1 files changed, 76 insertions, 0 deletions
diff --git a/td/Assets/Scripts/waveSpawner.cs b/td/Assets/Scripts/waveSpawner.cs
new file mode 100644
index 0000000..c3fada3
--- /dev/null
+++ b/td/Assets/Scripts/waveSpawner.cs
@@ -0,0 +1,76 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class waveSpawner : MonoBehaviour {
+
+	public static int EnemiesAlive = 0;
+
+	public Wave[] waves;
+
+	public Transform spawnPoint;
+
+	public float timeBetweenWaves = 5f;
+	private float countdown = 2f;
+
+	public Text waveCountdownText;
+
+
+	private int waveIndex = 0;
+
+	void Update ()
+	{
+		if (EnemiesAlive > 0)
+		{
+			return;
+		}
+
+		if (waveIndex == waves.Length)
+		{
+			// WIN LEVEL!!!
+			this.enabled = false;
+		}
+
+		if (countdown <= 0f)
+		{
+			StartCoroutine(SpawnWave());
+			countdown = timeBetweenWaves;
+			return;
+		}
+
+		countdown -= Time.deltaTime;
+
+		countdown = Mathf.Clamp(countdown, 0f, Mathf.Infinity);
+
+		//waveCountdownText.text = string.Format("{0:00.00}", countdown);
+	}
+
+	IEnumerator SpawnWave ()
+	{
+		Wave wave = waves[waveIndex];
+
+		EnemiesAlive = wave.count;
+
+		for (int i = 0; i < wave.count; i++)
+		{
+			SpawnEnemy(wave.enemy);
+			yield return new WaitForSeconds(1f / wave.rate);
+		}
+
+		waveIndex++;
+	}
+
+	void SpawnEnemy (GameObject enemy)
+	{
+		Instantiate(enemy, spawnPoint.position, spawnPoint.rotation);
+	}
+
+}
+
+[System.Serializable]
+public class Wave {
+	public GameObject enemy;
+	public int count;
+	public float rate;
+}
+\ No newline at end of file