【自作ゲーム開発27】座標を指定して攻撃【Unity】

using Cinemachine;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.AI;

public class PlayerController : MonoBehaviour{
    static class Number {
        public const int Left = 0;
        public const int Center = 1;
        public const int Right = 2;
    }

    /// <summary>
    /// 0-Hero 1-Mage 2-Dragoon 3-Knight 4-Bishop 5-Gunner
    /// </summary>
    [SerializeField]
    private GameObject[] m_character_list = new GameObject[6];

    private Rigidbody[] m_character_body = new Rigidbody[6];
    private NavMeshAgent[] m_character_navi = new NavMeshAgent[6];
    private Animator[] m_character_animation = new Animator[6];

    [SerializeField]
    private CharacterManager m_character_script;

    [SerializeField]
    private CinemachineVirtualCamera m_character_camera;

    private GameObject m_range_object;
    private RangeSystem m_range_system;

    private GameObject m_direction_object;
    private DirectionSystem m_direction_system;

    private Vector3 m_vector3;

    private Quaternion m_rotation = Quaternion.identity;

    private const float m_turn_speed = 20.0f;

    private float m_move_speed = 0.07f;
    private float m_horizontal = 0.0f;
    private float m_vertical = 0.0f;

    private int m_character_number = 5;
    private int[] m_character_position = new int[6];

    private bool m_range_mode = false;
    private bool m_range_cancel = false;

    private bool m_direction_mode = false;
    private bool m_direction_cancel = false;

    enum STATE{
        MOVE,
        RANGE,
        DIRECTION
    }; STATE e_state;

    public void CharacterNumberInput(int[] a_number) {
        Array.Copy(a_number, m_character_position, m_character_position.Length);
    }

    private void CharacterSetting() {
        m_character_number = m_character_position[0];
        m_character_list[m_character_position[0]].transform.position = GameObject.Find("StartPositionP").transform.position;
        m_character_list[m_character_position[1]].transform.position = GameObject.Find("StartPositionL").transform.position;
        m_character_list[m_character_position[2]].transform.position = GameObject.Find("StartPositionC").transform.position;
        m_character_list[m_character_position[3]].transform.position = GameObject.Find("StartPositionR").transform.position;
        m_character_list[m_character_position[4]].transform.position = GameObject.Find("StartPositionA1").transform.position;
        m_character_list[m_character_position[5]].transform.position = GameObject.Find("StartPositionA2").transform.position;

        m_character_camera.Follow = m_character_list[m_character_number].transform;
        m_character_navi[m_character_number].enabled = false;
        m_character_body[m_character_number].useGravity = true;
        m_character_body[m_character_number].isKinematic = false;

        m_character_script.Initialize(m_character_position);
    }

    private void Start(){
        for(int l_loop = 0; l_loop < m_character_list.Length; l_loop += 1) {
            m_character_body[l_loop] = m_character_list[l_loop].GetComponent<Rigidbody>();
            m_character_navi[l_loop] = m_character_list[l_loop].GetComponent<NavMeshAgent>();
            m_character_animation[l_loop] = m_character_list[l_loop].GetComponent<Animator>();
        }

        CharacterSetting();

        m_direction_object = GameObject.Find("DirectionObject");
        m_direction_system = m_direction_object.GetComponent<DirectionSystem>();
        m_direction_system.DirectionSetting(false, this.transform);

        m_range_object = GameObject.Find("RangeObject");
        m_range_system = m_range_object.GetComponent<RangeSystem>();
        m_range_system.RangeSetting(false, this.transform.position, 0.0f);      
    }

    private void Update(){
        m_horizontal = Input.GetAxis("Horizontal"); // タスク２
        m_vertical = Input.GetAxis("Vertical"); // タスク２

        if ((Input.GetKeyDown("r")) && (!m_range_cancel) && (!m_direction_mode)) {
            m_range_mode = !m_range_mode;

