public AxisLockedChaserEnemyControlHandler(AxisLockedChaserEnemyController groundChaserEnemyController)
: base(groundChaserEnemyController)
{
_playerController = GameManager.instance.player;
_boxCollider2D = _enemyController.GetComponent <BoxCollider2D>();
Logger.Assert(_boxCollider2D != null, "AxisLockedChaserEnemyControlHandler expects the enemy controller to containa box collider 2d");
_verticalDistanceBetweenRays = CollisionDetectionUtility.GetVerticalDistanceBetweenRays(_boxCollider2D, _enemyController.transform.localScale, _enemyController.totalmovementBoundaryCheckRays, _skinWidth);
_horizontalDistanceBetweenRays = CollisionDetectionUtility.GetHorizontalDistanceBetweenRays(_boxCollider2D, _enemyController.transform.localScale, _enemyController.totalmovementBoundaryCheckRays, _skinWidth);
}
protected override bool DoUpdate()
{
Vector3 direction = _playerController.transform.position - this._enemyController.transform.position;
float decelerationFactor = 1f;
if (_enemyController.axisType == AxisType.Horizontal)
{
float horizontalVelocity = 0f;
if (_playerController.transform.position.y > (
_enemyController.transform.position.y
+ _boxCollider2D.size.y * .5f - _boxCollider2D.offset.y
+ _playerController.boxColliderSizeDefault.y - _playerController.boxColliderOffsetDefault.y
) ||
_playerController.transform.position.y < (
_enemyController.transform.position.y
- _boxCollider2D.size.y * .5f - _boxCollider2D.offset.y
- _playerController.boxColliderSizeDefault.y - _playerController.boxColliderOffsetDefault.y
)
)
{
decelerationFactor = Mathf.Min(Mathf.Abs(direction.x) * _enemyController.decelerationDistanceMultiplicationFactor, 1f);
}
if (direction.x > _enemyController.idleDistanceThreshold) // TODO (Roman): maybe don't hardcode that threshold
{
horizontalVelocity = _enemyController.speed * Time.deltaTime * decelerationFactor;
}
else if (direction.x < -_enemyController.idleDistanceThreshold)
{
horizontalVelocity = -_enemyController.speed * Time.deltaTime * decelerationFactor;
}
_velocity.x = Mathf.Lerp(_velocity.x, horizontalVelocity
, (decelerationFactor == 1f
? _enemyController.smoothDampFactorWhenDecelerationIsOff
: _enemyController.smoothDampFactorWhenDecelerationIsOn
) * Time.deltaTime
);
_enemyController.transform.Translate(
CollisionDetectionUtility.AdjustDeltaMovementWithCollisionCheck(
AxisType.Horizontal
, _boxCollider2D
, _enemyController.movementBoundaryObjectLayerMask
, _velocity
, _skinWidth
, _enemyController.totalmovementBoundaryCheckRays
, _horizontalDistanceBetweenRays));
}
else if (_enemyController.axisType == AxisType.Vertical)
{
float verticalVelocity = 0f;
if (_playerController.transform.position.x > (
_enemyController.transform.position.x
+ _boxCollider2D.size.x * .5f - _boxCollider2D.offset.x
+ _playerController.boxColliderSizeDefault.x - _playerController.boxColliderOffsetDefault.x
) ||
_playerController.transform.position.x < (
_enemyController.transform.position.x
- _boxCollider2D.size.x * .5f - _boxCollider2D.offset.x
- _playerController.boxColliderSizeDefault.x - _playerController.boxColliderOffsetDefault.x
)
)
{
decelerationFactor = Mathf.Min(Mathf.Abs(direction.y) * _enemyController.decelerationDistanceMultiplicationFactor, 1f);
}
if (direction.y > _enemyController.idleDistanceThreshold) // TODO (Roman): maybe don't hardcode that threshold
{
verticalVelocity = _enemyController.speed * Time.deltaTime * decelerationFactor;
}
else if (direction.y < -_enemyController.idleDistanceThreshold)
{
verticalVelocity = -_enemyController.speed * Time.deltaTime * decelerationFactor;
}
_velocity.y = Mathf.Lerp(_velocity.y, verticalVelocity
, (decelerationFactor == 1f
? _enemyController.smoothDampFactorWhenDecelerationIsOff
: _enemyController.smoothDampFactorWhenDecelerationIsOn
) * Time.deltaTime
);
_enemyController.transform.Translate(
CollisionDetectionUtility.AdjustDeltaMovementWithCollisionCheck(
AxisType.Vertical
, _boxCollider2D
, _enemyController.movementBoundaryObjectLayerMask
, _velocity
, _skinWidth
, _enemyController.totalmovementBoundaryCheckRays
, _verticalDistanceBetweenRays));
}
return(true);
}