Unity Finger touch and move
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using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class WalkPad : MonoBehaviour
{
[SerializeField]
public GameObject touchpad;
private Renderer m_renderer;
//public Mapbox.Unity.Map.AbstractMap map;
public GameObject cam;
public float movingSpeed;
public float movingSpeedFoward;
/// <summary>
/// Reference to the managers of the hands.
/// First item is left hand, second item is right hand
/// </summary>
private OVRHand[] m_hands;
/// <summary>
/// True if an index tip is inside the cube, false otherwise.
/// First item is left hand, second item is right hand
/// </summary>
private bool[] m_isIndexStaying;
// Start is called before the first frame update
void Start()
{
//取得物件
m_renderer = GetComponent<Renderer>();
m_hands = new OVRHand[]
{
GameObject.Find("OVRCameraRig/TrackingSpace/LeftHandAnchor/OVRHandPrefab").GetComponent<OVRHand>(),
GameObject.Find("OVRCameraRig/TrackingSpace/RightHandAnchor/OVRHandPrefab").GetComponent<OVRHand>()
};
//表示還沒有碰撞到
m_isIndexStaying = new bool[2] { false, false };
//設定 is trigger 好像會穿透
//we don't want the cube to move over collision, so let's just use a trigger
GetComponent<Collider>().isTrigger = true;
}
// Update is called once per frame
void Update()
{
//right hand
//偵測右手的中指掐，觸發後讓地圖移動一點
if (m_hands[1].GetFingerIsPinching(OVRHand.HandFinger.Middle))
{
//movingCameraForward();
movingCameraLeft();
}
//偵測右手的食指掐，觸發後讓地圖移動一點
if (m_hands[1].GetFingerIsPinching(OVRHand.HandFinger.Index))
{
//update the position
//movingCameraBackward();
movingCameraRight();
}
//偵測左手的中指掐，觸發後讓地圖移動一點
if (m_hands[0].GetFingerIsPinching(OVRHand.HandFinger.Middle))
{
//movingCameraForward();
movingCameraUpward();
}
//偵測左手的食指掐，觸發後讓地圖移動一點
if (m_hands[0].GetFingerIsPinching(OVRHand.HandFinger.Index))
{
//update the position
//movingCameraBackward();
movingCameraDownward();
}
}
private void changeVectorTogether(Vector3 changeVector)
{
cam.gameObject.transform.position += changeVector;
touchpad.transform.position += changeVector;
}
//往前移動
private void movingCameraForward()
{
//Vector3 changeVector = new Vector3(1*movingSpeed, 0, 0);
//changeVectorTogether(changeVector);
//cam.gameObject.transform.position += Vector3.forward* Time.deltaTime* movingSpeedFoward;
//touchpad.transform.position += Vector3.forward * Time.deltaTime * movingSpeedFoward;
cam.gameObject.transform.Translate(transform.forward * Time.deltaTime * movingSpeedFoward, Space.World);
touchpad.gameObject.transform.Translate(transform.forward * Time.deltaTime * movingSpeedFoward, Space.World);
//cam.gameObject.transform.forward * Time.deltaTime * movingSpeedFoward;
//touchpad.transform.position += touchpad.transform.forward * Time.deltaTime * movingSpeedFoward; ;
//cam.gameObject.transform.position += transform.forward * Time.deltaTime * movingSpeedFoward;
//touchpad.transform.position += transform.forward * Time.deltaTime * movingSpeedFoward; ;
}
//往後移動
private void movingCameraBackward()
{
//Vector3 changeVector = new Vector3(-1 * movingSpeed, 0, 0);
//changeVectorTogether(changeVector);
cam.gameObject.transform.position = Vector3.back * Time.deltaTime;
touchpad.transform.position += Vector3.back * Time.deltaTime;
}
//往上移動
private void movingCameraUpward()
{
Vector3 changeVector = new Vector3(0, 1 * movingSpeed, 0);
changeVectorTogether(changeVector);
}
//往下移動
private void movingCameraDownward()
{
Vector3 changeVector = new Vector3(0, -1 * movingSpeed, 0);
changeVectorTogether(changeVector);
}
//往左旋轉
private void movingCameraLeft()
{
cam.gameObject.transform.Rotate(new Vector3(0f, 2f, 0f));
touchpad.transform.Rotate(new Vector3(0f, 2f, 0f));
}
//往右旋轉
private void movingCameraRight()
{
cam.gameObject.transform.Rotate(new Vector3(0f, -2f, 0f));
touchpad.transform.Rotate(new Vector3(0f, -2f, 0f));
}
/// 偵測觸碰物件 Trigger enter.
/// Notice that this gameobject must have a trigger collider
private void OnTriggerEnter(Collider collider)
{
//get hand associated with trigger
int handIdx = GetIndexFingerHandId(collider);
//ps. 如果沒有觸碰到物件，回傳 -1，所以如果非 -1 代表觸碰到物件了
//if there is an associated hand, it means that an index of one of two hands is entering the object
if (handIdx != -1)
{
//食指
if(handIdx == 0)
{
movingCameraForward();
m_renderer.material.color = Color.yellow;
}
//中指
if (handIdx == 1)
{
movingCameraForward();
//movingCameraBackward();
m_renderer.material.color = Color.red;
}
//大拇指
if (handIdx == 2)
{
//movingCameraLeft();
//m_renderer.material.color = Color.green;
}
//無名指
if (handIdx == 3)
{
//movingCameraRight();
//m_renderer.material.color = Color.white;
}
m_isIndexStaying[handIdx] = true;
}
}
/// <summary>
/// Gets the hand id associated with the index finger of the collider passed as parameter, if any
/// </summary>
/// <param name="collider">Collider of interest</param>
/// <returns>0 if the collider represents the finger tip of left hand, 1 if it is the one of right hand, -1 if it is not an index fingertip</returns>
private int GetIndexFingerHandId(Collider collider)
{
//Checking Oculus code, it is possible to see that physics capsules gameobjects always end with _CapsuleCollider
if (collider.gameObject.name.Contains("_CapsuleCollider"))
{
//get the name of the bone from the name of the gameobject, and convert it to an enum value
string boneName = collider.gameObject.name.Substring(0, collider.gameObject.name.Length - 16);
OVRPlugin.BoneId boneId = (OVRPlugin.BoneId)Enum.Parse(typeof(OVRPlugin.BoneId), boneName);
//(食指) if it is the tip of the Index finger
if (boneId == OVRPlugin.BoneId.Hand_Index3)
{
//check if it is left or right hand,
//Notice that absurdly, we don't have a way to detect the type of the hand
//so we have to use the hierarchy to detect current hand
//左手
//if (collider.transform.IsChildOf(m_hands[0].transform))
//{
return 0;
//}
//右手
//else if (collider.transform.IsChildOf(m_hands[1].transform))
//{
// return 1;
//}
}
//(中指) if it is the tip of the Middle finger
if (boneId == OVRPlugin.BoneId.Hand_Middle3)
{
return 1;
//左手
//if (collider.transform.IsChildOf(m_hands[0].transform))
//{return 0;}
////右手
//else if (collider.transform.IsChildOf(m_hands[1].transform))
//{return 1;}
}
//(拇指) if it is the tip of the Middle finger
if (boneId == OVRPlugin.BoneId.Hand_Thumb3)
{
return 2;
}
//(無名指) if it is the tip of the Middle finger
if (boneId == OVRPlugin.BoneId.Hand_Ring3)
{
return 3;
}
}
//
return -1;
}
}