UNITY3D学习笔记14

using UnityEngine;using System.Collections;public class Enemy : MonoBehaviour {Transform m_transform;Player m_player;NavMeshAgent m_agent;float m_movSpeed = 0.5f;// Use this for initializationvoid Start () {m_transform = this.transform;m_player = GameObject.FindGameObjectWithTag("Player").GetComponent<Player>();m_agent = GetComponent<NavMeshAgent>();m_agent.SetDestination (m_player.m_tranform.position);}void MoveTo (){float speed = m_movSpeed * Time.deltaTime;m_agent.Move(m_transform.TransformDirection((new Vector3 (0, 0, speed))));}// Update is called once per framevoid Update () {MoveTo();}}

using UnityEngine;using System.Collections;[AddComponentMenu("Game/Spawn")]public class Spawn : MonoBehaviour{    public Transform m_transform;    public Transform m_enemy;    void Awake()    {        m_transform = this.transform;    }    // 图标显示    void OnDrawGizmos()    {        Gizmos.DrawIcon(transform.position, "Node.tif");    }}

using UnityEngine;using System.Collections;[AddComponentMenu("Game/Player")]public class Player : MonoBehaviour {    // 组件    public Transform m_transform;    CharacterController m_ch;    // 角色移动速度    float m_movSpeed = 3.0f;    // 重力    float m_gravity = 2.0f;    // 摄像机    Transform m_camTransform;    // 摄像机旋转角度    Vector3 m_camRot;    // 摄像机高度    float m_camHeight = 1.4f;    // 生命值    public int m_life = 5;    //枪口transform    Transform m_muzzlepoint;    // 射击时，射线能射到的碰撞层    public LayerMask m_layer;    // 射中目标后的粒子效果    public Transform m_fx;    // 射击音效    public AudioClip m_audio;    // 射击间隔时间计时器    float m_shootTimer = 0;// Use this for initializationvoid Start () {        // 获取组件        m_transform = this.transform;        m_ch = this.GetComponent<CharacterController>();        // 获取摄像机        m_camTransform = Camera.main.transform;        // 设置摄像机初始位置        Vector3 pos = m_transform.position;        pos.y += m_camHeight;        m_camTransform.position = pos;        m_camTransform.rotation = m_transform.rotation;        m_camRot = m_camTransform.eulerAngles;        Screen.lockCursor = true;        // 查找muzzlepoint        m_muzzlepoint = m_camTransform.FindChild("M16/weapon/muzzlepoint").transform;}// Update is called once per framevoid Update () {        // 如果生命为0，什么也不做        if (m_life <= 0)            return;        Control();}    void Control()    {               //获取鼠标移动距离        float rh = Input.GetAxis("Mouse X");        float rv = Input.GetAxis("Mouse Y");        // 旋转摄像机        m_camRot.x -= rv;        m_camRot.y += rh;        m_camTransform.eulerAngles = m_camRot;        // 使主角的面向方向与摄像机一致        Vector3 camrot = m_camTransform.eulerAngles;        camrot.x = 0; camrot.z = 0;        m_transform.eulerAngles = camrot;                float xm = 0, ym = 0, zm = 0;        // 重力运动        ym -= m_gravity*Time.deltaTime;        // 上下左右运动        if (Input.GetKey(KeyCode.W)){            zm += m_movSpeed * Time.deltaTime;        }        else if (Input.GetKey(KeyCode.S)){            zm -= m_movSpeed * Time.deltaTime;        }        if (Input.GetKey(KeyCode.A)){            xm -= m_movSpeed * Time.deltaTime;        }        else if (Input.GetKey(KeyCode.D)){            xm += m_movSpeed * Time.deltaTime;        }        // 更新射击间隔时间        m_shootTimer -= Time.deltaTime;        // 鼠标左键射击        if (Input.GetMouseButton(0) && m_shootTimer<=0)        {            m_shootTimer = 0.1f;            this.audio.PlayOneShot(m_audio);            // 减少弹药，更新弹药UI            GameManager.Instance.SetAmmo(1);            // RaycastHit用来保存射线的探测结果            RaycastHit info;            // 从muzzlepoint的位置，向摄像机面向的正方向射出一根射线            // 射线只能与m_layer所指定的层碰撞            bool hit = Physics.Raycast(m_muzzlepoint.position, m_camTransform.TransformDirection(Vector3.forward), out info, 100, m_layer);            if (hit)            {                // 如果射中了tag为enemy的游戏体                if (info.transform.tag.CompareTo("enemy") == 0)                {                    Enemy enemy = info.transform.GetComponent<Enemy>();                    // 敌人减少生命                    enemy.OnDamage(1);                }                // 在射中的地方释放一个粒子效果                Instantiate(m_fx, info.point, info.transform.rotation);            }        }        //移动        m_ch.Move( m_transform.TransformDirection(new Vector3(xm, ym, zm)) );        // 使摄像机的位置与主角一致        Vector3 pos = m_transform.position;        pos.y += m_camHeight;        m_camTransform.position = pos;            }    void OnDrawGizmos()    {        Gizmos.DrawIcon(this.transform.position, "Spawn.tif");    }    // 伤害    public void OnDamage(int damage)    {        m_life -= damage;        // 更新UI        GameManager.Instance.SetLife(m_life);        // 如果生命为0，解锁鼠标显示        if (m_life <= 0)            Screen.lockCursor = false;    }}

