Tools（三）——CollsionDetection

目录为：Assets/Scripts/Tools/Editor,CollsionDetection.cs如其名，这个文件里面的函数就是用于创建碰撞体。

using UnityEngine; using System.Collections;using System.Collections.Generic;using System.IO;using System; public class CollsionDetection:MonoBehaviour{    public Transform obj;    void Start()    {    }    void Update()    {    }    /// <summary>    /// Creates the block file.    /// </summary>    /// <param name="map_width">Map_width.</param>    /// <param name="map_height">Map_height.</param>    /// <param name="fileName">File name.</param>    /// <param name="layer_name">Layer_name.</param>     //map_height和map_width定义的矩形里的点，把有碰撞的地方都测出来(排除layer_name的layer层物体)，然后保存到文件    //感觉这个函数像是为寻路做准备的,要具体看看在哪里有用到    public static void  CreateTxtFile( float map_width, float map_height, string fileName, string layer_name )    {        byte tag = 0;        //layermask，可以google一下用法        int layer = 1 << LayerMask.NameToLayer(layer_name);         //  string filePath = "E:\\"+fileName+".dat";         FileStream fs = new FileStream (fileName, FileMode.OpenOrCreate, FileAccess.Write);         BinaryWriter bw = new BinaryWriter (fs);         for(int i = 0;i < map_height;i++)        {             for(int j = 0;j < map_width;j++)            {                float a =  Convert.ToSingle(j / 2.00f + 0.25f);                          float b =Convert.ToSingle(i / 2.00f + 0.25f);                        Vector3 pos = new Vector3(a,66.00f,b);                //这个函数检查pos为球心，0.2f为半径的球范围内，是否发生collider碰撞，不检测layer层物体的碰撞                bool isBunker = Physics.CheckSphere(pos,0.2f,layer);                 if(isBunker || (i == 0 && j == 0) || ((i == map_height -1) && (j == map_width -1)) )                {                    tag = 1;                }                else                {                    tag = 0;                }                if(i == 0 && j == 0)                {                    tag = 1;                }                 bw.Write(tag);             }         }         fs.Close ();        bw.Close ();    }    //和上面有点类似    public static void SetCollisionBuf(int map_width, int map_height,string layer_name ,out byte [] buf)    {        Debug.Log("map_width  " + map_width + " height " + map_height);        int layer = 1 << LayerMask.NameToLayer(layer_name);             byte tag = 0;        buf = new byte[map_width * map_height];        for(int i = 0;i < map_height;i++)        {             for(int j = 0;j < map_width;j++)            {                float a =  Convert.ToSingle(j + 0.5f);                           float b = Convert.ToSingle(i + 0.5f);                        Vector3 pos = new Vector3(a,66.00f,b);                bool isBunker = Physics.CheckSphere(pos,0.5f,layer);                 if(isBunker)                {                    tag = 1;                }                else                {                    tag = 0;                }                buf[j+i*map_width] = tag;                //if ((j + i * map_width) % 10 == 0)                //{                //    Debug.Log(tag);                //}            }         }         buf [0] = 1;        buf [map_width * map_height -1] = 1;    }        #region 创建碰撞体    //如其名，是真的在创建碰撞体    public static void createCollsionObject( float map_width, float map_height, string layer_name )    {         //Created BY Run ----Start------------        int tag = 0;        int layer = 1 << LayerMask.NameToLayer(layer_name);        GameObject obj_parent = UnityEngine.Object.Instantiate (Resources.Load ("Cube/Cubebb"), Vector3.zero, Quaternion.identity) as GameObject;         for(int i = 0;i < map_height;i++)        {            for(int j = 0;j < map_width;j++)            {                float a =  Convert.ToSingle(j / 2.00f + 0.25f);                          float b =Convert.ToSingle(i / 2.00f + 0.25f);                        Vector3 pos = new Vector3(a,66.00f,b);                bool isBunker = Physics.CheckSphere(pos,0.2f,layer);                if(i == 0 && j < 5)                {                    tag = 1;                }                 if(isBunker)                {                    tag = 1;                    GameObject tobj = UnityEngine.Object.Instantiate(Resources.Load("Cube/Cubebb") , pos , Quaternion.identity) as GameObject;                    tobj.transform.parent = obj_parent.transform;                 }                else                {                    tag = 0;                }               }        }    }    #endregion}