*

Assets/Scripts/FollowCamera.cs

@@ -0,0 +1,50 @@
+using UnityEngine;
+using System.Collections;
+
+
+public class FollowCamera : MonoBehaviour {
+	public GameObject target;
+	public float minOffset = 0.5f;
+	public float maxOffset = 2.5f;
+	public float zenith;
+	public float azimuth;
+	public float mouseSpeed = 0.1f;
+	private float offset;
+
+	[Range (-(Mathf.PI * 0.5f), Mathf.PI * 0.5f)]
+	public float minZenith = -(Mathf.PI * 0.5f);
+	[Range (-(Mathf.PI * 0.5f), Mathf.PI * 0.5f)]
+	public float maxZenith = Mathf.PI * 0.5f;
+
+	/*[Range (-(Mathf.PI * 0.5f), Mathf.PI * 0.5f)]
+	public float minAzimuth = -(Mathf.PI * 0.5f);
+	[Range (-(Mathf.PI * 0.5f), Mathf.PI * 0.5f)]
+	public float maxAzimuth = Mathf.PI * 0.5f;*/
+
+
+	public bool mouseInput = true;
+	private SphericalCoordinate direction = new SphericalCoordinate();
+
+	void Start () {
+		offset = minOffset;
+	}
+
+	void Update () {
+		if (target != null && camera != null) {
+			offset = Mathf.Clamp(offset, minOffset, maxOffset);
+
+			if(mouseInput){
+				zenith += Input.GetAxis ("Mouse Y") * mouseSpeed;
+				azimuth -= Input.GetAxis ("Mouse X") * mouseSpeed;
+			}
+
+			zenith = Mathf.Clamp(zenith, minZenith, maxZenith);
+
+			direction.ElevationAngle = zenith;
+			direction.PolarAngle = azimuth;
+
+			camera.transform.position = target.transform.position + direction.Cartesian * offset;
+			camera.transform.LookAt (target.transform);
+		}
+	}
+}