// Returns the spawn position, based on the set config
protected virtual Vector2 GetSpawnPosition(SpawningLane spawningLane)
{
if (spawningLanesConfig.SpawnOnTrajectory)
{
return(GetProjectedSpawnPosition());
}
return(GetSpawnPositionInsideLane(spawningLane));
}
// Spawns a random item from the pool
protected virtual void SpawnRandomItem(SpawningLane spawningLane)
{
var itemPool = spawningLane.ItemPool;
int index = RandomPoolIndex.Next(0, itemPool.Count);
AbstractItemEntity item = Instantiate(itemPool[index]).GetComponent <AbstractItemEntity>();
item.Position = GetSpawnPosition(spawningLane);
item.Setup(_audioService, _particleService, _mainCamera);
}
/// <summary>
/// Calculates the spawn position, according to the spawning lane restrictions
/// </summary>
/// <param name="spawningLane"></param>
/// <returns></returns>
private Vector2 GetSpawnPositionInsideLane(SpawningLane spawningLane)
{
// Random spread within the lane
float randomPosY = Random.Range(spawningLane.MinHeight, spawningLane.MaxHeight);
// Introduce deviation on x position
float deviationX = Random.Range(-spawningLanesConfig.MaxDeviation,
spawningLanesConfig.MaxDeviation);
var spawnPosition = new Vector2(Position.x + deviationX, GroundPosition.y + randomPosY);
return(spawnPosition);
}
// Checks if Spawn should occur and Spawns object
protected virtual void AttemptSpawn(float distance)
{
if (!_canSpawn)
{
return;
}
// Try a spawn in each of the lanes
for (var i = 0; i < spawningLanesConfig.SpawningLanes.Count; i++)
{
SpawningLane spawningLane = spawningLanesConfig.SpawningLanes[i];
if (ShouldSpawn((int)distance, spawningLane))
{
SpawnRandomItem(spawningLane);
}
}
}
protected virtual bool ShouldSpawn(int distance, SpawningLane spawningLane)
{
// Sanity check
if (spawningLane.ItemPool.Count == 0)
{
Logger.Warn("Item Pool is empty! Please verify if everything is correctly setup in the spawners");
return(false);
}
// Do not spawn if the jester is above the lane max height and is also moving upwards
if (!spawningLanesConfig.SpawnOnTrajectory &&
_jesterEntity.Position.y > spawningLane.MaxHeight &&
_jesterEntity.GoBody.velocity.y > 0)
{
return(false);
}
DistanceSinceLastSpawn = distance - LastSpawnPoint;
// Do not spawn if the minimum distance since last Spawn was not travelled yet
if (DistanceSinceLastSpawn <= spawningLanesConfig.MinDistanceBetweenSpawns)
{
return(false);
}
// Randomly decide whether to spawn
bool result = spawningLanesConfig.SpawnChance >= Random.Range(0.01f, 1.0f);
if (result)
{
// Reset distance tracking
LastSpawnPoint = distance;
DistanceSinceLastSpawn = 0;
}
return(result);
}
public void SelectPath(SpawningLane lane)
{
currentIndex = 0;
waypoints = paths[(int)lane].AllWaypoints;
waypointsLength = waypoints.Count;
}
