private void Attack()
{
moveStep = aiAttackSpeed * Time.deltaTime;
transform.position = Vector3.MoveTowards(transform.position, attackPosition, moveStep);
if (Vector3.Distance(transform.position, attackPosition) < 1f)
{
//revert to defense state
aiStates3D = AIStates3D.defense;
}
}
// Update is called once per frame
void Update()
{
aiPrevPosition = transform.position;
aiPrevRotation = transform.rotation.eulerAngles;
boundsCheck();
//Evasion change logic
if (Time.time - timeElapsed_Evade > nextEvadeStartDuration)
{
aiEvadeDir = aiEvadeDirections[Random.Range(0, aiEvadeDirections.Length - 1)];
if (aiEvadeDir == aiEvadeDirections[0])//left
{
evadeToPosition = new Vector3(transform.position.x - 0.5f, 0, transform.position.z);
}
else
if (aiEvadeDir == aiEvadeDirections[1])//right
{
evadeToPosition = new Vector3(transform.position.x + 0.5f, 0, transform.position.z);
}
else
if (aiEvadeDir == aiEvadeDirections[2])//front
{
evadeToPosition = new Vector3(transform.position.x, 0, transform.position.z - 0.5f);
}
timeElapsed_Evade = Time.time;
}
performEvasion(evadeToPosition);
//State change logic
if (Time.time - timeElapsed_StateChange > nextStateChangeDuration)
{
if (aiStates3D == AIStates3D.defense)
{
aiStates3D = AIStates3D.attack;
}
else
{
aiStates3D = AIStates3D.defense;
}
attackPosition = playerRef.transform.position;//get the recent player pos
timeElapsed_StateChange = Time.time;
}
//If the player is nearer to AI
if (Vector3.Distance(playerRef.transform.position, this.transform.position) < aiSafeDistance)
{
switch (aiStates3D)
{
case AIStates3D.attack:
Attack();
break;
case AIStates3D.defense:
Defense();
break;
}
}
if (Vector3.Distance(aiPrevPosition, transform.position) != 0)
{
//animator.play
animator.SetBool("isMoving", true);
}
else
{
animator.SetBool("isMoving", false);
}
transform.LookAt(playerRef.transform);
}
