c# - 阻止玩家乱用会导致故障的移动键

Question

我用 C# 编写了播放器移动脚本。每当玩家按下 A 或 D 时，它会将他/她向左或向右移动 12 个单位，当玩家按下 W 或 S 时，它会将他/她向上或向下移动 12 个单位。我的脚本运行良好，但如果有人开始一次向所有按键发送垃圾邮件，它就会出现故障，玩家对象不再符合关卡。我想让脚本在按键上执行移动之前检查当前是否正在发生移动。这是我的脚本:

void Update () {

    transform.Translate(Vector3.forward * ForwardSpeed * Time.deltaTime);

    if (Input.GetKeyDown (KeyCode.A) && side > maxSideLeft) {
        MoveObjectTo(this.transform, new Vector3(this.transform.position.x - 12, this.transform.position.y, this.transform.position.z + 10), movementSpeed);
        side -= 1;
    } else if (Input.GetKeyDown (KeyCode.D) && side < maxSideRight) {
        MoveObjectTo(this.transform, new Vector3(this.transform.position.x + 12, this.transform.position.y, this.transform.position.z + 10), movementSpeed);
        side += 1;
    }

    if (Input.GetKeyDown (KeyCode.W) && level < maxLevelHeight) {
        MoveObjectTo(this.transform, new Vector3(this.transform.position.x, this.transform.position.y + 12, this.transform.position.z + 10), movementSpeed);
        level += 1;
    } else if (Input.GetKeyDown (KeyCode.S) && level > minLevelHeight) {
        MoveObjectTo(this.transform, new Vector3(this.transform.position.x, this.transform.position.y - 12, this.transform.position.z + 10), movementSpeed);
        level -= 1;
    }

    if (Input.GetKeyDown (KeyCode.R) || Input.GetKeyDown(KeyCode.Space)) {
        SceneManager.LoadScene ("Scene1");
        Time.timeScale = 1;
    }
}


private void MoveObjectTo(Transform objectToMove, Vector3 targetPosition, float moveSpeed)
{
    StopCoroutine(MoveObject(objectToMove, targetPosition, moveSpeed));
    StartCoroutine(MoveObject(objectToMove, targetPosition, moveSpeed));
}

public static IEnumerator MoveObject(Transform objectToMove, Vector3 targetPosition, float moveSpeed)
{
    float currentProgress = 0;
    Vector3 cashedObjectPosition = objectToMove.transform.position;

    while (currentProgress <= 1)
    {
        currentProgress += moveSpeed * Time.deltaTime;

        objectToMove.position = Vector3.Lerp(cashedObjectPosition, targetPosition, currentProgress);

        yield return null;
    }
}

Answer 1

您可以为此使用一个简单的 isMoving 变量。如果变量为 true，则不要移动。如果为 false，则移动。当协程完成运行时，将 isMoving 设置回 false。另外，我不知道为什么 MoveObject 函数是 static。我从中删除了 static 关键字。

bool isMoving = false;

void Update()
{

    transform.Translate(Vector3.forward * ForwardSpeed * Time.deltaTime);

    if (Input.GetKeyDown(KeyCode.A) && side > maxSideLeft)
    {
        MoveObjectTo(this.transform, new Vector3(this.transform.position.x - 12, this.transform.position.y, this.transform.position.z + 10), movementSpeed);
        side -= 1;
    }
    else if (Input.GetKeyDown(KeyCode.D) && side < maxSideRight)
    {
        MoveObjectTo(this.transform, new Vector3(this.transform.position.x + 12, this.transform.position.y, this.transform.position.z + 10), movementSpeed);
        side += 1;
    }

    if (Input.GetKeyDown(KeyCode.W) && level < maxLevelHeight)
    {
        MoveObjectTo(this.transform, new Vector3(this.transform.position.x, this.transform.position.y + 12, this.transform.position.z + 10), movementSpeed);
        level += 1;
    }
    else if (Input.GetKeyDown(KeyCode.S) && level > minLevelHeight)
    {
        MoveObjectTo(this.transform, new Vector3(this.transform.position.x, this.transform.position.y - 12, this.transform.position.z + 10), movementSpeed);
        level -= 1;
    }

    if (Input.GetKeyDown(KeyCode.R) || Input.GetKeyDown(KeyCode.Space))
    {
        SceneManager.LoadScene("Scene1");
        Time.timeScale = 1;
    }
}


private void MoveObjectTo(Transform objectToMove, Vector3 targetPosition, float moveSpeed)
{
    //Don't do anything Object is already moving
    if (isMoving)
    {
        return;
    }
    //If not moving set isMoving to true
    isMoving = true;
    StartCoroutine(MoveObject(objectToMove, targetPosition, moveSpeed));
}

public IEnumerator MoveObject(Transform objectToMove, Vector3 targetPosition, float moveSpeed)
{
    float currentProgress = 0;
    Vector3 cashedObjectPosition = objectToMove.transform.position;

    while (currentProgress <= 1)
    {
        currentProgress += moveSpeed * Time.deltaTime;

        objectToMove.position = Vector3.Lerp(cashedObjectPosition, targetPosition, currentProgress);

        yield return null;
    }
    //Done moving. Set isMoving to false
    isMoving = false;
}