小地图的实现与远近景的切换(小地图的主要作用是观察队友的大概位置)

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/// <summary>/// Minimap camera./// This script use to control minimap camera/// </summary>using UnityEngine;using System.Collections;public class MinimapCamera : MonoBehaviour {public static int zoomLevel; //zoom levelpublic static MinimapCamera Instance; //declare this to global script//Private variableprivate int zoomCurrent;[HideInInspector]public Transform Target;void Start(){//Setting Default Value//zoomLevel与zoomCurrent 控制小地图视角的缩放zoomLevel = 3;zoomCurrent = zoomLevel;//实现摄像机跟随主角Instance = this;GameObject hero;hero = GameObject.FindGameObjectWithTag("Player");//Target 为Player Target = hero.GetComponent<Transform>();}// Update is called once per framevoid Update () {//Follow player//摄像机获取player的坐标，实现小地图的摄像机跟随效果；transform.position = new Vector3(Target.position.x,transform.position.y,Target.position.z);ZoomManage ();}//控制小地图的最大和最小缩放程度；void ZoomManage (){//Check zoom limit// 当zoomLevel 小于0时，将其&#;设为0，控制在最小缩放的&#;为0if(zoomLevel < 0){zoomLevel = 0;}else if(zoomLevel > 4){zoomLevel = 4;}}//通过zoomLevel&#;得大小来控制小地图视角大小的缩放，当zoomLevel小于zoomCurrent时，说明地图要缩小，此时相机的orthographicSize&#;要增加；public void ZoomUpdate(){if(zoomLevel < zoomCurrent){this.GetComponent<Camera>().orthographicSize &#;= 3;zoomCurrent = zoomLevel;}else// 当zoomLevel大于zoomCurrent时，说明地图要放大，此时相机的orthographicSize&#;要缩小；if(zoomLevel > zoomCurrent){this.GetComponent<Camera>().orthographicSize -= 3;zoomCurrent = zoomLevel;}}}

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/// <summary>/// Minimap./// This script use to call minimap on top-right screen/// </summary>using UnityEngine;using System.Collections;public class Minimap : MonoBehaviour {private Vector2 defaultScreenRes; //Screen Resolution[System.Serializable]public class GUISetting{public Vector2 position;public Vector2 size;public Texture2D[] texture;}[System.Serializable]public class LabelSetting{public Vector2 position;public GUIStyle labelStyle;}[System.Serializable]public class MinimapSetting{public Vector2 position;public Vector2 size;public Texture texture;public Material renderMaterial;}[System.Serializable]public class ButtonSetting{public Vector2 position;public Vector2 size;public GUIStyle buttonStlye;}public GUISetting frameMap,mapNameBar; //GUI settingpublic MinimapSetting minimap; //Minimap settingpublic LabelSetting mapName; //Map name setting//引用 ButtonSetting 类，所有的图标都在 ButtonSetting里实实例化，在这个类里加载到界面；public ButtonSetting zoomInBt,zoomOutBt; //button setting// Use this for initializationvoid Start () {defaultScreenRes.x = ; //declare max screen ratiodefaultScreenRes.y = ; //declare max screen ratio}void OnGUI (){if(!GameSetting.Instance.hideMinimap){// Resize GUI Matrix according to screen size ResizeGUIMatrix();//Draw MinimapGraphics.DrawTexture(new Rect(minimap.position.x,minimap.position.y,minimap.size.x ,minimap.size.y),minimap.texture,minimap.renderMaterial);//Draw MinimapFrameGUI.DrawTexture(new Rect(frameMap.position.x,frameMap.position.y,frameMap.size.x,frameMap.size.y),frameMap.texture[0]);//Draw Map name barGUI.DrawTexture(new Rect(mapNameBar.position.x,mapNameBar.position.y,mapNameBar.size.x,mapNameBar.size.y),mapNameBar.texture[0]);TextFilter.DrawOutline(new Rect(mapName.position.x ,mapName.position.y, , ),Application.loadedLevelName,mapName.labelStyle,Color.black,Color.white,2f);//Draw zoom in button//GUI.Button():Make a single press button. The user clicks them and something happens immediately.if(GUI.Button(new Rect(zoomInBt.position.x,zoomInBt.position.y,zoomInBt.size.x,zoomInBt.size.y),"",zoomInBt.buttonStlye)){MinimapCamera.zoomLevel&#;&#;;MinimapCamera.Instance.ZoomUpdate();}//Draw zoom out buttonif(GUI.Button(new Rect(zoomOutBt.position.x,zoomOutBt.position.y,zoomOutBt.size.x,zoomOutBt.size.y),"",zoomOutBt.buttonStlye)){ //zoomLevel 减小，小地图视角要缩小；MinimapCamera.zoomLevel--;MinimapCamera.Instance.ZoomUpdate();}// Reset matrix after finish GUI.matrix = Matrix4x4.identity;}else{this.enabled = false;}}void ResizeGUIMatrix() { // Set matrix Vector2 ratio = new Vector2(Screen.width/defaultScreenRes.x , Screen.height/defaultScreenRes.y ); Matrix4x4 guiMatrix = Matrix4x4.identity; guiMatrix.SetTRS(new Vector3(1, 1, 1), Quaternion.identity, new Vector3(ratio.x, ratio.y, 1)); GUI.matrix = guiMatrix; }}

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