finish dash + breakable refactor

Assets/Scripts/Birb/Dash.cs

@@ -7,13 +7,15 @@ using UnityEngine;
 
 public class Dash : AbstractBehavior {
 
-    private float lastDash;
     public float coolDown = 1f;
     public float dashforce = 5;
     public float holdTime = 0.4f;
-    public float minVelocity = 0.5f;
+    public float minVelocity = 0.5f;
+
     private bool _isDashing = false;
     private Transform dashMeter;
+	 private float lastDash;
+	 private CircleCollider2D collider;
 
     // Call to check if currently dashing
     public bool isDashing
@@ -27,6 +29,7 @@ public class Dash : AbstractBehavior {
 
     void Start() {
         dashMeter = GameObject.FindGameObjectWithTag("DashMeter").transform;
+		  collider = GetComponent<CircleCollider2D>();
     }
 
 	void Update() {
@@ -60,6 +63,9 @@ public class Dash : AbstractBehavior {
         float initialGrav = body.gravityScale;
         body.gravityScale = 0;
 
+		  // results for circle cast
+		  RaycastHit2D[] results = new RaycastHit2D[8];
+
         // Decelerate
         for (float i = 0; i < holdTime; i += Time.deltaTime) {
             // Calculate velocity
@@ -72,6 +78,19 @@ public class Dash : AbstractBehavior {
 
             // Apply velocity
             body.velocity = targetVel;
+
+				float checkDistance = body.velocity.magnitude * Time.deltaTime;
+
+				// check for breakable in front
+				int resultCount = Physics2D.CircleCastNonAlloc(body.position, collider.radius, body.velocity, results, checkDistance);
+				for (int r = 0; r < resultCount; r ++) {
+					RaycastHit2D result = results[r];
+					Breakable breakable = result.collider.GetComponent<Breakable>();
+					if (breakable != null && breakable.breakOnPlayerDash) {
+						breakable.Break();
+					}
+				}
+
             // Wait
             yield return new WaitForEndOfFrame();
         }

Assets/Scripts/DashBreakable.cs.meta → Assets/Scripts/Breakable.cs.meta

 fileFormatVersion: 2
-guid: 3a07c26186d61461d8bb2547dfa73f32
-timeCreated: 1487898154
+guid: 5e257b3931afd45bf902bc96e4c29208
+timeCreated: 1487900567
 licenseType: Free
 MonoImporter:
   serializedVersion: 2