【Unity脚本】游戏开发常用功能——双击键盘跑步/快步

迈不过友情╰ 2023-06-08 14:58 9阅读 0赞

using System.Collections;
    using System.Collections.Generic;
    using UnityEngine;
    /// <summary>
    /// Author：圈毛君
    /// MoveController：2019/10/18 20:50
    /// </summary>
    public class PlayerController : MonoBehaviour
    {
        public float walkSpeed = 3.0f;         // 步行速度
        public float runSpeed = 5.0f;          // 跑步速度
        public float pressInterval = 0.5f;     // 双击按键的有效时间间隔
        public float exStepDistance = 3.0f;    // 瞬步距离
    
        private Rigidbody2D rgb;
        private SpriteRenderer sr;
        private Color originColor;
        private float pressATime;              // 按下A键时间
        private float pressDTime;
        private float releaseATime = .0f;      // 松开A键时间
        private float releaseDTime = .0f;
    
        private void Awake()
        {
            rgb = this.GetComponent<Rigidbody2D>();
            sr = this.GetComponent<SpriteRenderer>();
            originColor = sr.color;
        }
    
        private void Start()
        {
            
        }
    
        private void Update()
        {
            MoveController();                           // 移动控制
        }
    
        public void MoveController()
        {
            if (Input.GetKeyUp(KeyCode.A))              // 不能||D，否则快速AD也算双击有效时间
            {
                releaseATime = Time.time;
                sr.color = originColor;
                rgb.velocity = new Vector2(0, 0);       // Stop
            }
    
            if (Input.GetKeyUp(KeyCode.D))
            {
                releaseDTime = Time.time;
                sr.color = originColor;
                rgb.velocity = new Vector2(0, 0);
            }
    
            if (Input.GetKey(KeyCode.A))
            {
                pressATime = Time.time;
                if(pressATime - releaseATime <= pressInterval)
                {
                    rgb.velocity = new Vector2(-runSpeed, 0);       // 跑步
                    sr.color = new Color(1, 0, 0);
                    releaseATime = Time.time;                       // 跑步状态中要持续更新松键时间
                }
                else
                    rgb.velocity = new Vector2(-walkSpeed, 0);      // 步行
            }
    
            if (Input.GetKey(KeyCode.D))
            {
                pressDTime = Time.time;
                if (pressDTime - releaseDTime <= pressInterval)
                {
                    rgb.velocity = new Vector2(runSpeed, 0);
                    sr.color = new Color(1, 0, 0);
                    releaseDTime = Time.time;
                }
                else
                    rgb.velocity = new Vector2(walkSpeed, 0);
            }
        }
    }