/// <summary>
/// Moves the character.
/// </summary>
override public bool DoMove()
{
CheckForPlayer();
switch (state)
{
case SnapperState.CHARGING:
enemy.Translate(0, TimeManager.FrameTime * speed, true);
if (autoRetractAtTop && enemy.transform.position.y >= endingYPos)
{
state = SnapperState.RETRACTING;
}
break;
case SnapperState.RETRACTING:
enemy.Translate(0, TimeManager.FrameTime * -retractSpeed, true);
if (enemy.transform.position.y <= startingYPos)
{
state = SnapperState.IDLE;
}
break;
}
if (enemy.transform.position.y > endingYPos)
{
enemy.Translate(0, endingYPos - enemy.transform.position.y, true);
}
if (enemy.transform.position.y < startingYPos)
{
enemy.Translate(0, startingYPos - enemy.transform.position.y, true);
}
return(true);
}
/// <summary>
/// Checks for the player and updates state.
/// </summary>
virtual protected void CheckForPlayer()
{
RaycastHit2D hit = Physics2D.Raycast(transform.position, new Vector3(0, 1, 0), sightRange, sightLayers);
if (hit.collider != null)
{
Character character = null;
ICharacterReference characterRef = (ICharacterReference)hit.collider.gameObject.GetComponent(typeof(ICharacterReference));
if (characterRef == null)
{
character = hit.collider.gameObject.GetComponent <Character> ();
}
else
{
character = characterRef.Character;
}
if (character != null)
{
if (state == SnapperState.IDLE || !mustFullyRetract)
{
state = SnapperState.CHARGING;
}
}
else
{
if (state == SnapperState.CHARGING && enemy.transform.position.y >= endingYPos)
{
state = SnapperState.RETRACTING;
}
}
}
else
{
if (state == SnapperState.CHARGING && enemy.transform.position.y >= endingYPos)
{
state = SnapperState.RETRACTING;
}
}
}