WIP furniture picking

2016-05-26 16:11:13 +02:00
parent 8b70a93eb1
commit c2e8ef71e7
55 changed files with 3306 additions and 45 deletions
@@ -0,0 +1,121 @@
+//====================================================================================
+//
+// Purpose: Provide basic teleportation of VR CameraRig
+//
+// This script must be attached to the [CameraRig] Prefab
+//
+// A GameObject must have the SteamVR_WorldPointer attached to it to listen for the
+// updated world position to teleport to.
+//
+//====================================================================================
+
+using UnityEngine;
+using System.Collections;
+
+public class SteamVR_BasicTeleport : MonoBehaviour {
+    public float blinkTransitionSpeed = 0.6f;
+    [Range(0f,32f)]
+    public float distanceBlinkDelay = 0f;
+    public bool headsetPositionCompensation = true;
+
+    protected int listenerInitTries = 5;
+    protected Transform eyeCamera;
+    protected bool adjustYForTerrain = false;
+
+    private float blinkPause = 0f;
+    private float fadeInTime = 0f;
+    private float maxBlinkTransitionSpeed = 1.5f;
+    private float maxBlinkDistance = 33f;
+
+    protected virtual void Start()
+    {
+        adjustYForTerrain = false;
+        InitPointerListeners();
+        eyeCamera = GameObject.FindObjectOfType<SteamVR_Camera>().GetComponent<Transform>();
+    }
+
+    protected virtual void Blink(float transitionSpeed)
+    {
+        fadeInTime = transitionSpeed;
+        SteamVR_Fade.Start(Color.black, 0);
+        Invoke("ReleaseBlink", blinkPause);
+    }
+
+    protected virtual void DoTeleport(object sender, WorldPointerEventArgs e)
+    {
+        if (e.target && e.enableTeleport)
+        {
+            Vector3 newPosition = GetNewPosition(e.destinationPosition, e.target);
+            CalculateBlinkDelay(blinkTransitionSpeed, newPosition);
+            Blink(blinkTransitionSpeed);
+            SetNewPosition(newPosition, e.target);
+        }
+    }
+
+    protected virtual void SetNewPosition(Vector3 position, Transform target)
+    {
+        this.transform.position = CheckTerrainCollision(position, target);
+    }
+
+    protected virtual Vector3 GetNewPosition(Vector3 tipPosition, Transform target)
+    {
+        float newX = (headsetPositionCompensation ? (tipPosition.x - (eyeCamera.position.x - this.transform.position.x)) : tipPosition.x);
+        float newY = this.transform.position.y;
+        float newZ = (headsetPositionCompensation ? (tipPosition.z - (eyeCamera.position.z - this.transform.position.z)) : tipPosition.z);
+
+        return new Vector3(newX, newY, newZ);
+    }
+
+    protected Vector3 CheckTerrainCollision(Vector3 position, Transform target)
+    {
+        if(adjustYForTerrain && target.GetComponent<Terrain>())
+        {
+            position.y = Terrain.activeTerrain.SampleHeight(position);
+        }
+        return position;
+    }
+
+    private void CalculateBlinkDelay(float blinkSpeed, Vector3 newPosition)
+    {
+        blinkPause = 0f;
+        if (distanceBlinkDelay > 0f)
+        {
+            float distance = Vector3.Distance(this.transform.position, newPosition);
+            blinkPause = Mathf.Clamp((distance * blinkTransitionSpeed) / (maxBlinkDistance - distanceBlinkDelay), 0, maxBlinkTransitionSpeed);
+            blinkPause = (blinkSpeed <= 0.25 ? 0f : blinkPause);
+        }
+    }
+
+    private void ReleaseBlink()
+    {
+        SteamVR_Fade.Start(Color.clear, fadeInTime);
+        fadeInTime = 0f;
+    }
+
+    private void InitPointerListeners()
+    {
+        SteamVR_WorldPointer[] worldPointers = GameObject.FindObjectsOfType<SteamVR_WorldPointer>();
+
+        // If the WorldPointer Object isn't initialised yet then retry in a quarter of a second
+        // Because the Controller is a child of the CameraRig (and the WorldPointer is usually attached
+        // to the Controller) then it is likely the WorldPointer object isn't available at start.
+        if (worldPointers.Length == 0)
+        {
+            if (listenerInitTries > 0)
+            {
+                listenerInitTries--;
+                Invoke("InitPointerListeners", 0.25f);
+            }
+            else
+            {
+                Debug.LogError("A GameObject must exist with a SteamVR_WorldPointer script attached to it");
+                return;
+            }
+        }
+
+        foreach (SteamVR_WorldPointer worldPointer in worldPointers)
+        {
+            worldPointer.WorldPointerDestinationSet += new WorldPointerEventHandler(DoTeleport);
+        }
+    }
+}