using UnityEngine;using System.Collections;[AddComponentMenu("Game/GameManager")]public class GameManager : MonoBehaviour {    public static GameManager Instance = null;    // 游戏得分    public int m_score = 0;    // 游戏最高得分    public static int m_hiscore = 0;    // 弹药数量    public int m_ammo = 100;    // 游戏主角    Player m_player;    // UI文字    GUIText txt_ammo;    GUIText txt_hiscore;    GUIText txt_life;    GUIText txt_score;// Use this for initializationvoid Start () {        Instance = this;        // 获得主角        m_player = GameObject.FindGameObjectWithTag("Player").GetComponent<Player>();        // 获得设置的UI文字        txt_ammo = this.transform.FindChild("txt_ammo").GetComponent<GUIText>();        txt_hiscore = this.transform.FindChild("txt_hiscore").GetComponent<GUIText>();        txt_life = this.transform.FindChild("txt_life").GetComponent<GUIText>();        txt_score = this.transform.FindChild("txt_score").GetComponent<GUIText>();        txt_hiscore.text = "High Score " + m_hiscore;}    void Update()    {        if (Input.GetKeyDown(KeyCode.Escape))            Application.Quit();    }    void OnGUI()    {        if (m_player.m_life <= 0)        {            // 居中显示文字            GUI.skin.label.alignment = TextAnchor.MiddleCenter;            // 改变文字大小            GUI.skin.label.fontSize = 40;            // 显示Game Over            GUI.Label(new Rect(0, 0, Screen.width, Screen.height), "Game Over");            // 显示重新游戏按钮             GUI.skin.label.fontSize = 30;            if ( GUI.Button( new Rect( Screen.width*0.5f-150,Screen.height*0.75f,300,40),"Try again"))            {                Application.LoadLevel(Application.loadedLevelName);            }        }    }    // 更新分数    public void SetScore(int score)    {        m_score+= score;        if (m_score > m_hiscore)            m_hiscore = m_score;        txt_score.text = "Score "+m_score;        txt_hiscore.text = "High Score "+ m_hiscore;    }    // 更新弹药    public void SetAmmo(int ammo)    {        m_ammo -= ammo;        // 如果弹药为负数，重新填弹        if (m_ammo <= 0)            m_ammo = 100 - m_ammo;        txt_ammo.text = m_ammo.ToString()+"/100";    }    // 更新生命    public void SetLife(int life)    {        txt_life.text = life.ToString();    }}

using UnityEngine;using System.Collections;[AddComponentMenu("Game/EnemySpawn")]public class EnemySpawn : MonoBehaviour{    // 敌人的Prefab    public Transform m_enemy;    //生成的敌人数量    public int m_enemyCount = 0;    // 敌人的最大生成数量    public int m_maxEnemy = 3;    // 生成敌人的时间间隔    public float m_timer = 0;    protected Transform m_transform;// Use this for initializationvoid Start () {        m_transform = this.transform;}// Update is called once per framevoid Update () {        // 如果生成敌人的数量达到最大值，停止生成敌人        if (m_enemyCount >= m_maxEnemy)            return;        // 每间隔一定时间        m_timer -= Time.deltaTime;        if (m_timer <= 0)        {            m_timer = Random.value * 15.0f;            if (m_timer < 5)                m_timer = 5;            // 生成敌人            Transform obj=(Transform)Instantiate(m_enemy, m_transform.position, Quaternion.identity);            // 获取敌人的角本            Enemy enemy = obj.GetComponent<Enemy>();            // 初始化敌人            enemy.Init(this);        }}    void  OnDrawGizmos ()     {        Gizmos.DrawIcon (transform.position, "item.png", true);    }}

