diff --git a/physics.cc b/physics.cc
index 24f681f..ed6c952 100644
--- a/physics.cc
+++ b/physics.cc
@@ -414,6 +414,26 @@ void Physics::addSphere(float rad, Entity entity, float mass, float dampningL, f
         throw std::invalid_argument( "Bodies out of Sync" );
 }
 
+void Physics::prepareCollisionDetection()
+{
+    playerTerrainCol = playerObjectColision = false;
+    int numManifods = world->getDispatcher()->getNumManifolds();
+    
+    for (int i=0;i<numManifods;i++)
+    {
+    }
+}
+
+bool Physics::playerWithGround()
+{
+    return playerTerrainCol;
+}
+
+bool Physics::playerWithObject()
+{
+    return playerObjectColision;
+}
+
 void Physics::addCamera() //Camera Creator automatically called when player is created
 {
     btSphereShape* sphere = new btSphereShape(0.2f); //we use this to make a more interesting camera, that does not interpenetrate with the terrain/objects
@@ -496,7 +516,7 @@ void Physics::updateCameraPos(glm::vec2 mouseMovement, float strength, float dis
         currentDirection = compare;
     }
     
-    currentDirection = currentDirection.rotate(btVector3(0,1,0),mouseMovement.y/100);
+    currentDirection = currentDirection.rotate(btVector3(0,1,0),-mouseMovement.y/100);
     currentDirection.normalize();
 }
 
@@ -557,6 +577,14 @@ void Physics::addStaticGroundPlane()
 void Physics::forceMove(glm::vec3 newPosition, unsigned indice)//ugly, but needed for reset
 {
     bodies[indice]->setCenterOfMassTransform(btTransform(btQuaternion(0,0,0,1),btVector3(newPosition.x,newPosition.y,newPosition.z)));
+    bodies[indice]->setLinearVelocity(btVector3(0,0,0));
+}
+
+void Physics::forcePlayer(glm::vec3 newPosition)//ugly, but needed for reset
+{
+    playerBall->setCenterOfMassTransform(btTransform(btQuaternion(0,0,0,1),btVector3(newPosition.x,newPosition.y,newPosition.z)));
+    playerBall->setLinearVelocity(btVector3(0,0,0));
+    forceMoveCamera(newPosition + glm::vec3(currentDirection.x()*cameraDistance,currentDirection.y()*cameraDistance,currentDirection.z()*cameraDistance));
 }
 
 void Physics::forceMoveCamera(glm::vec3 newPosition)
diff --git a/physics.hh b/physics.hh
index d8f287e..de2be9c 100644
--- a/physics.hh
+++ b/physics.hh
@@ -74,6 +74,10 @@ class Physics {
 	void forceMove(glm::vec3 newPosition, unsigned indice);
 	void forceMoveCamera(glm::vec3 newPosition);    
 	void addConvexBody(Entity entity, std::string path, float mass, float dampningL, float dampningA, unsigned indice, float scaling, bool rotate);
+	void prepareCollisionDetection();
+	bool playerWithGround();
+	bool playerWithObject();
+    void forcePlayer(glm::vec3 newPosition);
 
     struct positionConstraint{btRigidBody* body; float strength; btVector3 position;};
 
@@ -98,6 +102,8 @@ class Physics {
     int counter = 0;
     std::string geometryPath;
     float cameraDistance = 5; //distance of the camera to the player.
+    bool playerTerrainCol = false;
+    bool playerObjectColision = false;
 };
 
 enum collisionTypes{