101 lines
3.2 KiB
C#
101 lines
3.2 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class ModelController : MonoBehaviour
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{
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public Transform imgModel;
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public GameObject model; // 要交互的模型
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public Transform cameraTransform;
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public float rotateSpeed = 2f; // 旋转速度
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public float scaleSpeed = 0.1f; // 缩放速度
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public float maxScale = 5f;
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public float minScale = 1f;
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public static bool CanControl = true;
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private Vector3 oldPosition;
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private Vector3 oldRotation;
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// 旋转使用变量
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Vector3 mPrevPos = Vector3.zero;
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Vector3 mPosDelta = Vector3.zero;
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// 缩放使用变量
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Vector2 finger1Position;
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Vector2 finger2Position;
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float scroll;
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float currentScale = 1f;
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Vector3 tmpPos;
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bool isTouchDown;
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bool isFirst = true;
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float x, y;
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private void Update()
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{
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if (!ModelPlayerEx.Instance.IsDetailShow && CanControl &&
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model != null && ModelPlayerEx.Instance.ModelSeted)
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{
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if (Input.GetMouseButton(0) || (Input.touchCount == 1 && Input.GetTouch(0).phase == TouchPhase.Moved))
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{
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//if (isFirst)
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//{
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// isFirst = false;
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// mPrevPos = Input.mousePosition;
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//}
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//mPrevPos = Input.mousePosition;
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//mPosDelta = Input.mousePosition - mPrevPos;
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x = Input.GetAxis("Mouse X") * rotateSpeed;
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y = Input.GetAxis("Mouse Y") * rotateSpeed;
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model.transform.Rotate(Camera.main.transform.up, -x * rotateSpeed, Space.World);
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model.transform.Rotate(Camera.main.transform.right, y * rotateSpeed, Space.World);
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}
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//mPrevPos = Input.mousePosition;
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if (Input.touchCount == 2)
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{
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Touch touch1 = Input.GetTouch(0);
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Touch touch2 = Input.GetTouch(1);
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// 更新手指位置
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finger1Position = touch1.position;
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finger2Position = touch2.position;
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// 计算当前手指距离和上一帧手指距离的差值，来计算缩放比例
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float distance = Vector2.Distance(finger1Position, finger2Position);
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float previousDistance = Vector2.Distance(finger1Position - touch1.deltaPosition, finger2Position - touch2.deltaPosition);
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scroll = (previousDistance - distance) / 5f;
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}
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else
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{
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scroll = Input.GetAxis("Mouse ScrollWheel");
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}
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if (scroll >= 0.1f)
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{
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currentScale *= (1f + scaleSpeed);
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if (currentScale > maxScale)
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currentScale = maxScale;
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//model.transform.localScale = Vector3.one * currentScale;
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imgModel.transform.localScale = Vector3.one * currentScale;
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}
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else if (scroll <= -0.1f)
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{
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currentScale /= (1f + scaleSpeed);
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if (currentScale < minScale)
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currentScale = minScale;
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//model.transform.localScale = Vector3.one * currentScale;
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imgModel.transform.localScale = Vector3.one * currentScale;
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}
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}
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}
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}
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