/// <summary>
/// Chooses a random row with its corresponding information.
/// Then casts a ray where the Enemy is supposed to be relocated. If the ray
/// doesn't collide with any other entity, the Enemy is relocated and removed from the _enemyToRearrange list.
/// </summary>
/// <param name="enemy">Enemy to rearrange</param>
/// <returns>True if the Enemy is relocated. False otherwise.</returns>
private bool TryToRearrangeEnemy(MovableEntity enemy)
{
int randSpawnPoint = (int)Random.Range(0, _mapRows);
Vector3 position = _rowData[randSpawnPoint].SpawnPosition - new Vector3(0, 0, 0.3f);;
Vector3 rayOrigin = position - Vector3.back;
Vector3 rayDirection = Vector3.forward;
Ray ray = new Ray(rayOrigin, rayDirection);
if (!Physics.Raycast(ray, 15))
{
Quaternion rotation = Quaternion.Euler(0, position.x > 0 ? -180 : 0, 0);
Vector2 movement = _rowData[randSpawnPoint].SpawnPosition.x > 0 ? new Vector2(-1.0f, 0.0f) : new Vector2(1.0f, 0.0f);
float xAdjust = _rowData[randSpawnPoint].SpawnPosition.x > 0 ? enemy.SpriteData.bounds.size.x : -enemy.SpriteData.bounds.size.x;
enemy.transform.position = position + new Vector3(xAdjust, 0, 0);
enemy.transform.rotation = rotation;
enemy.AssignMovement(movement, _rowData[randSpawnPoint].AssignedSpeed);
return(true);
}
return(false);
}
/// <summary>
/// Method in charge of generating enemies. A random row is chosen to spawn an enemy.
/// For that, it casts a ray where the enemy is supposed to be generated. If the ray
/// doesn't collide with any other entity, the enemy is taken from the pool if possible and
/// spawned in the corresponding position; adding also a new Movement created according to the
/// direction and speed of the chosen row indicated in _rowData.
/// If the ray collides with something, the method returns false.
/// <seealso cref="RowData"/>
/// </summary>
/// <returns>True if the enemy has been generated. False otherwise.</returns>
public bool GenerateEnemy()
{
int randSpawnPoint = Random.Range(0, _mapRows);
Vector3 position = _rowData[randSpawnPoint].SpawnPosition - new Vector3(0, 0, 0.3f);
Vector3 rayOrigin = position;
Vector3 rayDirection = Vector3.forward;
Ray ray = new Ray(rayOrigin, rayDirection);
RaycastHit hit;
if (!Physics.Raycast(ray, out hit, 15))
{
Quaternion rotation = Quaternion.Euler(0, position.x > 0 ? -180 : 0, 0);
GameObject enemy = _poolManager.TakeEnemy();
if (enemy == null)
{
enemy = Instantiate(enemyGenerator);
}
enemy.transform.position = position;
enemy.transform.rotation = rotation;
enemy.transform.parent = entityFolder.transform;
MovableEntity newEnemy = enemy.GetComponent <MovableEntity>();
Vector2 movement = _rowData[randSpawnPoint].SpawnPosition.x > 0 ? new Vector2(-1.0f, 0.0f) : new Vector2(1.0f, 0.0f);
newEnemy.AssignMovement(movement, _rowData[randSpawnPoint].AssignedSpeed);
newEnemy.SetActive(true);
return(true);
}
return(false);
}
/// <summary>
/// Method in charge of spawning Characters. Characters are always followed and preceded by enemies,
/// so they also need to be generated.
/// For that, it casts a ray where the enemy is supposed to be generated. If the ray
/// doesn't collide with any other entity, the proceeding enemy is taken from the pool and generated.
/// Then, the character is generated in a position with a different X. Finally, the second enemy is also generated.
/// If the ray collides with something, the method returns false.
/// <seealso cref="RowData"/>
/// </summary>
/// <returns>True if the group has been generated. False otherwise.</returns>
public bool SpawnCharacter()
{
int randChar = Random.Range(0, RemainingCharacters);
int randSpawnPoint = Random.Range(0, _mapRows);
MovableEntity character = _availableCharacters[randChar];
_availableCharacters.Remove(character);
MovableEntity[] enemies = new MovableEntity[2];
Vector3 position = _rowData[randSpawnPoint].SpawnPosition - new Vector3(0, 0, 0.3f);
Vector3 rayOrigin = position;
Vector3 rayDirection = Vector3.forward;
Ray ray = new Ray(rayOrigin, rayDirection);
if (!Physics.Raycast(ray, 15))
{
Quaternion rotation = Quaternion.Euler(0, position.x > 0 ? -180 : 0, 0);
Vector2 movement = _rowData[randSpawnPoint].SpawnPosition.x > 0 ? new Vector2(-1.0f, 0.0f) : new Vector2(1.0f, 0.0f);
GameObject enemy = _poolManager.TakeEnemy();
if (enemy == null)
{
enemy = (GameObject)Instantiate(enemyGenerator);
}
enemy.transform.position = position;
enemy.transform.rotation = rotation;
MovableEntity newEnemy = enemy.GetComponent <MovableEntity>();
newEnemy.name = enemyGenerator.tag + entityFolder.transform.childCount;
newEnemy.transform.parent = entityFolder.transform;
newEnemy.AssignMovement(movement, _rowData[randSpawnPoint].AssignedSpeed);
newEnemy.SetActive(true);
position.x += newEnemy.SpriteData.bounds.size.x * (movement.x * -1);
enemies[0] = newEnemy;
character.GetComponent <CharController>().AssignEnemy(newEnemy);
character.transform.position = position;
character.transform.rotation = rotation;
character.AssignMovement(movement, _rowData[randSpawnPoint].AssignedSpeed);
character.SetActive(true);
position.x += character.SpriteData.bounds.size.x * (movement.x * -1);
enemy = _poolManager.TakeEnemy();
if (enemy == null)
{
enemy = (GameObject)Instantiate(enemyGenerator);
}
enemy.transform.position = position;
enemy.transform.rotation = rotation;
newEnemy = enemy.GetComponent <MovableEntity>();
newEnemy.name = enemyGenerator.tag + entityFolder.transform.childCount;
newEnemy.transform.parent = entityFolder.transform;
newEnemy.AssignMovement(movement, _rowData[randSpawnPoint].AssignedSpeed);
enemies[1] = newEnemy;
character.GetComponent <CharController>().AssignEnemy(newEnemy);
newEnemy.SetActive(true);
return(true);
}
return(false);
}
