Added water boss damage/danger and boss music.

Assets/script/Boss.cs

@@ -4,7 +4,9 @@ using System.Collections;
 public class Boss : MonoBehaviour {
 
     private Rigidbody2D rb;
-    public float speed = 1f;
+    public float speed = 75f;
+    public float dangerSpeedMultiplier = 2f;
+    public int dangerTheshold = 10;
     public GameObject[] waypoints;
     private Transform currentWaypoint;
     public float distanceThreshold = 0.5f;
@@ -17,9 +19,13 @@ public class Boss : MonoBehaviour {
     public GameObject diety;
     public Color damageColor;
     public float damageColorSpeed = 8;
+    public Color dangerColor;
     private SpriteRenderer sr;
     private Animator animator;
 
+    public AudioClip bossMusic;
+    private AudioSource bgm;
+
     GameObject player;
 
     private bool triggered = false;
@@ -34,6 +40,7 @@ public class Boss : MonoBehaviour {
         player = GameObject.FindGameObjectWithTag("Player");
         PickWaypoint();
         rb.isKinematic = true;
+        bgm = Camera.main.GetComponentInChildren<AudioSource>();
     }
 	
 	// Update is called once per frame
@@ -43,18 +50,24 @@ public class Boss : MonoBehaviour {
                 PickWaypoint();
             } else {
                 Vector2 dir = currentWaypoint.position - transform.position;
-                Vector2 force = new Vector2(dir.x, dir.y) * speed;
-                rb.AddForce(Vector2.ClampMagnitude(force, speed));
+                Vector2 force = new Vector2(dir.x, dir.y) * speed * (health < dangerTheshold ? dangerSpeedMultiplier : 1);
+                rb.AddForce(Vector2.ClampMagnitude(force, speed * (health < dangerTheshold ? dangerSpeedMultiplier : 1)));
             }
         }
         
         if(Time.time > lastAttack) {
-            lastAttack = Time.time + attackCooldown + Random.Range(0, attackRandom);
+            lastAttack = Time.time + (attackCooldown + Random.Range(0, attackRandom)) / (health < dangerTheshold ? dangerSpeedMultiplier : 1);
             StartCoroutine(Attack());
         }
 
-        sr.color = Color.Lerp(sr.color, Color.white, Time.deltaTime * damageColorSpeed);
+        // Set color
+        sr.color = Color.Lerp(sr.color, (health < dangerTheshold ? dangerColor : Color.white), Time.deltaTime * damageColorSpeed);
+
         if(Vector2.Distance(player.transform.position, transform.position) < triggerDist) {
+            if (!triggered) {
+                bgm.clip = bossMusic;
+                bgm.Play();
+            }
             triggered = true;
             animator.SetBool("Moving", true);
             rb.isKinematic = false;
@@ -76,7 +89,7 @@ public class Boss : MonoBehaviour {
 
     void GetHit(int amount) {
         if (triggered) {
-            health -= health;
+            health -= amount;
             sr.color = damageColor;
             if (health <= 0) {
                 Die();
@@ -85,6 +98,7 @@ public class Boss : MonoBehaviour {
     }
 
     void Die() {
+        bgm.Stop();
         Instantiate(diety, transform.position, Quaternion.identity);
         Destroy(gameObject);
     }

Assets/sound/Water_Dungeon_Boss.wav.meta

+fileFormatVersion: 2
+guid: 85eee806e25b00c42bd485a380e2d51d
+timeCreated: 1479602249
+licenseType: Free
+AudioImporter:
+  serializedVersion: 6
+  defaultSettings:
+    loadType: 0
+    sampleRateSetting: 0
+    sampleRateOverride: 44100
+    compressionFormat: 1
+    quality: 1
+    conversionMode: 0
+  platformSettingOverrides: {}
+  forceToMono: 0
+  normalize: 1
+  preloadAudioData: 1
+  loadInBackground: 0
+  3D: 1
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: