56 lines
1.4 KiB
C#
56 lines
1.4 KiB
C#
using UnityEngine;
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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 float lastMouseX;
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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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private void Update()
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{
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HandleRotation();
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HandleScaling();
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}
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private void HandleRotation()
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{
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// 按住左键开始旋转
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if (Input.GetMouseButtonDown(0))
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{
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isRotating = true;
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lastMouseX = Input.mousePosition.x;
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}
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if (Input.GetMouseButtonUp(0))
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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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float deltaX = Input.mousePosition.x - lastMouseX;
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transform.Rotate(0f, -deltaX * rotationSpeed, 0f, Space.World); // 反方向旋转
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lastMouseX = Input.mousePosition.x;
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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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// 只限制最小值
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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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}
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