private void SpawnEnemies(List <WaveEntity> selectedFormationEntities, int[] shipTypes, float minVerticalStartCoord,
float maxVerticalStartCoord, float enemyHorizontalDist, float enemyVerticalDist, float maxEnemyHorizontalDist)
{
bool waveManeuvers = false;
Vector2 maneuveringVector;
float maneuveringVerticalLength = 0.0f;
float selectedVerticalStartCoord = Random.Range(minVerticalStartCoord, maxVerticalStartCoord);
float diffFromCeiling = maxVerticalStartCoord - selectedVerticalStartCoord;
float diffFromFloor = selectedVerticalStartCoord - minVerticalStartCoord;
float waveManeuveringRoom;
if (diffFromCeiling > diffFromFloor)
{
waveManeuveringRoom = diffFromCeiling;
maneuveringVector = Vector2.up * ManeuveringDirectionMoveSpeed;
}
else
{
waveManeuveringRoom = diffFromFloor;
maneuveringVector = Vector2.down * ManeuveringDirectionMoveSpeed;
}
if (waveManeuveringRoom > ShipColliderVertSize)
{
//20 40 60 80 100 percent chance of a maneuvering wave depending on difficulty coefficient
float waveManeuveringChangePercentage = (float)(_difficultyManagerScript.DifficultyCoefs[DifficultyParameter.DpWaveManeuveringChance] * 100) /
GameConstants.MaxDifficulty;
int doManeuver = Random.Range(0, 100);
if (doManeuver < waveManeuveringChangePercentage)
{
waveManeuvers = true;
maneuveringVerticalLength = Random.Range(ShipColliderVertSize, waveManeuveringRoom);
}
}
//VII. Spawn Enemies
GameObject waveScoreIndicator = Instantiate(WaveScoreIndicatorPrefab);
waveScoreIndicator.transform.SetParent(CanvasScorePanel.transform, false);
GameObject lineRendererObject = Instantiate(ShipConnectionPrefab, Vector3.zero, Quaternion.identity);
EnemyWave curEnemyWave = new EnemyWave(_playerScript, lineRendererObject.GetComponent <LineRenderer>(),
_canvasRectTransform, waveScoreIndicator, _scoreLeftAnchorXPos, _scoreRightAnchorXPos);
for (int i = 0; i < selectedFormationEntities.Count; i++)
{
int enemyKind = shipTypes[i];
GameObject enemyPrefab = EnemyPrefabArray[enemyKind];
BasicEnemy enemyPrefabScript = enemyPrefab.GetComponent <BasicEnemy>();
Vector2 enemyPos;
if (i > 0)
{
Vector2 posDiff = selectedFormationEntities[i].Position - selectedFormationEntities[i - 1].Position;
int xPosDiff = (int)posDiff.x;
int yPosDiff = (int)posDiff.y;
int xIncrement = xPosDiff != 0 ? Math.Sign(xPosDiff) : 0;
int yIncrement = yPosDiff != 0 ? Math.Sign(yPosDiff) : 0;
Vector3 previousEnemyPos = curEnemyWave.GetLastEnemyPosition();
enemyPos = new Vector2(previousEnemyPos.x + xIncrement * enemyHorizontalDist, previousEnemyPos.y + yIncrement * enemyVerticalDist);
}
else
{
//determining first enemy position
enemyPos = new Vector2(enemyPrefabScript.HorizontalSpawnCoord + selectedFormationEntities[i].Position.x * maxEnemyHorizontalDist, selectedVerticalStartCoord);
}
GameObject enemy = Instantiate(enemyPrefab, enemyPos, Quaternion.identity);
Assert.IsNotNull(enemy);
BasicEnemy basicEnemyScript = enemy.GetComponent <BasicEnemy>();
BasicMove basicMoveScript = enemy.GetComponent <BasicMove>();
curEnemyWave.AddNewEnemy(enemy, basicEnemyScript);
basicEnemyScript.Initialize(_playerScript, _difficultyManagerScript, basicMoveScript, selectedFormationEntities[i].MoveDir, curEnemyWave);
basicEnemyScript.SetMoveDir(selectedFormationEntities[i].MoveDir);
}
curEnemyWave.FinalizeAfterWaveIsFilled(waveManeuvers, maneuveringVector, maneuveringVerticalLength);
_enemyWaves.Add(curEnemyWave);
}