using UnityEngine;using System.Collections;[AddComponentMenu("Game/Enemy")]public class Enemy : MonoBehaviour {    // Transform组件    Transform m_transform;    //CharacterController m_ch;    // 动画组件    Animator m_ani;    // 寻路组件    NavMeshAgent m_agent;    // 主角    Player m_player;    // 角色移动速度    float m_movSpeed = 0.5f;    // 角色旋转速度    float m_rotSpeed = 120;    //  计时器    float m_timer=2;    // 生命值    int m_life = 15;    // 成生点    protected EnemySpawn m_spawn;// Use this for initializationvoid Start () {        // 获取组件        m_transform = this.transform;        m_ani = this.GetComponent<Animator>();        m_agent = GetComponent<NavMeshAgent>();        // 获得主角        m_player = GameObject.FindGameObjectWithTag("Player").GetComponent<Player>();}    // 初始化    public void Init(EnemySpawn spawn)    {        m_spawn = spawn;        m_spawn.m_enemyCount++;    }    // 当被销毁时    public void OnDeath()    {        //更新敌人数量        m_spawn.m_enemyCount--;        // 加100分        GameManager.Instance.SetScore(100);        // 销毁        Destroy(this.gameObject);    }// Update is called once per framevoid Update () {        // 如果主角生命为0，什么也不做        if (m_player.m_life <= 0)            return;        // 获取当前动画状态        AnimatorStateInfo stateInfo = m_ani.GetCurrentAnimatorStateInfo(0);        // 如果处于待机状态        if (stateInfo.nameHash == Animator.StringToHash("Base Layer.idle") && !m_ani.IsInTransition(0))        {            m_ani.SetBool("idle", false);            // 待机一定时间            m_timer -= Time.deltaTime;            if (m_timer > 0)                return;            // 如果距离主角小于1.5米，进入攻击动画状态            if (Vector3.Distance(m_transform.position, m_player. m_transform.position) < 1.5f)            {                m_ani.SetBool("attack", true);            }            else            {                // 重置定时器                m_timer=1;                // 设置寻路目标点                m_agent.SetDestination(m_player. m_transform.position);                // 进入跑步动画状态                m_ani.SetBool("run", true);            }        }        // 如果处于跑步状态        if (stateInfo.nameHash == Animator.StringToHash("Base Layer.run") && !m_ani.IsInTransition(0))        {            m_ani.SetBool("run", false);            // 每隔1秒重新定位主角的位置            m_timer -= Time.deltaTime;            if (m_timer < 0)            {                m_agent.SetDestination(m_player. m_transform.position);                m_timer = 1;            }             // 追向主角            MoveTo();            // 如果距离主角小于1.5米，向主角攻击            if (Vector3.Distance(m_transform.position, m_player. m_transform.position) <= 1.5f)            {  //停止寻路                m_agent.ResetPath();      // 进入攻击状态                m_ani.SetBool("attack", true);            }        }        // 如果处于攻击状态        if (stateInfo.nameHash == Animator.StringToHash("Base Layer.attack") && !m_ani.IsInTransition(0))        {                       // 面向主角            RotateTo();            m_ani.SetBool("attack", false);            // 如果攻击动画播完，重新进入待机状态            if (stateInfo.normalizedTime >= 1.0f)            {                m_ani.SetBool("idle", true);                // 重置计时器                m_timer = 2;                m_player.OnDamage(1);            }        }        // 死亡        if (stateInfo.nameHash == Animator.StringToHash("Base Layer.death") && !m_ani.IsInTransition(0))        {            if (stateInfo.normalizedTime >= 1.0f)            {                OnDeath();                          }        } }       // 转向目标点    void RotateTo()    {        // 当前角度           Vector3 oldangle = m_transform.eulerAngles;        //  获得面向主角的角度        m_transform.LookAt(m_player.m_transform);        float target = m_transform.eulerAngles.y;        // 转向主角        float speed = m_rotSpeed * Time.deltaTime;        float angle = Mathf.MoveTowardsAngle(oldangle.y, target, speed);        m_transform.eulerAngles = new Vector3(0, angle, 0);    }    // 寻路移动    void MoveTo()    {        float speed = m_movSpeed * Time.deltaTime;        m_agent.Move(m_transform.TransformDirection((new Vector3(0, 0, speed))));    }    // 伤害    public void OnDamage(int damage)    {        m_life -= damage;        // 如果生命为0，销毁自身        if (m_life <= 0)        {            m_ani.SetBool("death", true);        }    }}

using UnityEngine;using System.Collections;[AddComponentMenu("Game/AutoDestroy")]public class AutoDestroy : MonoBehaviour {    public float m_timer = 1.0f;void Update () {        m_timer -= Time.deltaTime;        if (m_timer <= 0)            Destroy(this.gameObject);}}