add doug to dialogue, start grandma quest

Assets/Scripts/Tools/Ballgun.cs

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+using UnityEngine;
+
+public class Ballgun : Tool
+{
+    [Header("Ball Gun Parameters")]
+    public float shootForce = 10;
+    public GameObject ball;
+    public float ballLifeTime = 5;
+
+    public override void Use()
+    {
+        GameObject newBall = Instantiate(ball);
+        newBall.transform.position = transform.position;
+
+        Vector3 direction = transform.forward * shootForce;
+        direction += GameManager.Instance.GetPlayerController().GetVelocity();
+
+        newBall.GetComponent<Rigidbody>().AddForce(direction, ForceMode.Impulse);
+
+        Destroy(newBall, ballLifeTime);
+    }
+
+    public override void UseAlt()
+    {
+        throw new System.NotImplementedException();
+    }
+}

Assets/Scripts/Tools/Ballgun.cs.meta

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+fileFormatVersion: 2
+guid: 8adaf1de0b489444189e21893ccde9b5