//KOLLAR OM MAN HAR KOLLIDERAT MED TEDDY; OCH PÅ VILKA BANOR DET I SÅ FALL HÄNDER. SÄTTER HUR MAN KOLLIDERAR.
        //HAR MAN KOLLIDERAT MED TEDDY SÅ RITAS FLICKAN UT: KOLLIDERAR MAN SEN MED EMPTY TILE SÅ FÖRSVINNER FLICKAN
        public bool IsCollidingAtTeddy(Vector2 a_newPos, Vector2 a_size, SoundObserver a_soundobserver)
        {
            Vector2 topLeft = new Vector2(a_newPos.X, a_newPos.Y - a_size.Y);
            Vector2 bottomRight = new Vector2(a_newPos.X, a_newPos.Y);

            for (int x = 0; x < g_levelWidth; x++)
            {
                for (int y = 0; y < g_levelHeight; y++)
                {

                    if (bottomRight.X < (float)x - 0.4)
                        continue;
                    if (bottomRight.Y < (float)y)
                        continue;
                    if (topLeft.X > (float)x + 1.0f)
                        continue;
                    if (topLeft.Y > (float)y + 0.7f)
                        continue;

                    if (m_tiles[x, y] == Tile.T_TEDDY)
                    {
                        m_tiles[25, g_levelHeight - 3] = Tile.T_EMPTY;
                        m_tiles[29, g_levelHeight - 3] = Tile.T_GIRL;

                        a_soundobserver.ScreamSound();
                        return true;
                    }
                    else if (m_tiles[x, y] == Tile.T_VANISH)
                    {
                       m_tiles[29, g_levelHeight - 3] = Tile.T_EMPTY;
                    }
                }
            }
            return false;
        }
        //EN UPPDATE SOM HÅLLER REDA PÅ SPELAREN
        public void UpdatePlayer(float a_elapsedTime, SoundObserver a_sound, ILevelObserver a_observer, int difficulty)
        {
            Vector2 oldPos = m_player.GetPosition();
            //get a new position for the player
            m_player.Update(a_elapsedTime);
            Vector2 newPos = m_player.GetPosition();
            m_hasCollidedWithGround = false;
            Vector2 speed = m_player.GetSpeed();
            Vector2 afterCollidedPos = Collide(oldPos, newPos, m_player.m_sizes, ref speed, out m_hasCollidedWithGround, a_elapsedTime, a_observer);
            //set the new speed and position after collision
            m_player.SetPosition(afterCollidedPos.X, afterCollidedPos.Y);
            m_player.SetPosition(afterCollidedPos.X, afterCollidedPos.Y);
            m_player.SetSpeed(speed.X, speed.Y);

            //KOLLAR OM MAN HAR KOLLIDERAT MED EN TEDDY
            if (m_levels.IsCollidingAtTeddy(newPos, m_player.m_sizes, a_sound))
            {

            m_player.SetSpeed(-2, 0);
            a_sound.ScreamSound();

            }
            /*if(m_levels.IsCollidingAtEnemy(newPos, m_player.m_sizes, m_player))
            {
            if(!hasBeenHit)
            {
                m_player.SetLifeChange(m_modelEnemy.GetEnemyDamage(), true);
                hasBeenHit = true;
            }
            }*/
            //KOLLAR OM MAN HAR KOLLIDERAT MED FÄLLORA
            if (m_levels.IsCollidingAtTrap(newPos, m_player.m_sizes))
            {
            DoDeath(a_observer);
            }
            /* if (m_levels.IsCollidingAtBoltEnemy(newPos, m_player.m_sizes))
            {
            m_player.SetPosition(5, 15);
            m_player.SetSpeed(0, 0);
            }*/

            //KOLLAR OM MAN KILLIDERAT MED HJÄRTAT; INTE IMPLEMENTERAT MEN FUNKTIONEN FINNS
            if (m_levels.IsCollidingAtHeart(newPos, m_player.m_sizes, a_sound))
            {
            // m_playerHp += 50;
            }

            //KOLLAR KOLLISIONEN MED RUSHINGENEMY
            if(CollideWithRushingEnemy(newPos))
            {
            //  m_levels.Restart(a_observer);
            if (!hasBeenHit)
            {
                m_player.SetLifeChange(m_modelEnemy.GetEnemyDamage(), true);
                hasBeenHit = true;
            }
            if (!m_player.IsAlive())
            {
                DoDeath(a_observer);
            }
            }

            //KOLLAR KOLLISIONEN MED BOLT ENEMY
            if (CollideWithBoltEnemy(newPos))
            {
            if (!hasBeenHit)
            {
                m_player.SetLifeChange(m_modelEnemyBolt.GetEnemyDamage(), true);
                hasBeenHit = true;
            }
            if (!m_player.IsAlive())
            {
                DoDeath(a_observer);
            }
            }

            //KOLLAR OM MAN HAR KOLLIDERAT MED SLUTET AV BANAN.
            if (afterCollidedPos.X > Levels.g_levelWidth - 3)
            {
            speed = new Vector2(0.0f, 0.0f);
            afterCollidedPos = new Vector2(5.0f, 0.0f);
            hasReachedEnd = true;

            }
        }