C# Unity 动画

Posted 2023-04-12

【中文标题】C# Unity 动画

【英文标题】：C# Unity Animation

【发布时间】：2022-01-15 05:42:04

【问题描述】：

Unity 动画存在问题。当角色跳跃时，会播放动画，但如果角色向任一方向跳跃，则动画不会停止，带有此动画的角色会在地面上滚动。

https://ibb.co/hLKmK6W

using System.Collections;
using System.Collections.Generic;
using UnityEngine;


public class PlayerMovent : MonoBehaviour

    public GameObject player;
    public float speed = 10f;
    private Rigidbody2D rb;
    public int jump = 350 ;
    Animator animation;
    private bool inground;

    // Start is called before the first frame update
    void Start()
    
        animation = GetComponent<Animator>();
        rb = GetComponent<Rigidbody2D>();
    

    // Update is called once per frame
    void Update()
    

    
    void FixedUpdate()
    
        var moveX = Input.GetAxis("Horizontal");
        if (Input.GetKey(KeyCode.Space) && rb.velocity.y == 0)
        
            rb.AddForce(Vector2.up * jump);
            animation.SetTrigger("Jump");

        
        rb.velocity = new Vector2(moveX * speed, rb.velocity.y);
        if (animation)
        
            animation.SetBool("Run", Mathf.Abs(moveX) >= 0.1f);
        
        Vector3 charecterScale = transform.localScale;
        if (Input.GetAxis("Horizontal") < 0)
        
            charecterScale.x = -7.215315f;
        
        if (Input.GetAxis("Horizontal") > 0)
        
            charecterScale.x = 7.215315f;
        
        transform.localScale = charecterScale;
    

【参考方案1】：

解决方案是检查玩家是否接地，使用Physics2D.Raycast() 或Physics2D.OverlapCircle() 并将其作为布尔值传递给动画师，如下所示：

public float radius = .5f;
public LayerMask layermask;

Animator animation;
Rigidbody2D rb;

void Start()

    animation = GetComponent<Animator>();
    rb = GetComponent<Rigidbody2D>();


bool IsGrounded() => Physics2D.OverlapCircle(rb.position, radius, layermask);

// to visualize the circle
void OnDrawGizmosSelected()

    Gizmos.color = Color.red;
    if (rb != null) Gizmos.DrawWireSphere((Vector3)rb.position, radius);


void FixedUpdate()

    animation.SetBool("isGrounded", IsGrounded());

【参考方案2】：

您需要检查您是否已接地。此视频中有一个示例：

https://youtu.be/CSu7MWv8qEY

【讨论】：

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