Boilerplate

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Assets/Scripts/GameManager.cs

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+using UnityEngine;
+using System.Collections;
+using VRStandardAssets.Utils;
+
+public class GameManager : MonoBehaviour {
+
+  private VRInteractiveItem[] m_InteractiveItems;
+  private VRInput m_VRInput;
+
+  [SerializeField] GameObject m_CameraContainer;
+  [SerializeField] float m_MovementSpeed = 3f;
+
+	// Use this for initialization
+	void Start () {
+    SetupGaze();
+    SetupMovement();
+	}
+
+  void SetupGaze() {
+    // Find items that can be interacted with via gaze
+    m_InteractiveItems = GameObject.FindObjectsOfType<VRInteractiveItem>();
+
+    // Subscribe to appropriate events on each interactable item
+    for(int i = 0; i < m_InteractiveItems.Length; i++) {
+      var item = m_InteractiveItems[i];
+      item.OnOver += delegate() { this.OnItemOver(item); };
+      item.OnOut += delegate() { this.OnItemOut(item); };
+      // Also subscribeable: OnDoubleClick, OnClick, OnDown, OnUp
+
+    }
+  }
+
+  void SetupMovement() {
+    // Find input manager
+    m_VRInput = GameObject.FindObjectOfType<VRInput>();
+
+    // This action is invoked on every single frame
+    m_VRInput.OnSwipe += this.OnSwipe;
+  }
+
+  void OnItemOver(VRInteractiveItem item) {
+    // Scale item down to half it's normal size
+    item.gameObject.transform.localScale = new Vector3(0.5f, 0.5f, 0.5f);
+  }
+
+  void OnItemOut(VRInteractiveItem item) {
+    // Scale item back up to full size
+    item.gameObject.transform.localScale = new Vector3(1f, 1f, 1f);
+  }
+
+  void OnSwipe(VRInput.SwipeDirection direction) {
+    // Only do something when we have a swipe
+    if(direction != VRInput.SwipeDirection.NONE) {
+      switch(direction) {
+        case VRInput.SwipeDirection.LEFT:
+          m_CameraContainer.transform.Translate(0, 0, m_MovementSpeed);
+          break;
+        case VRInput.SwipeDirection.RIGHT:
+          m_CameraContainer.transform.Translate(0, 0, m_MovementSpeed * -1);
+          break;
+        case VRInput.SwipeDirection.UP:
+          m_CameraContainer.transform.Translate(m_MovementSpeed * -1, 0, 0);
+          break;
+        case VRInput.SwipeDirection.DOWN:
+          m_CameraContainer.transform.Translate(m_MovementSpeed, 0, 0);
+          break;
+      }
+    }
+  }
+}

Assets/Scripts/VR Utils/MouseControlledEditorCamera.cs

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+using UnityEngine;
+using System.Collections;
+
+// Allows controlling the camera by holding down right mouse button
+// when testing from the Unity editor
+// Source: https://github.com/abrp/GazerNew
+public class MouseControlledEditorCamera : MonoBehaviour {
+
+	[SerializeField] private float m_sensitivityX = 8f;
+	[SerializeField] private float m_sensitivityY = 8f;
+	private float m_mouseHeading = 0f;
+	private float m_mousePitch = 0f;
+
+	private void Update()
+	{
+		#if UNITY_EDITOR
+		if (!(Input.GetMouseButton(1)))
+			return;
+		Vector2 delta = new Vector2(Input.GetAxis("Mouse X") * m_sensitivityX,Input.GetAxis("Mouse Y") * m_sensitivityY);
+		ChangeHeading(delta.x);
+		ChangePitch(-delta.y);
+		#endif
+	}
+
+	private void ChangeHeading(float newHeading){
+		m_mouseHeading += newHeading;
+		transform.localEulerAngles = new Vector3(m_mousePitch, m_mouseHeading, 0);
+	}
+
+	private void ChangePitch(float newPitch){
+		m_mousePitch += newPitch;
+		transform.localEulerAngles = new Vector3(m_mousePitch, m_mouseHeading, 0);
+	}
+
+}