Question

我已经写了一些代码来控制我的播放器。跳跃+跳跃动画（连同衣服和头发动画）在角色击中空格键和玩家从平台上掉落时播放。

我的双跳不起作用。我的玩家只能跳一次。谁能明白为什么这不起作用？

using UnityEngine;
using System.Collections;

public class playerController : MonoBehaviour {
    private Animator anim;
    public Vector3 moveForward = new Vector3(1,0,0); 
    private float speed = 4;
    private bool isGrounded; 
    private Rigidbody rb;


    private bool doubleJump;

    // Use this for initialization
    void Start () {
        rb = GetComponent<Rigidbody>();
        anim = GetComponent<Animator>();
        doubleJump = true;
    }

    // Update is called once per frame
    void Update ()  {
        transform.Translate(Vector3.forward * speed * Time.deltaTime);


        if(isGrounded) {

            if(Input.GetKeyDown("space")) {
                if(isGrounded) 
                {
                rb.velocity = new Vector3(10, 15, 0);
                anim.Play("rig|Character_ActionsJUMP", -1, 0f); 
                anim.Play("Dress_Armature |Jump", 1, 0f); 
                anim.Play("Hair_Armature|Jump", 0, 0f); 
                isGrounded = false;

                }

                else if (!isGrounded && doubleJump) {

                rb.velocity = new Vector3(10, 15, 0);
                anim.Play("rig|Character_ActionsJUMP", -1, 0f); 
                anim.Play("Dress_Armature |Jump", 1, 0f); 
                anim.Play("Hair_Armature|Jump", 0, 0f); 
                doubleJump = false;

                }
            }
            }
    } //endOFUpdate

    void OnCollisionEnter(Collision other) {
            if(other.gameObject.tag == "Ground") {
            isGrounded = true;
            doubleJump = true;
            anim.Play("rig|Character_Run", -1, 0f );
            anim.Play("Dress_run", 1, 0f );
            anim.Play("Hair_Armature|run", 0, 0f );
            }
    }//endOfOnCollion

    void OnCollisionExit(Collision other) {
        if(other.gameObject.tag == "Ground") {
        isGrounded = false;

        }
        if(!isGrounded) {

        anim.Play("rig|Character_ActionsJUMP", -1, 0f); 
        anim.Play("Dress_Armature |Jump", 1, 0f); 
        anim.Play("Hair_Armature|Jump", 0, 0f); 
        }
        if(isGrounded) {
        anim.Play("rig|Character_Run", -1, 0f );
        }
    }
 }

Answer 1

问题在于：

if(isGrounded) {

        if(Input.GetKeyDown("space")) {
            if(isGrounded) 
            {
            rb.velocity = new Vector3(10, 15, 0);
            anim.Play("rig|Character_ActionsJUMP", -1, 0f); 
            anim.Play("Dress_Armature |Jump", 1, 0f); 
            anim.Play("Hair_Armature|Jump", 0, 0f); 
            isGrounded = false;
            }

            else if (!isGrounded && doubleJump) {

            rb.velocity = new Vector3(10, 15, 0);
            anim.Play("rig|Character_ActionsJUMP", -1, 0f); 
            anim.Play("Dress_Armature |Jump", 1, 0f); 
            anim.Play("Hair_Armature|Jump", 0, 0f); 
            doubleJump = false;

            }
        }
        }

在此代码块中，除非它们接地，否则不要输入空格键的检查，如果我们忽略第二次检查它们是否已接地，则代码将变为此

if(isGrounded) {

    if(Input.GetKeyDown("space")) {
        if (!isGrounded && doubleJump) {

            rb.velocity = new Vector3(10, 15, 0);
            anim.Play("rig|Character_ActionsJUMP", -1, 0f); 
            anim.Play("Dress_Armature |Jump", 1, 0f); 
            anim.Play("Hair_Armature|Jump", 0, 0f); 
            doubleJump = false;

            }
        }
        }

从这里可以更容易地看到问题，最后一个如果永远无法实现，因为基础必须是真的和假

所以解决方法是删除原来的if语句，因为它是reduntant，实际上会破坏其余的代码！

因此，代码应该如下

void Update ()  {
    transform.Translate(Vector3.forward * speed * Time.deltaTime);

if(Input.GetKeyDown("space")) {
            if(isGrounded) 
            {
            rb.velocity = new Vector3(10, 15, 0);
            anim.Play("rig|Character_ActionsJUMP", -1, 0f); 
            anim.Play("Dress_Armature |Jump", 1, 0f); 
            anim.Play("Hair_Armature|Jump", 0, 0f); 
            isGrounded = false;
            }

            else if (!isGrounded && doubleJump) {

            rb.velocity = new Vector3(10, 15, 0);
            anim.Play("rig|Character_ActionsJUMP", -1, 0f); 
            anim.Play("Dress_Armature |Jump", 1, 0f); 
            anim.Play("Hair_Armature|Jump", 0, 0f); 
            doubleJump = false;

            }
        }
}

双跳不起作用

1 个答案: