// Update is called once per frame
void Update()
{
if (enemyController.freezeEnemy)
{
// add anything here to happen while frozen i.e. time compensations
return;
}
// do ScrewDriver ai logic if it's enabled
if (enableAI)
{
// get player position
if (player != null)
{
playerPosition = player.transform.position;
}
// screwdriver has only two states - closed and open
// while closed he's below standing megaman's bullet height
// while open he shoots bullet spreads two times
switch (screwDriverState)
{
case ScrewDriverState.Closed:
animator.Play("ScrewDriver_Closed");
// check distance to player
if (player != null && !doAttack)
{
float distance = Vector2.Distance(transform.position, playerPosition);
if (distance <= playerRange)
{
doAttack = true;
openTimer = openDelay;
}
}
// within distance and can attack
if (doAttack)
{
// delay before opening to attack
openTimer -= Time.deltaTime;
if (openTimer <= 0)
{
// switch to open state
// NOTE: animation has events that shoot the bullets and goes back to closed state
screwDriverState = ScrewDriverState.Open;
}
}
break;
case ScrewDriverState.Open:
// firing of the bullets is performed via animation events calling ShootBullet()
animator.Play("ScrewDriver_Open");
break;
}
}
}
// called from the last animation event in the ScrewDriver_Open animation
private void OpenAnimationStop()
{
doAttack = false;
screwDriverState = ScrewDriverState.Closed;
}