一个是通过W、A、S、D来移动人物（示例一），另个是按屏幕上的按钮来移动人物（示例二）。很简单，只改了几行代码。

下面是“Assets”文件夹里面的资源。

示例一：

using System.Collections;using System.Collections.Generic;using UnityEngine; public class E3_07keyboard : MonoBehaviour{ //动画数组 private Object[] animUp; private Object[] animDown; private Object[] animLeft; private Object[] animRight; //地图贴图 private Texture2D map; //当前人物动画 private Object[] tex; //人物X坐标 private int x; //人物Y坐标 private int y; //帧序列 private int nowFram; //动画帧的总数 private int mFrameCount; //限制一秒多少帧 private float fps = 5; //限制帧的时间 private float time = 0; void Start() { //得到帧动画中的所有图片资源 animUp = Resources.LoadAll("up"); animDown = Resources.LoadAll("down"); animLeft = Resources.LoadAll("left"); animRight = Resources.LoadAll("right"); //得到地图资源 map = (Texture2D)Resources.Load("map/map"); //设置默认动画 tex = animUp; } void OnGUI() { //绘制贴图 GUI.DrawTexture(new Rect(0, 0, Screen.width, Screen.height), map, ScaleMode.StretchToFill, true, 0); //绘制帧动画 DrawAnimation(tex, new Rect(x, y, 32, 48)); //点击按钮移动人物 if (Input.GetKey(KeyCode.W)) { y -= 2; tex = animUp; } if (Input.GetKey(KeyCode.S)) { y += 2; tex = animDown; } if (Input.GetKey(KeyCode.A)) { x -= 2; tex = animLeft; } if (Input.GetKey(KeyCode.D)) { x += 2; tex = animRight; } } void DrawAnimation(Object[] tex, Rect rect) { //绘制当前帧 GUI.DrawTexture(rect, (Texture)tex[nowFram], ScaleMode.StretchToFill, true, 0); //计算限制帧时间 time += Time.deltaTime; //超过限制帧则切换图片 if (time >= 1.0 / fps) { //帧序列切换 nowFram++; //限制帧清空 time = 0; //超过帧动画总数从第0帧开始 if (nowFram >= tex.Length) { nowFram = 0; } } }}

示例二

using System.Collections;using System.Collections.Generic;using UnityEngine; public class E3_07button : MonoBehaviour{ //动画数组 private Object[] animUp; private Object[] animDown; private Object[] animLeft; private Object[] animRight; //地图贴图 private Texture2D map; //当前人物动画 private Object[] tex; //人物X坐标 private int x; //人物Y坐标 private int y; //帧序列 private int nowFram; //动画帧的总数 private int mFrameCount; //限制一秒多少帧 private float fps = 5; //限制帧的时间 private float time = 0; void Start() { //得到帧动画中的所有图片资源 animUp = Resources.LoadAll("up"); animDown = Resources.LoadAll("down"); animLeft = Resources.LoadAll("left"); animRight = Resources.LoadAll("right"); //得到地图资源 map = (Texture2D)Resources.Load("map/map"); //设置默认动画 tex = animUp; } void OnGUI() { //绘制贴图 GUI.DrawTexture(new Rect(0, 0, Screen.width, Screen.height), map, ScaleMode.StretchToFill, true, 0); //绘制帧动画 DrawAnimation(tex, new Rect(x, y, 32, 48)); //点击按钮移动人物 if (GUILayout.RepeatButton("向上")) { y -= 2; tex = animUp; } if (GUILayout.RepeatButton("向下")) { y += 2; tex = animDown; } if (GUILayout.RepeatButton("向左")) { x -= 2; tex = animLeft; } if (GUILayout.RepeatButton("向右")) { x += 2; tex = animRight; } } void DrawAnimation(Object[] tex, Rect rect) { //绘制当前帧 GUI.DrawTexture(rect, (Texture)tex[nowFram], ScaleMode.StretchToFill, true, 0); //计算限制帧时间 time += Time.deltaTime; //超过限制帧则切换图片 if (time >= 1.0 / fps) { //帧序列切换 nowFram++; //限制帧清空 time = 0; //超过帧动画总数从第0帧开始 if (nowFram >= tex.Length) { nowFram = 0; } } }}

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