129 lines
3.2 KiB
C#
129 lines
3.2 KiB
C#
using UnityEngine;
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using UnityEngine.UI;
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public class RotateAndScale : MonoBehaviour
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{
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[Header("旋转设置")]
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public float rotationSpeed = 0.2f; // 旋转速度
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private bool isRotating = false;
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private Vector3 lastMousePos;
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[Header("拖拽设置")]
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public float dragSpeed = 0.01f;
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private bool isDragging = false;
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[Header("缩放设置")]
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public float scaleSpeed = 0.5f; // 缩放速度
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public float minScale = 0.1f; // 最小缩放
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[Header("复位按钮")]
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public Button resetButton;
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// 初始状态记录
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private Vector3 initialPosition;
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private Quaternion initialRotation;
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private Vector3 initialScale;
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private void Start()
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{
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// 记录初始状态
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initialPosition = transform.position;
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initialRotation = transform.rotation;
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initialScale = transform.localScale;
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if (resetButton != null)
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{
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resetButton.onClick.RemoveAllListeners();
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resetButton.onClick.AddListener(ResetTransform);
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}
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}
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private void Update()
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{
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HandleRotation();
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HandleDragging();
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HandleScaling();
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}
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// 页面重新进入时调用，重置输入状态
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public void ResetInput()
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{
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isRotating = false;
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isDragging = false;
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}
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private void HandleRotation()
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{
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if (Input.GetMouseButtonDown(1))
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{
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isRotating = true;
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lastMousePos = Input.mousePosition;
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}
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if (Input.GetMouseButtonUp(1))
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{
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isRotating = false;
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}
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if (isRotating)
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{
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Vector3 delta = Input.mousePosition - lastMousePos;
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// 根据鼠标移动旋转：横向控制 Y 轴，纵向控制 X 轴
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float rotationX = delta.y * rotationSpeed;
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float rotationY = -delta.x * rotationSpeed;
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transform.Rotate(Vector3.up, rotationY, Space.World);
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transform.Rotate(Vector3.right, rotationX, Space.World);
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lastMousePos = Input.mousePosition;
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}
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}
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private void HandleDragging()
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{
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if (Input.GetMouseButtonDown(0))
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{
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isDragging = true;
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lastMousePos = Input.mousePosition;
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}
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if (Input.GetMouseButtonUp(0))
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{
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isDragging = false;
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}
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if (isDragging)
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{
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Vector3 delta = Input.mousePosition - lastMousePos;
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transform.Translate(new Vector3(delta.x, delta.y, 0) * dragSpeed, Space.World);
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lastMousePos = Input.mousePosition;
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}
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}
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private void HandleScaling()
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{
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float scroll = Input.mouseScrollDelta.y;
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if (Mathf.Abs(scroll) > 0f)
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{
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Vector3 newScale = transform.localScale + Vector3.one * scroll * scaleSpeed;
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newScale.x = Mathf.Max(newScale.x, minScale);
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newScale.y = Mathf.Max(newScale.y, minScale);
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newScale.z = Mathf.Max(newScale.z, minScale);
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transform.localScale = newScale;
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}
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}
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/// <summary>
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/// 点击复位按钮时调用
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/// </summary>
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public void ResetTransform()
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{
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transform.position = initialPosition;
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transform.rotation = initialRotation;
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transform.localScale = initialScale;
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ResetInput(); // 同时清除鼠标输入状态
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}
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}
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