//Abstract classes are never used by the parent, only the child
//Chase the player
void ChaseAndFire(AISense sense)
{
isSpotted = true;
//This is used to get a direction from the player and our current position
Vector2 dir = GameManager.instance.player.transform.position - transform.position;
//Get the angle of the direction
float angle = Mathf.Atan2(dir.y, dir.x) * Mathf.Rad2Deg;
//Angel axis
Quaternion qto = Quaternion.AngleAxis(angle, Vector3.forward);
//Euler
Quaternion qto2 = Quaternion.Euler(qto.eulerAngles.x,
qto.eulerAngles.y,
qto.eulerAngles.z);
//Set the rotation
transform.rotation = qto2;
//Move up, What ever direction the enemy is facing he will move towards it
transform.position += transform.right * 2 * Time.deltaTime;
//If we cannot see the player
if (!sense.CanSee(GameManager.instance.player))
{
//Set the current state to patrol
currentState = AIStates.Patrol;
}
}
// Use this for initialization
void Start()
{
//Set the curren state to patrolling
currentState = AIStates.Patrol;
//sense is the component of our enemy
sense = GetComponent <AISense>();
}
//Patrol method for rotating
void Patrol(Text text, AISense sense)
{
isSpotted = false;
// Do Patrol
transform.Rotate(0, 0, -Time.deltaTime * rotationSpeed);
// Check for Transitions
if (sense.CanSee(GameManager.instance.player) || sense.CanHear(GameManager.instance.player, GameManager.instance.noiseMaker.volume))
{
//Since spotted, increase the counter
text.text = "Times Spotted: " + ++timesSpotted;
//currentstate is now Chasing
currentState = AIStates.ChaseAndFire;
}
}
//Enemy State Machine Virtual method
public virtual void StateMachine(GameObject spotted, Text text, AISense sense)
{
// AI States are based on enum value
switch (currentState)
{
//If the currentstate is Patroling
case AIStates.Patrol:
// Do patrol work
spotted.SetActive(false);
Patrol(text, sense);
break;
//If the current state is chasing
case AIStates.ChaseAndFire:
// Do patrol work
spotted.SetActive(true);
ChaseAndFire(sense);
break;
}
}
public void ChangeState(AISense newMode)
{
// Change our state
aiSense = newMode;
}
