Добавил вторую главу занимательного программирования

Занимательное программирование/2/7_curtain/core/build.gradle

@@ -0,0 +1,5 @@
+[compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
+
+sourceSets.main.java.srcDirs = [ "src/" ]
+
+eclipse.project.name = appName + "-core"

Занимательное программирование/2/7_curtain/core/src/net/caraus/curtain/Curtain.java

@@ -0,0 +1,49 @@
+package net.caraus.curtain;
+
+import com.badlogic.gdx.ApplicationAdapter;
+import com.badlogic.gdx.graphics.Texture;
+import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+import com.badlogic.gdx.graphics.g2d.TextureRegion;
+import com.badlogic.gdx.utils.ScreenUtils;
+
+public class Curtain extends ApplicationAdapter {
+	SpriteBatch batch;
+	Texture background;
+    Texture foreground;
+    TextureRegion leftRegion;
+    TextureRegion rightRegion;
+    int delta = 0;
+	
+	@Override
+	public void create () {
+		batch = new SpriteBatch();
+		background = new Texture("badlogic.bmp");
+        foreground = new Texture("background2.bmp");
+	}
+
+	@Override
+	public void render () {
+		ScreenUtils.clear(1, 0, 0, 1);
+
+        leftRegion = new TextureRegion(foreground, 128 - delta, 256);
+        rightRegion = new TextureRegion(foreground, 128, 0, 128 - delta, 256);
+
+		batch.begin();
+        batch.draw(background, 0, 0);
+
+        if (delta < 128) {
+            batch.draw(leftRegion, 0 - delta, 0);
+            batch.draw(rightRegion, 128 + delta, 0);
+        }
+		batch.end();
+
+        ++delta;
+	}
+	
+	@Override
+	public void dispose () {
+		batch.dispose();
+		background.dispose();
+        foreground.dispose();
+	}
+}