移动和待机动画

src/main/java/uno/mloluyu/desktop/GameCore.java

@@ -16,11 +16,16 @@ public class GameCore implements ApplicationListener {
     @Override
     public void create() {
         alice1.create();
+        
 
     }
 
     @Override
     public void render() {
+        Gdx.gl.glClearColor(150, 150, 150, 1);
+        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
+
+        alice1.update(Gdx.graphics.getDeltaTime());
         alice1.render();
     }
 

src/main/java/uno/mloluyu/desktop/character/Alice.java

@@ -1,112 +1,179 @@
 package uno.mloluyu.desktop.character;
 
+import uno.mloluyu.util.SimpleFormatter;
+
 import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.Input;
 import com.badlogic.gdx.graphics.Texture;
-import com.badlogic.gdx.graphics.g2d.Sprite;
+import com.badlogic.gdx.graphics.g2d.Animation;
 import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+import com.badlogic.gdx.graphics.g2d.TextureRegion;
 import com.badlogic.gdx.math.Vector2;
+import com.badlogic.gdx.utils.Array;
 
 public class Alice {
     private SpriteBatch batch;
-    private Sprite playerSprite;
-    private Texture playerTexture;
+    private Animation<TextureRegion> walkAnimation; // 行走动画
+    private Animation<TextureRegion> idleAnimation; //  idle动画
+    private TextureRegion currentFrame; // 当前显示的帧
+    private float stateTime; // 动画播放时间
+
     private String path = "character/alice/";
-    private String textureFileName = "attackAa000.png";
     private final float MOVEMENT_SPEED = 200f;
     private Vector2 position;
+    private float width; // 角色宽度
+    private float height; // 角色高度
+    private boolean isMoving = false; // 是否在移动
+    private boolean isFacingRight = true; // 是否面朝右
 
-    public void create(){
+    public void create() {
         batch = new SpriteBatch();
-        
-        // 验证文件是否存在
-        String fullPath = path + textureFileName;
-        if (!Gdx.files.internal(fullPath).exists()) {
-            Gdx.app.error("Alice", "图片文件不存在: " + fullPath);
-            Gdx.app.error("Alice", "请检查文件是否放在 assets/" + fullPath);
-            return;
-        }
-        
-        try {
-            // 加载纹理并添加错误处理
-            playerTexture = new Texture(Gdx.files.internal(fullPath));
-            Gdx.app.log("Alice", "成功加载纹理: " + fullPath);
-        } catch (Exception e) {
-            Gdx.app.error("Alice", "加载纹理失败: " + e.getMessage());
-            e.printStackTrace();
-            return;
-        }
-        
-        // 从纹理创建精灵
-        playerSprite = new Sprite(playerTexture);
-        
-        // 初始化位置向量
         position = new Vector2();
-        setSpriteToCenter(playerSprite);
-        
-        // 设置精灵的原点为中心
-        playerSprite.setOriginCenter();
+
+        // 加载动画帧
+        loadAnimations();
+
+        // 初始化位置（屏幕中心）
+        setToCenter();
     }
 
-    private void setSpriteToCenter(Sprite sprite) {
-        if (sprite == null) return; // 防止空指针
-        
-        float x = (Gdx.graphics.getWidth() - sprite.getWidth()) / 2f;
-        float y = (Gdx.graphics.getHeight() - sprite.getHeight()) / 2f;
-        sprite.setPosition(x, y);
+    /**
+     * 加载动画帧序列
+     */
+    private void loadAnimations() {
+        try {
+            // 1. 加载静止动画
+            Array<TextureRegion> idleFrames = new Array<>();
+            for (int i = 0; i < 16; i++) {
+                Texture texture = new Texture(Gdx.files.internal(path + "stand" + SimpleFormatter.addLeadingZeros(i,3) + ".png")); //文件路径
+                System.out.println(texture);
+                idleFrames.add(new TextureRegion(texture));
+            }
+           
+            idleAnimation = new Animation<>(0.1f, idleFrames, Animation.PlayMode.LOOP); // 每帧时间
+
+            // 2. 加载行走动画
+            Array<TextureRegion> walkFrames = new Array<>();
+            for (int i = 0; i < 5; i++) {
+                Texture texture = new Texture(Gdx.files.internal(path + "walkFront" + SimpleFormatter.addLeadingZeros(i,3) + ".png"));
+                System.out.println("调试代码"+texture);
+                walkFrames.add(new TextureRegion(texture));
+            }
+            walkAnimation = new Animation<>(0.1f, walkFrames, Animation.PlayMode.LOOP);
+
+            // 设置角色尺寸
+            width = idleFrames.get(0).getRegionWidth();
+            height = idleFrames.get(0).getRegionHeight();
+
+            Gdx.app.log("Alice", "动画加载成功");
+
+        } catch (Exception e) {
+            Gdx.app.error("Alice", "动画加载失败: " + e.getMessage());
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * 设置角色到屏幕中心
+     */
+    private void setToCenter() {
+        float x = (Gdx.graphics.getWidth() - width) / 2f;
+        float y = (Gdx.graphics.getHeight() - height) / 2f;
         position.set(x, y);
     }
 
