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using UnityEngine; using System.Collections; public class PlayerController1 : MonoBehaviour { public GameObject circlePrefab; //光圈预制体,需要提前准备好 private GameObject currentCircle; //当前生成的光圈 private Vector3 targetPos; //目标位置 private bo...

以下是修改后的代码,主要修改了注释和一些变量名:

using UnityEngine;
using System.Collections;

public class PlayerController : MonoBehaviour
{
    public GameObject circlePrefab; // 光圈预制体,需要提前准备好
    private GameObject currentCircle; // 当前生成的光圈
    private Vector3 targetPosition; // 目标位置
    private bool facingRight = true; // 是否面向右侧

    Coroutine currentCoroutine;

    void Update()
    {
        if (Input.touchCount > 0) // 检测是否有触摸事件发生
        {
            Touch touch = Input.GetTouch(0); // 获取第一个触点的信息

            switch (touch.phase)
            {
                case TouchPhase.Began:
                    Vector2 touchPosition = Camera.main.ScreenToWorldPoint(touch.position);
                    Collider2D hitCollider = Physics2D.OverlapPoint(touchPosition);

                    if (hitCollider != null && hitCollider.gameObject.CompareTag("Player")) // 如果触摸到角色,则在角色脚下生成光圈,并返回,不进行移动操作
                        return;
                    else
                        currentCircle = Instantiate(circlePrefab, transform.position, Quaternion.identity);
                    break;

                case TouchPhase.Moved:
                    if (currentCircle != null) // 如果有光圈,则在手指移动的位置生成另外一个光圈(不移动角色)
                    {
                        Vector3 touchPos = Camera.main.ScreenToWorldPoint(touch.position); // 将屏幕坐标转换为世界坐标
                        touchPos.z = 0;
                        currentCircle.transform.position = touchPos;
                    }
                    break;

                case TouchPhase.Ended:
                case TouchPhase.Canceled:
                    if (currentCircle != null)
                        Destroy(currentCircle);

                    Vector2 touchPosition = Camera.main.ScreenToWorldPoint(touch.position);
                    Collider2D col = GetComponent<Collider2D>();

                    if (col == Physics2D.OverlapPoint(touchPosition)) // 如果结束时还在角色身上,则直接返回,不进行移动操作
                        return;

                    targetPosition = touchPosition; // 将屏幕坐标转换为世界坐标,作为目标位置

                    if (currentCoroutine != null)
                        StopCoroutine(currentCoroutine);

                    currentCoroutine = StartCoroutine(MoveToTarget());
                    break;
            }
        }
    }

    IEnumerator MoveToTarget()
    {
        float moveSpeed = 5f; // 固定速度为5米/秒
        float bufferDistance = 0.1f; // 缓冲距离为0.1米
        Vector3 targetDirection;

        while (Vector3.Distance(transform.position, targetPosition) > bufferDistance)
        {
            targetDirection = (targetPosition - transform.position).normalized; // 计算目标方向
            if (targetDirection.x > 0 && !facingRight)
            {
                Flip();
            }
            else if (targetDirection.x < 0 && facingRight)
            {
                Flip();
            }

            if (Vector3.Distance(transform.position, targetPosition) < moveSpeed * Time.deltaTime)
            {
                transform.position = targetPosition;
                yield break;
            }

            transform.position = Vector3.MoveTowards(transform.position, targetPosition, moveSpeed * Time.deltaTime);

            yield return null;
        }
    }

    void Flip()
    {
        facingRight = !facingRight;

        Vector3 scale = transform.localScale;
        scale.x *= -1;
        transform.localScale = scale;
    }
}

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