libgdx实现加载转圈、libgdx实现加载页

效果

package effect;

import com.badlogic.gdx.ApplicationAdapter;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application;
import com.badlogic.gdx.backends.lwjgl3.Lwjgl3ApplicationConfiguration;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.Sprite;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.utils.ScreenUtils;
import org.junit.jupiter.api.Test;

/**
 * @author lingkang
 * created by 2023/11/15
 */
public class LoadingDemo extends ApplicationAdapter {
    @Test
    public void test() {
        Lwjgl3ApplicationConfiguration config = new Lwjgl3ApplicationConfiguration();
        config.setForegroundFPS(60);
        config.setTitle("yzcy");
        config.setWindowedMode(800, 600);
        new Lwjgl3Application(this, config);
    }

    private SpriteBatch batch;
    private Sprite loading;
    private float r = 360f;

    @Override
    public void create() {
        batch = new SpriteBatch();
        // 60x60
        loading = new Sprite(new Texture("img/bg/loading.png"));
        loading.setPosition(Gdx.graphics.getWidth()-50, 30);
        loading.setSize(30,30);
        loading.setOrigin(15,15);
    }

    @Override
    public void render() {
        ScreenUtils.clear(Color.WHITE);
        batch.begin();
        loading.draw(batch);
        batch.end();
        loading.setRotation(r);
        r -= 5.5f;
        if (r < 0f)
            r = 360f;
    }

    @Override
    public void dispose() {
        loading.getTexture().dispose();
        batch.dispose();
    }
}

依赖

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>top.lingkang</groupId>
    <artifactId>yzcy</artifactId>
    <packaging>jar</packaging>
    <version>1.0.0</version>

    <properties>
        <maven.compiler.source>17</maven.compiler.source>
        <maven.compiler.target>17</maven.compiler.target>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <gdx.version>1.12.0</gdx.version>
    </properties>

    <dependencies>
        <!-- https://mvnrepository.com/artifact/com.badlogicgames.gdx/gdx -->
        <dependency>
            <groupId>com.badlogicgames.gdx</groupId>
            <artifactId>gdx</artifactId>
            <version>${gdx.version}</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.badlogicgames.gdx/gdx-backend-lwjgl3 -->
        <dependency>
            <groupId>com.badlogicgames.gdx</groupId>
            <artifactId>gdx-backend-lwjgl3</artifactId>
            <version>${gdx.version}</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.badlogicgames.gdx/gdx-platform -->
        <dependency>
            <groupId>com.badlogicgames.gdx</groupId>
            <artifactId>gdx-platform</artifactId>
            <version>${gdx.version}</version>
            <classifier>natives-desktop</classifier>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.badlogicgames.gdx/gdx-freetype -->
        <dependency>
            <groupId>com.badlogicgames.gdx</groupId>
            <artifactId>gdx-freetype</artifactId>
            <version>${gdx.version}</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.badlogicgames.gdx/gdx-freetype-platform -->
        <dependency>
            <groupId>com.badlogicgames.gdx</groupId>
            <artifactId>gdx-freetype-platform</artifactId>
            <version>${gdx.version}</version>
            <classifier>natives-desktop</classifier>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-api -->
        <dependency>
            <groupId>org.junit.jupiter</groupId>
            <artifactId>junit-jupiter-api</artifactId>
            <version>5.10.1</version>
            <scope>test</scope>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-api -->
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>2.0.9</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-simple -->
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-simple</artifactId>
            <version>2.0.9</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.30</version>
            <scope>provided</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.8.1</version>
                <configuration>
                    <source>17</source>
                    <target>17</target>
                    <!-- 编译后保持方法形参名称不变 -->
                    <!--<compilerArgs>
                        <arg>-parameters</arg>
                    </compilerArgs>-->
                </configuration>
            </plugin>
        </plugins>
    </build>

    <repositories>
        <repository>
            <id>tencent</id>
            <name>tencent</name>
            <layout>default</layout>
            <url>http://mirrors.cloud.tencent.com/nexus/repository/maven-public/</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
            <releases>
                <enabled>true</enabled>
            </releases>
        </repository>
        <repository>
            <id>nexus1</id>
            <name>Nexus1</name>
            <layout>default</layout>
            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
            <snapshots>
                <enabled>true</enabled>
            </snapshots>
            <releases>
                <enabled>false</enabled>
            </releases>
        </repository>
        <repository>
            <id>nexus</id>
            <name>Nexus</name>
            <layout>default</layout>
            <url>https://s01.oss.sonatype.org/content/repositories/snapshots</url>
            <snapshots>
                <enabled>true</enabled>
            </snapshots>
            <releases>
                <enabled>false</enabled>
            </releases>
        </repository>
        <repository>
            <id>aliyunmaven</id>
            <url>https://maven.aliyun.com/repository/public</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
    </repositories>
</project>