            if (m_range_mode) {
                m_range_object.SetActive(m_range_mode);
                m_range_system.RangeSetting(m_range_mode, m_character_list[m_character_number].transform.position, 10.0f); // タスク３
                e_state = STATE.RANGE;
                m_character_animation[m_character_number].SetBool("animation_move", false);
            } else {
                m_range_cancel = true;    
            }
        }

        if ((Input.GetKeyDown("t")) && (m_range_mode)) m_range_system.TowerCreate(); // タスク４
        if ((Input.GetKeyDown("y")) && (m_range_mode)) m_range_system.FireCreate(); // タスク８

        if ((Input.GetKeyDown("f")) && (!m_direction_cancel) && (!m_range_mode)) {
            m_direction_mode = !m_direction_mode;

            if (m_direction_mode) {
                m_direction_object.SetActive(m_direction_mode);
                m_direction_system.DirectionSetting(m_direction_mode, m_character_list[m_character_number].transform);
                e_state = STATE.DIRECTION;
                m_character_animation[m_character_number].SetBool("animation_move", false);
            } else {
                m_direction_cancel = true;
            }
        }

        if ((Input.GetKeyDown("g")) && (m_direction_mode)) m_direction_system.AttackStart(); // タスク５

        if (Input.GetKeyDown("1")) m_character_script.AttackerCommand(1, Number.Left); // タスク６
        if (Input.GetKeyDown("2")) m_character_script.AttackerCommand(1, Number.Center); // タスク６
        if (Input.GetKeyDown("3")) m_character_script.AttackerCommand(1, Number.Right); // タスク６

        if (Input.GetKeyDown("8")) m_character_script.AttackerCommand(2, Number.Left); // タスク６
        if (Input.GetKeyDown("9")) m_character_script.AttackerCommand(2, Number.Center); // タスク６
        if (Input.GetKeyDown("0")) m_character_script.AttackerCommand(2, Number.Right); // タスク６
    }

    private void FixedUpdate(){
        switch(e_state){
            case STATE.MOVE:
                m_vector3.Set(m_horizontal, 0f, m_vertical);
                m_vector3.Normalize();

                bool l_horizontal_input = !Mathf.Approximately (m_horizontal, 0f);
                bool l_vertical_input = !Mathf.Approximately (m_vertical, 0f);
                bool l_move = l_horizontal_input || l_vertical_input;
                m_character_animation[m_character_number].SetBool ("animation_move", l_move);

                Vector3 l_rotation = Vector3.RotateTowards (m_character_list[m_character_number].transform.forward, m_vector3, m_turn_speed * Time.deltaTime, 0f);
                m_rotation = Quaternion.LookRotation (l_rotation);

                m_character_body[m_character_number].MovePosition (m_character_body[m_character_number].position + m_vector3 * m_move_speed);
                m_character_body[m_character_number].MoveRotation (m_rotation); 
            break;

            case STATE.RANGE:
                if ((m_range_cancel) && (m_range_system.RangeSetting(false, m_character_list[m_character_number].transform.position, 0.0f))) {
                    m_range_cancel = false;
                    e_state = STATE.MOVE;
                }
            break;

            case STATE.DIRECTION:
                this.transform.rotation = m_direction_object.transform.rotation;

                if ((m_direction_cancel) && (m_direction_system.DirectionSetting(false, m_character_list[m_character_number].transform))) {
                    m_direction_cancel = false;
                    e_state = STATE.MOVE;
                }

                break;
        }

        m_horizontal = m_vertical = 0.0f;
    }

    public void PlayerSpeedSet(float a_speed){
        m_move_speed = a_speed; // タスク１
    }
}

/*
    [規則]
    p_ 外部アクセス
    m_ メンバー変数
    l_ ローカル変数
    a_ 引数
    e_ 列挙型

    [説明]

