From cc55520a19043a7b4870858e962fa3e20c46bc39 Mon Sep 17 00:00:00 2001
From: chai <215380520@qq.com>
Date: Thu, 14 Mar 2024 11:43:40 +0800
Subject: *misc

---
 _Debug/SimpleMoveCamera.cs | 139 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 _Debug/SimpleMoveCamera.cs

(limited to '_Debug/SimpleMoveCamera.cs')

diff --git a/_Debug/SimpleMoveCamera.cs b/_Debug/SimpleMoveCamera.cs
new file mode 100644
index 0000000..35a7360
--- /dev/null
+++ b/_Debug/SimpleMoveCamera.cs
@@ -0,0 +1,139 @@
+
+using UnityEngine;
+/// <summary>
+/// A simple free camera to be added to a Unity game object.
+/// 
+/// Keys:
+///	wasd / arrows	- movement
+///	q/e 			- up/down (local space)
+///	r/f 			- up/down (world space)
+///	pageup/pagedown	- up/down (world space)
+///	hold shift		- enable fast movement mode
+///	right mouse  	- enable free look
+///	mouse			- free look / rotation
+///     
+/// </summary>
+public class SimpleMoveCamera : MonoBehaviour
+{
+    /// <summary>
+    /// Normal speed of camera movement.
+    /// </summary>
+    public float movementSpeed = 10f;
+
+    /// <summary>
+    /// Speed of camera movement when shift is held down,
+    /// </summary>
+    public float fastMovementSpeed = 100f;
+
+    /// <summary>
+    /// Sensitivity for free look.
+    /// </summary>
+    public float freeLookSensitivity = 3f;
+
+    /// <summary>
+    /// Amount to zoom the camera when using the mouse wheel.
+    /// </summary>
+    public float zoomSensitivity = 10f;
+
+    /// <summary>
+    /// Amount to zoom the camera when using the mouse wheel (fast mode).
+    /// </summary>
+    public float fastZoomSensitivity = 50f;
+
+    /// <summary>
+    /// Set to true when free looking (on right mouse button).
+    /// </summary>
+    private bool looking = false;
+
+    void Update()
+    {
+        var fastMode = Input.GetKey(KeyCode.LeftShift) || Input.GetKey(KeyCode.RightShift);
+        var movementSpeed = fastMode ? this.fastMovementSpeed : this.movementSpeed;
+
+        if (Input.GetKey(KeyCode.H) || Input.GetKey(KeyCode.LeftArrow))
+        {
+            transform.position = transform.position + (-transform.right * movementSpeed * Time.deltaTime);
+        }
+
+        if (Input.GetKey(KeyCode.K) || Input.GetKey(KeyCode.RightArrow))
+        {
+            transform.position = transform.position + (transform.right * movementSpeed * Time.deltaTime);
+        }
+
+        if (Input.GetKey(KeyCode.U) || Input.GetKey(KeyCode.UpArrow))
+        {
+            transform.position = transform.position + (transform.forward * movementSpeed * Time.deltaTime);
+        }
+
+        if (Input.GetKey(KeyCode.J) || Input.GetKey(KeyCode.DownArrow))
+        {
+            transform.position = transform.position + (-transform.forward * movementSpeed * Time.deltaTime);
+        }
+        if (Input.GetKey(KeyCode.Q))
+        {
+            transform.position = transform.position + (transform.up * movementSpeed * Time.deltaTime);
+        }
+        if (Input.GetKey(KeyCode.E))
+        {
+            transform.position = transform.position + (-transform.up * movementSpeed * Time.deltaTime);
+        }
+
+        if (Input.GetKey(KeyCode.R) || Input.GetKey(KeyCode.PageUp))
+        {
+            transform.position = transform.position + (Vector3.up * movementSpeed * Time.deltaTime);
+        }
+
+        if (Input.GetKey(KeyCode.F) || Input.GetKey(KeyCode.PageDown))
+        {
+            transform.position = transform.position + (-Vector3.up * movementSpeed * Time.deltaTime);
+        }
+
+        if (looking)
+        {
+            float newRotationX = transform.localEulerAngles.y + Input.GetAxis("Mouse X") * freeLookSensitivity;
+            float newRotationY = transform.localEulerAngles.x - Input.GetAxis("Mouse Y") * freeLookSensitivity;
+            transform.localEulerAngles = new Vector3(newRotationY, newRotationX, 0f);
+        }
+
+        float axis = Input.GetAxis("Mouse ScrollWheel");
+        if (axis != 0)
+        {
+            var zoomSensitivity = fastMode ? this.fastZoomSensitivity : this.zoomSensitivity;
+            transform.position = transform.position + transform.forward * axis * zoomSensitivity;
+        }
+
+        if (Input.GetKeyDown(KeyCode.Mouse1))
+        {
+            StartLooking();
+        }
+        else if (Input.GetKeyUp(KeyCode.Mouse1))
+        {
+            StopLooking();
+        }
+    }
+
+    void OnDisable()
+    {
+        StopLooking();
+    }
+
+    /// <summary>
+    /// Enable free looking.
+    /// </summary>
+    public void StartLooking()
+    {
+        looking = true;
+        Cursor.visible = false;
+        Cursor.lockState = CursorLockMode.Locked;
+    }
+
+    /// <summary>
+    /// Disable free looking.
+    /// </summary>
+    public void StopLooking()
+    {
+        looking = false;
+        Cursor.visible = true;
+        Cursor.lockState = CursorLockMode.None;
+    }
+}
\ No newline at end of file
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