塔防类游戏 ——简单的角色合并逻辑示例

短命女 2022-12-01 15:37 218阅读 0赞

塔防类游戏 简单的角色合并逻辑示例，主要使用射线检测完成

using System.Collections;
    using System.Collections.Generic;
    using UnityEngine;
    
    public class MergeByRayCast : MonoBehaviour
    { 
        public Platform platform;
        private bool isClick = true;
        private RaycastHit hit;
    
        private void OnMouseDown()
        { 
            isClick = false;
        }
    
    //拖动时角色跟随鼠标位置移动
        private void OnMouseDrag()
        { 
            if (!isClick)
            { 
                Ray _ray = Camera.main.ScreenPointToRay(Input.mousePosition);
                bool hasHit = Physics.Raycast(_ray.origin, _ray.direction, out hit, 10000, 1 << PhysicsLayer.PLANE);
                if (hasHit)
                { 
                    Debug.Log(hit.transform.gameObject.name + "----" + hit.transform.gameObject.layer);
                    transform.position = hit.point;
                }
            }
        }
    
    //鼠标抬起时检测当前鼠标是否点在炮台上，如果是进行合并或者替换，如果不是该角色就返回原来的炮台上
        private void OnMouseUp()
        { 
            if (!isClick)
            { 
                Ray _ray = Camera.main.ScreenPointToRay(Input.mousePosition);
                bool hasHit = Physics.Raycast(_ray.origin, _ray.direction, out hit, 10000, 1 << PhysicsLayer.PLATFORM | 1 << PhysicsLayer.PLANE);
                if (hasHit)
                { 
                    Debug.Log(hit.transform.gameObject.name + "---" + hit.transform.gameObject.layer);
                    if (hit.transform.gameObject.layer == PhysicsLayer.PLATFORM)
                    { 
                        Platform _platform = hit.collider.gameObject.GetComponent<Platform>();
                        MergeByRayCast _hero = _platform.hero;
                        if (_hero != null)
                        { 
                            if(_platform.hero != this)
                            { 
                                _platform.hero = this;
                                platform.hero = null;
                                platform = _platform;
    
                                _hero.platform = null;
                                _hero.gameObject.SetActive(false);
                            }
                        }
                        else
                        { 
                            platform.hero = null;
                            _platform.hero = this;
                            platform = _platform;
    
                            transform.position = _platform.transform.position;
                        }
                    }
                }
                transform.position = platform.transform.position;
    
                isClick = true;
            }
        }
    }
    public class PhysicsLayer
    { 
        public const int PLANE = 8;
        public const int HERO = 9;
        public const int PLATFORM = 10;
    }

using System.Collections;
    using System.Collections.Generic;
    using UnityEngine;
    //非常简单的炮台类
    public class Platform : MonoBehaviour
    { 
        public MergeByRayCast hero;
    
        // Start is called before the first frame update
        void Start()
        { 
            hero.gameObject.transform.position = transform.position;
        }
    }