V3.0 追加控制模式，改进代码

追加控制模式，实现鼠标在地图中的坐标映射
追加控制UI
Todo：
游戏流程修改
游戏State对应修改

Assets/Script/Play/MouseSelector.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class MouseSelector : MonoBehaviour
+{
+    // Update is called once per frame
+    void Update()
+    {
+        if (Input.GetMouseButtonDown(1))
+        {
+            // shoot raycast from mainCamera center to mousepositon
+
+
+        }
+    }
+}

Assets/Script/Play/MouseSelector.cs.meta

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Assets/Script/Play/PlayerCamera.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class PlayerCamera : MonoBehaviour
+{
+    public float normalSpeed = 0.035f;
+    public float shiftSpeed = 0.06f;
+    public float zoomSpeed = -10.0f;
+    public float rotateSpeed = 0.1f;
+
+    public float maxHeight = 40f;
+    public float minHeight = 6f;
+
+    public Vector2 startMouseP;
+    public Vector2 dragMouseP;
+
+    private float speed;
+    // Start is called before the first frame update
+    void Start()
+    {
+        
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        // shift to speed UP
+        if (Input.GetKey(KeyCode.LeftShift))
+        {
+            speed = shiftSpeed;
+            zoomSpeed = 20.0f;
+        }
+        else
+        {
+            speed = normalSpeed;
+            zoomSpeed = 10.0f;
+        }
+
+        float hsp = transform.position.y * speed * Input.GetAxis("Horizontal"); // horizontal movement speed
+        float vsp = transform.position.y * speed * Input.GetAxis("Vertical"); // vertical movement speed
+        float scrollSp = Mathf.Log(transform.position.y) * -zoomSpeed * Input.GetAxis("Mouse ScrollWheel"); // scroll speed
+
+        // camera height limit
+        if (transform.position.y + scrollSp > maxHeight)
+        {
+            scrollSp = maxHeight - transform.position.y;
+        }
+        else if (transform.position.y + scrollSp < minHeight)
+        {
+            scrollSp = minHeight - transform.position.y;
+        }
+/*        if((transform.position.y <= maxHeight) && (scrollSp > 0))
+        {
+            scrollSp = 0;
+        }else if((transform.position.y >= minHeight)&& (scrollSp < 0))
+        {
+            scrollSp = 0;
+        }
+        if((transform.position.y + scrollSp) > maxHeight)
+        {
+            scrollSp = maxHeight - transform.position.y;
+        }else if((transform.position.y + scrollSp) < minHeight)
+        {
+            scrollSp = minHeight - transform.position.y;
+        }*/
+
+        Vector3 verticalMove = new Vector3(0,scrollSp,0); // vertical movement
+        Vector3 lateralMove = hsp * transform.right; // lateral movement in global world ignore camera facing
+        Vector3 fowardMove = transform.forward; // forward movement in global world ignore camera facing
+        fowardMove.y = 0; // ignore y axis
+        fowardMove = vsp * fowardMove.normalized; // normalize the vector
+
+        Vector3 move = verticalMove + lateralMove + fowardMove; // total movement
+
+        transform.position += move; // move the camera
+
+        cameraRotation();
+
+    }
+
+    void cameraRotation()
+    {
+        // camera rotation while press middle mousebutton
+        if(Input.GetMouseButtonDown(2))
+        {
+            startMouseP = Input.mousePosition;
+        }
+
+        if (Input.GetMouseButton(2))
+        {
+            dragMouseP = Input.mousePosition;
+
+            float dx = (dragMouseP - startMouseP).x * rotateSpeed;
+            float dy = (dragMouseP - startMouseP).y * rotateSpeed;
+
+            transform.rotation *= Quaternion.Euler(new Vector3(0, dx, 0));
+            transform.GetChild(0).rotation *= Quaternion.Euler(new Vector3(-dy, 0, 0));
+
+            startMouseP = dragMouseP;
+        }
+        
+    }
+}

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