/// <summary>
/// Update the AI in 'BuildUp' mode. Enemies should start to spawn in order to reach the 'peakThreshold' intensity.
/// </summary>
private void UpdateBuildUp()
{
// Debug.Log ("Currently in BUILD UP mode. Number of enemies spawned: " + enemiesSpawned + ". Enemies remaining: " + enemyMob.EnemyCount);
// If all enemies have been spawned this epoch and all of them are dead, the user killed all the enemies before reaching the SustainPeak mode
if (enemiesSpawned == epochSettings.maxEnemies && enemyMob.EnemyCount == 0)
{
// The current epoch is finished since all enemies are dead. Thus, skip directly to RELAX mode to get ready for the next epoch
intensityMode = IntensityMode.Relax;
Debug.LogWarning("All enemies killed. Skip to RELAX mode");
// Return from this function. This avoids spawning another enemy before entering RELAX mode.
return;
}
// If there are less enemies spawned than the current epoch permits, keep spawning enemies until the max is reached.
if (enemyMob.EnemyCount < epochSettings.maxEnemies)
{
// If at least '1/buildUpSpawnRate' seconds have passed since the last enemy was spawned, it is time to spawn another enemy. Note that
// 'epochSettings.buildUpSpawnRate' enemies should be spawned every second.
if ((Time.time - lastEnemySpawnTime) >= (1 / epochSettings.buildUpSpawnRate))
{
// Spawn a new enemy in the level. The difficulty setting and 'maxEnemyWorth' is directly proportional to the current epoch number
enemySpawner.SpawnEnemy(epoch, epoch, enemyMob);
Debug.LogWarning("Spawn an enemy");
// Update the time at which the last enemy was spawned.
lastEnemySpawnTime = Time.time;
// Increment the number of enemies spawned this epoch.
enemiesSpawned++;
}
}
// If the game's intensity has reached the peak intensity threshold, sustain this peak before ramping down again
if (gameIntensity >= epochSettings.peakIntensityThreshold)
{
// Sustain the peak intensity threshold for 'sustainPeakDuration' and then ramp down the intensity
intensityMode = IntensityMode.SustainPeak;
Debug.LogWarning("Enter SUSTAIN PEAK mode");
}
}
