
+				vertical=0.0f;
+				print (horizontal);
+			} else {
+				vertical = 10.0f*changementSens();
+				horizontal=0.0f;
+				print (vertical);
+			}
+			timer=0;
+		}
+		timer += 1;
+
+
+		Vector3 mouvement = new Vector3 (horizontal,0.0f,vertical);
+		rb.AddForce (mouvement);
+	}
+
+
 }