public TreasureZombie(float positionX, float positionY, GraveyardTreasure treasure)
: base(positionX, positionY, AnimationManager.ZombieWalkLeft, AnimationManager.ZombieWalkRight, null, null, true, true, 2)
{
mTreasure = treasure;
Aggressive = true;
Mass = 1.2f;
}