+    /**
+     * 更新逻辑和动画
+     */
     public void update(float deltaTime) {
-        if (playerSprite == null) return; // 资源未加载则不更新
-        
+        if (idleAnimation == null) return;
+
+        stateTime += deltaTime;
+
+        handleMovement(deltaTime);
+
+        if (isMoving) {
+            currentFrame = walkAnimation.getKeyFrame(stateTime);
+        } else {
+            currentFrame = idleAnimation.getKeyFrame(stateTime);
+        }
+
+        if ((isFacingRight && currentFrame.isFlipX()) || 
+            (!isFacingRight && !currentFrame.isFlipX())) {
+            currentFrame.flip(true, false);
+        }
+    }
+
+    /**
+     * 处理移动逻辑
+     */
+    private void handleMovement(float deltaTime) {
         float moveX = 0;
         float moveY = 0;
+        isMoving = false;
 
+        // 方向键控制
         if (Gdx.input.isKeyPressed(Input.Keys.UP)) {
             moveY += MOVEMENT_SPEED * deltaTime;
+            isMoving = true;
         }
         if (Gdx.input.isKeyPressed(Input.Keys.DOWN)) {
             moveY -= MOVEMENT_SPEED * deltaTime;
+            isMoving = true;
         }
         if (Gdx.input.isKeyPressed(Input.Keys.RIGHT)) {
             moveX += MOVEMENT_SPEED * deltaTime;
+            isMoving = true;
+            isFacingRight = true; // 朝右
         }
         if (Gdx.input.isKeyPressed(Input.Keys.LEFT)) {
             moveX -= MOVEMENT_SPEED * deltaTime;
+            isMoving = true;
+            isFacingRight = false; // 朝左
         }
 
+        // 更新位置并限制在屏幕内
         position.add(moveX, moveY);
         clampPosition();
-        playerSprite.setPosition(position.x, position.y);
     }
 
+    /**
+     * 限制在屏幕范围内
+     */
     private void clampPosition() {
-        if (playerSprite == null) return;
-        
-        float maxX = Gdx.graphics.getWidth() - playerSprite.getWidth();
-        float maxY = Gdx.graphics.getHeight() - playerSprite.getHeight();
+        float maxX = Gdx.graphics.getWidth() - width;
+        float maxY = Gdx.graphics.getHeight() - height;
         position.x = Math.max(0, Math.min(position.x, maxX));
         position.y = Math.max(0, Math.min(position.y, maxY));
     }
 
+    /**
+     * 渲染角色和动画
+     */
     public void render() {
-        if (batch == null || playerSprite == null) return; // 资源未准备好则不渲染
-        
+        if (batch == null || currentFrame == null) return;
         batch.begin();
-        playerSprite.draw(batch);
+        batch.draw(currentFrame, position.x, position.y);
         batch.end();
     }
 
+    /**
+     * 释放资源
+     */
     public void dispose() {
         if (batch != null) {
             batch.dispose();
             batch = null;
         }
-        if (playerTexture != null) {
-            playerTexture.dispose();
-            playerTexture = null;
+        if (idleAnimation != null) {
+            for (TextureRegion region : idleAnimation.getKeyFrames()) {
+                region.getTexture().dispose();
+            }
+        }
+        if (walkAnimation != null) {
+            for (TextureRegion region : walkAnimation.getKeyFrames()) {
+                region.getTexture().dispose();
+            }
         }
-        playerSprite = null;
     }
 }

src/main/java/uno/mloluyu/util/SimpleFormatter.java

@@ -0,0 +1,19 @@
+package uno.mloluyu.util;
+public class SimpleFormatter {
+    /**
+     * 简化版：数字补前导零
+     * @param number 要格式化的数字（如1, 10）
+     * @param digits 保留的位数（如3位）
+     * @return 带前导零的字符串（1→"001"，10→"010"）
+     */
+    public static String addLeadingZeros(int number, int digits) {
+        return String.format("%0" + digits + "d", number);
+    }
+
+    // 测试
+    public static void main(String[] args) {
+        for (int i = 1; i <= 15; i++) {
+            System.out.println(addLeadingZeros(i, 3));
+        }
+    }
+}