    [バージョン]
    2020-12-30　キーボードによるプレイヤーキャラの移動実装（回転無し）
    2021-01-09　プレイヤーキャラのモデルとアニメーション反映及び回転動作
    2021-04-23　座標指定モードへの切り替えとタワーの設置
    2021-04-30　攻撃向き指定モードへの切り替えと臨時エフェクトの発生
    2021-05-19　遊撃隊へのライン変更指示追加
    2021-05-28　全ての指揮官キャラクターを操作出来るように変更
    2021-06-04　メニュー画面からのキャラクター配置を戦闘画面へ反映させる
    2021-07-01　キャラクターの初期化タイミングを位置をセットしてからに変更
    2021-07-15  座標指定攻撃の追加

    [タスク]
    タスク１　上限値の制限が必要
    タスク２　コントローラーによる動作も追加する
    タスク３　射程を制限する臨時半径
    タスク４　タワーの種類を渡す必要がある
    タスク５　攻撃の種類やステータスを渡すようにする
    タスク６　対応ボタンは臨時
    （済）タスク７　メニューシーンから渡されたデータに変更する
    タスク８　範囲攻撃の種類を渡す必要がある
*/

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

public class ColliderManager : MonoBehaviour{
    private float m_main_player_impact = 30.0f; // タスク１
    private float m_main_player_impact_damage = 100.0f; // タスク１
    private float m_main_player_skill1_damage = 50.0f; // タスク１

    public void ColliderDataInput(Collider a_collider, GameObject a_object, ref Vector3 a_vector, ref float a_damage, ref float a_stun){
        switch (a_collider.gameObject.tag) {
            case "Player":
                a_vector.Set(a_object.transform.position.x - a_collider.transform.position.x, 0f, a_object.transform.position.z - a_collider.transform.position.z);
                a_vector.Normalize();
                a_vector *= m_main_player_impact;
                a_stun = 0.0f;
                a_damage = Random.Range(m_main_player_impact_damage * 0.8f, m_main_player_impact_damage * 1.2f);
            break;

            case "Finish":
                a_vector.Set(0f, 0f, 0f);
                a_stun = 0.0f;
                a_damage = 9999.0f;
            break;

            case "PlayerSkill1":
                a_vector.Set(0f, 0f, 0f);
                a_stun = 0.0f;
                a_damage = Random.Range(m_main_player_skill1_damage * 0.8f, m_main_player_skill1_damage * 1.2f);
            break;

            case "PlayerSkill2":
                a_vector.Set(0f, 0f, 0f);
                a_stun = 3.0f;
                a_damage = 30.0f;
            break;

            case "PlayerSkill3":
                a_vector.Set(a_object.transform.position.x - a_collider.transform.position.x, 0f, a_object.transform.position.z - a_collider.transform.position.z);
                a_vector.Normalize();
                a_vector *= 60.0f;
                a_stun = 0.0f;
                a_damage = Random.Range(m_main_player_impact_damage * 0.8f, m_main_player_impact_damage * 1.2f);
            break;

            default:
                a_vector.Set(0f, 0f, 0f);
                a_stun = 0.0f;
                a_damage = 0.0f;
            break;
        }
    }

    public void MainPlayerColliderSet(float a_impact, float a_impact_damage, float a_skill1_damage){
        m_main_player_impact = a_impact;
        m_main_player_impact_damage = a_impact_damage;
        m_main_player_skill1_damage = a_skill1_damage;
    }
}

/*
    [規則]
    p_ 外部アクセス
    m_ メンバー変数
    l_ ローカル変数
    a_ 引数
    e_ 列挙型

    [説明]

    [バージョン]
    2021-01-28　吹き飛ばし機能の実装
    2021-02-03　体力システムの追加とそれに伴うコライダーの分岐
    2021-02-12　操作キャラクターのスキル１を追加
    2021-03-03　スタン動作の追加
    2021-07-15  座標指定攻撃の追加

    [タスク]
    タスク１　戦闘開始時にMainPlayerColliderSetでステータスを反映させる
    
*/

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

public class RangeSystem : MonoBehaviour {
    [SerializeField]
    private CinemachineVirtualCamera m_range_camera;

    [SerializeField]
    private ParticleSystem m_tower_effect;

    [SerializeField]
    private ParticleSystem m_explosion_effect;

