UNITY2D 地图滚动DEMO

UNITY 2D开发，对地图划分为21x21=441块，改变每一块的图片加载，达到显示地图对象的目的。

不好意思，这是一种非常笨的办法。。。

核心代码：

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;
using UnityEngine.Events;
using System.Linq;public class scriptbase : MonoBehaviour {public static List<Vector4> MyGlobal ;List<Vector4> points;List<Vector4> max441;List<GameObject> list;GameObject[,] go;int map_lefttop_x, map_lefttop_y;void Start(){    //  InvokeRepeating("Do", 0, 0.1f);points = new List<Vector4>();  //1000个坐标初始化for (int i = 0; i < 1000; i++){ points.Add(new Vector4(Random.Range(0, 120), Random.Range(0, 120),i)); }max441 = new List<Vector4>();//二维数组，声明 441个GO对象go = new GameObject[21, 21];for (int i = 0; i < 20; i++){for (int j = 0; j < 20; j++){go[i,j] = new GameObject();go[i,j].transform.SetParent(GameObject.Find("Image420").transform); //挂到父物体上go[i,j].AddComponent<RectTransform>();go[i,j].AddComponent<RawImage>(); EventTriggerListener.Get(go[i,j]).onClick = OnButtonClick;//按键事件go[i, j].SetActive(false);}}}private void OnButtonClick(GameObject go){Debug.Log(go.name.ToString());GameObject.Find("Text2").GetComponent<Text>().text = "村民 ID:" + go.name.ToString();}// Update is called once per framevoid FixedUpdate(){       }void Do(){// new WaitForSeconds(0.01f);if (Input.mousePosition.y < 40 && Input.mousePosition.y > 10)//if (Input.GetKeyDown(KeyCode.UpArrow)){map_lefttop_y--;//1、查询坐标点阵数据var turemap = from Vector4 in points where Vector4.x >= map_lefttop_x && Vector4.x <= (map_lefttop_x + 20) && Vector4.y >= map_lefttop_y && Vector4.y <= (map_lefttop_y + 20) select Vector4;//2、清空原来441个点阵数据max441.Clear();//3、新坐标加到441个点中foreach (Vector4 m in turemap){Vector4 n = new Vector4();n = m;n.y = n.y - map_lefttop_y;n.x = n.x - map_lefttop_x;                max441.Add(n);}//4、屏幕对象停止for (int i = 0; i < 20; i++){for (int j = 0; j < 20; j++){go[i, j].SetActive(false);}}//5、屏幕对象活动for (int i = 0; i < 20; i++){for (int j = 0; j < 20; j++){foreach (Vector4 v in max441){if ((v.x == i) && (v.y == j)){go[i, j].GetComponent<RectTransform>().localPosition = new Vector3(20 * i, 20 * j, 0);go[i, j].GetComponent<RawImage>().texture = (Texture2D)Resources.Load("villager");go[i, j].GetComponent<RawImage>().SetNativeSize();go[i, j].SetActive(true);go[i, j].name = v.z.ToString();break;}}}}}else if (Input.mousePosition.y < 430 && Input.mousePosition.y > 410)//if (Input.GetKeyDown(KeyCode.DownArrow)){map_lefttop_y++;var turemap = from Vector4 in points where Vector4.x >= map_lefttop_x && Vector4.x <= (map_lefttop_x + 20) && Vector4.y >= map_lefttop_y && Vector4.y <= (map_lefttop_y + 20) select Vector4;max441.Clear();foreach (Vector4 m in turemap){Vector4 n = new Vector4();n = m;n.y = n.y - map_lefttop_y;n.x = n.x - map_lefttop_x;max441.Add(n);}for (int i = 0; i < 20; i++){for (int j = 0; j < 20; j++){go[i, j].SetActive(false);}}for (int i = 0; i < 20; i++){for (int j = 0; j < 20; j++){foreach (Vector4 v in max441){if ((v.x == i) && (v.y == j)){go[i, j].GetComponent<RectTransform>().localPosition = new Vector3(20 * i, 20 * j, 0);go[i, j].GetComponent<RawImage>().texture = (Texture2D)Resources.Load("villager");go[i, j].GetComponent<RawImage>().SetNativeSize();go[i, j].SetActive(true);go[i, j].name = v.z.ToString();break;}}}}}///else if (Input.mousePosition.x < 36 && Input.mousePosition.x > 16)//if (Input.GetKeyDown(KeyCode.LeftArrow)){map_lefttop_x--;var turemap = from Vector4 in points where Vector4.x >= map_lefttop_x && Vector4.x <= (map_lefttop_x + 20) && Vector4.y >= map_lefttop_y && Vector4.y <= (map_lefttop_y + 20) select Vector4;max441.Clear();foreach (Vector4 m in turemap){Vector4 n = new Vector4();n = m;n.x = n.x - map_lefttop_x;n.y = n.y - map_lefttop_y;               max441.Add(n);}for (int i = 0; i < 20; i++){for (int j = 0; j < 20; j++){go[i, j].SetActive(false);}}for (int i = 0; i < 20; i++){for (int j = 0; j < 20; j++){foreach (Vector4 v in max441){if ((v.x == i) && (v.y == j)){go[i, j].GetComponent<RectTransform>().localPosition = new Vector3(20 * i, 20 * j, 0);go[i, j].GetComponent<RawImage>().texture = (Texture2D)Resources.Load("villager");go[i, j].GetComponent<RawImage>().SetNativeSize();go[i, j].SetActive(true);go[i, j].name = v.z.ToString();break;}}}}}///else if ( Input.mousePosition.x<420 && Input.mousePosition.x>400  ) //if (Input.GetKeyDown(KeyCode.RightArrow)){map_lefttop_x++;var turemap = from Vector4 in points where Vector4.x >= map_lefttop_x && Vector4.x <= (map_lefttop_x + 20) && Vector4.y >= map_lefttop_y && Vector4.y <= (map_lefttop_y + 20) select Vector4;max441.Clear();foreach (Vector4 m in turemap){Vector4 n = new Vector4();n = m;n.x= n.x - map_lefttop_x;n.y = n.y - map_lefttop_y;               max441.Add(n);                }     for (int i = 0; i < 20; i++){for (int j = 0; j < 20; j++){go[i, j].SetActive(false);}}for (int i = 0; i < 20; i++){for (int j = 0; j < 20; j++){foreach(Vector4 v in max441 ){if ((v.x == i) && (v.y == j)){go[i, j].GetComponent<RectTransform>().localPosition = new Vector3(20 * i, 20 * j, 0);go[i, j].GetComponent<RawImage>().texture = (Texture2D)Resources.Load("villager");go[i, j].GetComponent<RawImage>().SetNativeSize();go[i, j].SetActive(true);go[i, j].name = v.z.ToString();break;                       }                   }}            }}GameObject.Find("Textmouse").GetComponent<Text>().text = map_lefttop_x + "," + map_lefttop_y;//  GameObject.Find("Textmouse").GetComponent<Text>().text = Input.mousePosition.ToString(); }void showpic(){}void OnGUI()
{
}}/*list = new List<GameObject>();for (int i = 0; i < 441; i++){ list.Add(new GameObject("A" + i.ToString())); }foreach (GameObject go in list){go.transform.SetParent(GameObject.Find("Image420").transform); //挂到父物体上// go.AddComponent<RectTransform>();// go.GetComponent<RectTransform>().localPosition = new Vector3(20 * Random.Range(0, 120), 20 * Random.Range(0, 120), 0);//  go.GetComponent<RectTransform>().pivot.Set(10, 10);RawImage img = go.AddComponent<RawImage>();img.texture = (Texture2D)Resources.Load("villager");img.SetNativeSize();EventTriggerListener.Get(go).onClick = OnButtonClick;//按键事件}
*/

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