// Start is called before the first frame update
void Start()
{
_waypoints = _waveConfig.GetWaypoints();
_enemySpeed = _waveConfig.GetEnemySpeed();
transform.position = _waypoints[_waypointIndex].transform.position;
}
/// <summary>
/// Moves object along a single bezier curve.
/// Curve is calculated frame by frame in function of moveSpeed,
/// resulting in object moving faster on straight parts and slower on curves
/// </summary>
/// <param name="curve">A list of 4 Transform objects, defining a bezier curve.
/// Each is one of the lists inside a Path.GetPathCurves() list of lists.</param>
private IEnumerator FollowCurveVariableSpeed(List <Transform> curve)
{
float tParam = 0f;
Vector2 newPos;
while (tParam < 1)
{
tParam += Time.deltaTime * waveConfig.GetEnemySpeed();
newPos = Mathf.Pow(1 - tParam, 3) * curve[0].position +
3 * Mathf.Pow(1 - tParam, 2) * tParam * curve[1].position +
3 * (1 - tParam) * Mathf.Pow(tParam, 2) * curve[2].position +
Mathf.Pow(tParam, 3) * curve[3].position;
newPos = ApplyReverse(newPos);
newPos = ApplyOffset(newPos);
transform.position = newPos;
yield return(new WaitForEndOfFrame());
}
}
//private void SpawnEnemyWaves()
//{
// // create the stack of points
// spawnStack = ListUtils.CreateShuffledStack(spawnPoints);
// //InvokeRepeating("SpawnOneEnemy", 0f, 0.25f);
// InvokeRepeating(SPAWN_ENEMY_METHOD, spawnDelay, spawnInterval);
//}
// stack version
private void SpawnOneEnemy()
{
if (spawnStack.Count == 0)
{
spawnStack = ListUtils.CreateShuffledStack(spawnPoints);
}
var enemy = Instantiate(enemyPrefab, enemyParent.transform);
var sp = spawnStack.Pop();
enemy.transform.position = sp.transform.position;
//set the enemy parameters
enemy.GetComponent <EnemyBehaviour>().SetMoveSpeed(waveConfig.GetEnemySpeed());
enemy.GetComponent <Enemy>().ScoreValue = waveConfig.GetScoreValue();
enemy.GetComponent <SpriteRenderer>().sprite = waveConfig.GetEnemiesSprite();
PublishEnemySpawnedEvent();
}
private void Move()
{
if (wayPointIndex < waypoints.Count)
{
var targetPosition = waypoints[wayPointIndex].transform.position;
var movementPerFrame = waveConfig.GetEnemySpeed() * Time.deltaTime;
transform.position = Vector2.MoveTowards(transform.position, targetPosition, movementPerFrame);
if (transform.position == targetPosition)
{
wayPointIndex++;
}
}
else
{
Destroy(gameObject);
}
}
// Start is called before the first frame update
void Start()
{
speed = waveConfig.GetEnemySpeed();
waypoints = waveConfig.GetWaypoints();
transform.position = waypoints[waypointIndex].position;
}