    [SerializeField]
    private GameObject m_lockon_basic_tower;
    
    private Vector3 m_vector3;
    private Vector3 m_center_position;
    private Rigidbody m_rigidbody;
    private CapsuleCollider m_hit_collider;

    private float m_range_area;
    private float m_move_speed = 0.1f;
    private float m_horizontal = 0.0f;
    private float m_vertical = 0.0f;

    private bool m_range_mode = false;
    private bool m_execution_play = false;

    private void Start() {
        m_rigidbody = GetComponent<Rigidbody>();
        m_hit_collider = GetComponent<CapsuleCollider>();
    }

    private void Update() {
        m_horizontal = Input.GetAxis("Horizontal"); // タスク２
        m_vertical = Input.GetAxis("Vertical"); // タスク２
    }

    private void FixedUpdate() {
        if ((m_range_mode) && (!m_execution_play)) {
            m_vector3.Set(m_horizontal, 0f, m_vertical);
            m_vector3.Normalize();

            if (Vector3.Distance(m_center_position, m_rigidbody.position + m_vector3 * m_move_speed) > m_range_area) {
                Vector3 l_position = m_rigidbody.transform.position + m_vector3 * m_move_speed - m_center_position;
                m_rigidbody.position = m_center_position + l_position.normalized * m_range_area;
            } else {
                m_rigidbody.MovePosition(m_rigidbody.position + m_vector3 * m_move_speed);
            }

            m_horizontal = m_vertical = 0.0f;
        }
    }

    public bool RangeSetting(bool a_state, Vector3 a_center, float a_area) {
        if (m_execution_play) return false;

        m_range_mode = a_state;

        if (a_state) {
            m_center_position = this.transform.position = a_center;
            m_range_area = a_area;
            m_range_camera.Priority = 20;
        } else {
            m_range_camera.Priority = 0;
            this.gameObject.SetActive(false);
        }

        return true;
    }

    public void TowerCreate() { // タスク１
        if (!m_execution_play) {
            m_execution_play = true;
            StartCoroutine("RangePlay");
        }
    }

    IEnumerator RangePlay() {
        m_tower_effect.Play();
        var l_instance = Instantiate(m_lockon_basic_tower, m_rigidbody.position, Quaternion.Euler(0, 0, 0)); // タスク２
        yield return new WaitForSeconds(2.0f);
        m_execution_play = false;
    }

    public void FireCreate() {
        if (!m_execution_play) {
            m_execution_play = true;
            this.tag = "PlayerSkill3";
            m_explosion_effect.Play(); // タスク３
            StartCoroutine("FirePlay");
        }
    }

    IEnumerator FirePlay() {
        // タスク４
        yield return new WaitForSeconds(1.8f);
        m_hit_collider.enabled = true;
        yield return new WaitForSeconds(0.2f);
        m_hit_collider.enabled = false;
        yield return new WaitForSeconds(0.8f);
        m_explosion_effect.Stop();
        m_execution_play = false;
        this.tag = "Untagged";
        yield break;
    }
}

/*
    [規則]
    p_ 外部アクセス
    m_ メンバー変数
    l_ ローカル変数
    a_ 引数
    e_ 列挙型

    [説明]

    [バージョン]
    2021-04-23　移動制限とタワー設置機能
    2021-07-15　座標指定攻撃の追加

    [タスク]
    タスク１　引数の番号でタワーを選択出来るようにする
    タスク２　固定のタワーではなく指定されたタワーのオブジェクトとする
    タスク３　引数の番号で範囲攻撃を選択出来るようにする
    タスク４　固定の範囲攻撃ではなく範囲攻撃や秒数を指定出来るようにする
*/

case "PlayerSkill3":
    a_vector.Set(a_object.transform.position.x - a_collider.transform.position.x, 0f, a_object.transform.position.z - a_collider.transform.position.z);
    a_vector.Normalize();
    a_vector *= 60.0f;
    a_stun = 0.0f;
    a_damage = Random.Range(m_main_player_impact_damage * 0.8f, m_main_player_impact_damage * 1.2f);
break;