【UnityFPS射击游戏】(1)制作FPS角色控制器方法①

2023-04-02 00:06| 来源: 网络整理| 查看: 265

使用Rigbody&Capsule Collider制作FPS角色控制器

1.1鼠标控制视角在X轴，Y轴旋转

通过鼠标移动视角的代码，此代码放在相机身上

新建【FPMouseLook】脚本

private Transform cameraTransform; private Vector3 cameraRotation; //保存每一帧存储下的坐标信息 public float mouseSesitivity;//修改鼠标灵敏度 public Vector2 maxMinAngle;//限制垂直视角区域 void Start() { cameraTransform = transform; } void Update() { var mouseX = Input.GetAxis("Mouse X");//将鼠标输入的X值赋予mouseX var mouseY = Input.GetAxis("Mouse Y"); //将鼠标输入的Y值赋予mouseY cameraRotation.y += mouseX * mouseSesitivity;//Y轴想要旋转需要在X轴移动 cameraRotation.x -= mouseY * mouseSesitivity;//X轴想要旋转需要在Y轴移动 cameraRotation.x = Mathf.Clamp(cameraRotation.x, maxMinAngle.x, maxMinAngle.y);//cameraRotation.x的值控制在maxMinAngle.x和maxMinAngle.y两个值之间 cameraTransform.rotation = Quaternion.Euler(cameraRotation.x, cameraRotation.y, 0);//更新相机的旋转角度 }

1.2玩家移动的脚本

给玩家即（新建的空物体）添加此脚本，目前玩家的移动朝向不可跟随相机方向的旋转移动，锁定X，Z轴.

玩家游戏对象

锁定X、Y轴

新建【FPMovement】脚本 public class FPMovement : MonoBehaviour { private Transform myTransform; public float speed; private Rigidbody myRigbody; void Start() { myTransform = transform; myRigbody = GetComponent(); } private void FixedUpdate() { var h = Input.GetAxis("Horizontal"); var v = Input.GetAxis("Vertical"); var currentDirection= new Vector3(h, 0, v); //从自身坐标转为世界坐标 currentDirection = myTransform.TransformDirection(currentDirection); currentDirection *= speed;//当前方向乘以速度 var currentVelocity = myRigbody.velocity;//获取当前的速度 var velocityChange = currentDirection - currentVelocity;//得出需要以多少的速度进行行走 velocityChange.y = 0;//不需要计算y轴的数值 myRigbody.AddForce(velocityChange, ForceMode.VelocityChange);//添加力到刚体，让它随之移动 } 1.3 玩家随相机旋转方向移动修改【FPMouseLook】脚本 public class FPMouseLook : MonoBehaviour { private Transform cameraTransform; [SerializeField] private Transform characterTransform;//记录玩家的位置，序列化到检视视图上或者使用public修饰 private Vector3 cameraRotation; //保存每一帧存储下的坐标信息 public float mouseSesitivity;//修改鼠标灵敏度 public Vector2 maxMinAngle;//限制垂直视角区域 void Start() { cameraTransform = transform; } void Update() { var mouseX = Input.GetAxis("Mouse X");//将鼠标输入的X值赋予mouseX var mouseY = Input.GetAxis("Mouse Y"); //将鼠标输入的Y值赋予mouseY cameraRotation.y += mouseX * mouseSesitivity;//Y轴想要旋转需要在X轴移动 cameraRotation.x -= mouseY * mouseSesitivity;//X轴想要旋转需要在Y轴移动 cameraRotation.x = Mathf.Clamp(cameraRotation.x, maxMinAngle.x, maxMinAngle.y);//cameraRotation.x的值控制在maxMinAngle.x和maxMinAngle.y两个值之间 cameraTransform.rotation = Quaternion.Euler(cameraRotation.x, cameraRotation.y, 0);//更新相机的旋转角度 characterTransform.rotation = Quaternion.Euler(0, cameraRotation.y, 0);//只需改变玩家旋转角度的Y值 } }

至此可以进行第一人称正常移动

1.4 控制玩家才地面才可移动，实现玩家跳跃的功能修改【FPMovement】脚本 public class FPMovement : MonoBehaviour { private Transform myTransform; public float speed; public float gravity;//定义一个重力，自己赋值 public float jumpHeight;//定义跳跃的高度 private Rigidbody myRigbody; private bool isGrounded;//判断是否玩家触地 void Start() { myTransform = transform; myRigbody = GetComponent(); } private void FixedUpdate() { if (isGrounded) { var h = Input.GetAxis("Horizontal"); var v = Input.GetAxis("Vertical"); var currentDirection = new Vector3(h, 0, v); //从自身坐标转为世界坐标 currentDirection = myTransform.TransformDirection(currentDirection); currentDirection *= speed;//当前方向乘以速度 var currentVelocity = myRigbody.velocity;//获取当前的速度 var velocityChange = currentDirection - currentVelocity;//得出需要以多少的速度进行行走 velocityChange.y = 0;//不需要计算y轴的数值 myRigbody.AddForce(velocityChange, ForceMode.VelocityChange);//添加力到刚体，让它随之移动 if (Input.GetButtonDown("Jump"))//判断是否摁下跳跃键 { myRigbody.velocity = new Vector3(currentVelocity.x, JumpHeightSpeed(), currentVelocity.z);//跳跃，玩家坐标的x与z轴均使用自身坐标，y轴为自己写的方法 } } myRigbody.AddForce(new Vector3(0, -gravity * myRigbody.mass, 0));//如果未触地，则下坠 } private float JumpHeightSpeed()//返回平方根，其数值作为玩家跳跃的y轴的值 { return Mathf.Sqrt(2 * gravity * jumpHeight); } private void OnCollisionStay(Collision collision) { isGrounded = true; } private void OnCollisionExit(Collision collision) { isGrounded = false; } }

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