unity 使用CharacterController实现人物模拟力作用的跳跃加移动方案

2024-07-04 12:11| 来源: 网络整理| 查看: 265

在做人物跳跃功能的时候发现官方的方法在视觉效果上很差，其他一些方案比如加刚体等等都效果不好，于是自己写了一个模拟力作用的跳跃算法。首先定义了5个全局变量来完成跳跃算法的实现

public float jumpSpeed = 2;//跳跃速度 public float gravity = 2;//模拟重力 public bool isJump = false;//是否在跳跃 public float jumpTime= 0.5f;//跳跃时间 public float jumpTimeFlag = 0;//累计跳跃时间用来判断是否结束跳跃

在Update()方法中实现在按下相应按键的时候改变人物状态

if(Input.GetKey(KeyCode.W)&& Input.GetKeyDown(KeyCode.Space)&& !isJump) { isJump = true; playState = PlayState.Jump; characterController.Move(transform.forward * speed*Time.deltaTime); } else if (Input.GetKey(KeyCode.W)) { isMoving = true; playState = PlayState.Moving; characterController.Move(transform.forward * speed * Time.deltaTime); } else if (Input.GetKeyDown(KeyCode.Space)&&!isJump) { isJump = true; playState = PlayState.Jump; }else { playState = PlayState.Idle; isMoving = false; }

** 如果在跳跃状态，并且当前时间没有到达跳跃时间，则持续向上移动如果到达跳跃时间，那么持续下降直到遇到地面**

if (isJump) { if (jumpTimeFlag characterController.Move(transform.up * -gravity * Time.deltaTime); } if(characterController.collisionFlags == CollisionFlags.Below) { jumpTimeFlag = 0; isJump = false; } }

在不是跳跃状态的时候使人物始终接触地面

else { if (characterController.collisionFlags != CollisionFlags.Below) characterController.Move(transform.up * -gravity * Time.deltaTime); }

附完整代码

using System.Collections; using System.Collections.Generic; using UnityEngine; public enum PlayState { Moving, Idle, Jump } public class PlayerMove : MonoBehaviour { //private PlayerDir dir; private CharacterController characterController; public float speed = 3; public float jumpSpeed = 2;//跳跃速度 public float gravity = 2;//模拟重力 public PlayState playState = PlayState.Idle; public bool isMoving = false; public bool isJump = false;//是否在跳跃 public float jumpTime= 0.5f;//跳跃时间 public float jumpTimeFlag = 0;//累计跳跃时间用来判断是否结束跳跃 private void Start() { //dir = this.GetComponent(); characterController = this.GetComponent(); } // Update is called once per frame void Update() { //float distance = Vector3.Distance(dir.GetTargetPosition(),this.transform.position); if(Input.GetKey(KeyCode.W)&& Input.GetKeyDown(KeyCode.Space)&& !isJump) { isJump = true; playState = PlayState.Jump; characterController.Move(transform.forward * speed*Time.deltaTime); } else if (Input.GetKey(KeyCode.W)) { isMoving = true; playState = PlayState.Moving; characterController.Move(transform.forward * speed * Time.deltaTime); } else if (Input.GetKeyDown(KeyCode.Space)&&!isJump) { isJump = true; playState = PlayState.Jump; }else { playState = PlayState.Idle; isMoving = false; } if (isJump) { if (jumpTimeFlag characterController.Move(transform.up * -gravity * Time.deltaTime); } if(characterController.collisionFlags == CollisionFlags.Below) { jumpTimeFlag = 0; isJump = false; } } else { if (characterController.collisionFlags != CollisionFlags.Below) characterController.Move(transform.up * -gravity * Time.deltaTime); } } }

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