Добавил вторую главу занимательного программирования

7 files changed, 391 insertions, 0 deletions

diff --git a/Занимательное программирование/2/2_vertical_scroll/core/build.gradle b/Занимательное программирование/2/2_vertical_scroll/core/build.gradle
new file mode 100644
index 0000000..c2fa637
--- /dev/null
+++ b/Занимательное программирование/2/2_vertical_scroll/core/build.gradle
@@ -0,0 +1,5 @@
+[compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
+
+sourceSets.main.java.srcDirs = [ "src/" ]
+
+eclipse.project.name = appName + "-core"
diff --git a/Занимательное программирование/2/2_vertical_scroll/core/src/net/caraus/modelling/DiagonalScreen.java b/Занимательное программирование/2/2_vertical_scroll/core/src/net/caraus/modelling/DiagonalScreen.java
new file mode 100644
index 0000000..5828ce0
--- /dev/null
+++ b/Занимательное программирование/2/2_vertical_scroll/core/src/net/caraus/modelling/DiagonalScreen.java
@@ -0,0 +1,81 @@
+package net.caraus.modelling;
+
+import java.util.Iterator;
+
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.Input.Keys;
+import com.badlogic.gdx.utils.ScreenUtils;
+import com.badlogic.gdx.math.Rectangle;
+
+public class DiagonalScreen extends GameScreen {
+
+    public DiagonalScreen(final Modelling game) {
+        super(game);
+
+        Rectangle nextRectangle = new Rectangle();
+        nextRectangle.x = -SCREEN_WIDTH;
+        nextRectangle.y = 0;
+        backgrounds.add(nextRectangle);
+
+        nextRectangle = new Rectangle();
+        nextRectangle.x = 0;
+        nextRectangle.y = -SCREEN_HEIGHT;
+        backgrounds.add(nextRectangle);
+
+        nextRectangle = new Rectangle();
+        nextRectangle.x = -SCREEN_WIDTH;
+        nextRectangle.y = -SCREEN_HEIGHT;
+        backgrounds.add(nextRectangle);
+
+        nextRectangle = new Rectangle();
+        nextRectangle.x = 0;
+        nextRectangle.y = 0;
+        backgrounds.add(nextRectangle);
+    }
+
+    @Override
+    public void render(float delta) {
+        ScreenUtils.clear(0, 0, 0.2f, 1);
+
+        camera.update();
+        batch.setProjectionMatrix(camera.combined);
+
+        float xStep = SCREEN_WIDTH / 10;
+        float yStep = SCREEN_HEIGHT / 10;
+
+        backgrounds.get(0).x = backgrounds.get(0).x + xStep * delta;
+        backgrounds.get(1).x = backgrounds.get(1).x + xStep * delta;
+        backgrounds.get(2).x = backgrounds.get(2).x + xStep * delta;
+        backgrounds.get(3).x = backgrounds.get(3).x + xStep * delta;
+
+        backgrounds.get(0).y = backgrounds.get(0).y + yStep * delta;
+        backgrounds.get(1).y = backgrounds.get(1).y + yStep * delta;
+        backgrounds.get(2).y = backgrounds.get(2).y + yStep * delta;
+        backgrounds.get(3).y = backgrounds.get(3).y + yStep * delta;
+
+        if (backgrounds.get(0).x >= 0) {
+            for (Iterator<Rectangle> iter = backgrounds.iterator(); iter.hasNext(); ) {
+                Rectangle background = iter.next();
+
+                background.x = background.x - SCREEN_WIDTH;
+            }
+        }
+        if (backgrounds.get(1).y >= 0) {
+            for (Iterator<Rectangle> iter = backgrounds.iterator(); iter.hasNext(); ) {
+                Rectangle background = iter.next();
+
+                background.y = background.y - SCREEN_HEIGHT;
+            }
+        }
+		batch.begin();
+        for (Rectangle background: backgrounds) {
+            batch.draw(backgroundImage, background.x, background.y);
+        }
+		batch.end();
+
+        if (Gdx.input.isKeyPressed(Keys.ESCAPE)) {
+            game.setScreen(new MainMenuScreen(game));
+            dispose();
+        }
+    }
+}
diff --git a/Занимательное программирование/2/2_vertical_scroll/core/src/net/caraus/modelling/GameScreen.java b/Занимательное программирование/2/2_vertical_scroll/core/src/net/caraus/modelling/GameScreen.java
new file mode 100644
index 0000000..c739459
--- /dev/null
+++ b/Занимательное программирование/2/2_vertical_scroll/core/src/net/caraus/modelling/GameScreen.java
@@ -0,0 +1,59 @@
+package net.caraus.modelling;
+
+import com.badlogic.gdx.graphics.OrthographicCamera;
+import com.badlogic.gdx.graphics.Texture;
+import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.Screen;
+import com.badlogic.gdx.utils.Array;
+import com.badlogic.gdx.math.Rectangle;
+
+public abstract class GameScreen implements Screen {
+    protected final Modelling game;
+
+    protected OrthographicCamera camera;
+    protected SpriteBatch batch;
+    protected Array<Rectangle> backgrounds;
+    protected Texture backgroundImage;
+
+    static final int SCREEN_WIDTH = 609;
+    static final int SCREEN_HEIGHT = 456;
+    static final int STEP = 100;
+	
+	public GameScreen(final Modelling game) {
+        this.game = game;
+        backgroundImage = new Texture(Gdx.files.internal("background.bmp"));
+
+        camera = new OrthographicCamera();
+        camera.setToOrtho(false, SCREEN_WIDTH, SCREEN_HEIGHT);
+
+        batch = new SpriteBatch();
+        backgrounds = new Array<Rectangle>();
+	}
+
+    @Override
+    public void resize(int width, int height) {
+    }
+
+    @Override
+    public void show() {
+    }
+
+    @Override
+    public void hide() {
+    }
+
+    @Override
+    public void pause() {
+    }
+
+    @Override
+    public void resume() {
+    }
+
+	@Override
+	public void dispose () {
+        backgroundImage.dispose();
+        batch.dispose();
+	}
+}
diff --git a/Занимательное программирование/2/2_vertical_scroll/core/src/net/caraus/modelling/HorizontalScreen.java b/Занимательное программирование/2/2_vertical_scroll/core/src/net/caraus/modelling/HorizontalScreen.java
new file mode 100644
index 0000000..9d35c78
--- /dev/null
+++ b/Занимательное программирование/2/2_vertical_scroll/core/src/net/caraus/modelling/HorizontalScreen.java
@@ -0,0 +1,54 @@
+package net.caraus.modelling;
+
+import java.util.Iterator;
+
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.Input.Keys;
+import com.badlogic.gdx.utils.ScreenUtils;
+import com.badlogic.gdx.math.Rectangle;
+
+public class HorizontalScreen extends GameScreen {
+
+	public HorizontalScreen(final Modelling game) {
+        super(game);
+
+        Rectangle nextRectangle = new Rectangle();
+        nextRectangle.x = -SCREEN_WIDTH;
+        nextRectangle.y = 0;
+        backgrounds.add(nextRectangle);
+
+        nextRectangle = new Rectangle();
+        nextRectangle.x = 0;
+        nextRectangle.y = 0;
+        backgrounds.add(nextRectangle);
+	}
+
+	@Override
+	public void render(float delta) {
+		ScreenUtils.clear(0, 0, 0.2f, 1);
+
+        camera.update();
+        batch.setProjectionMatrix(camera.combined);
+
+        backgrounds.get(0).x = backgrounds.get(0).x + STEP * Gdx.graphics.getDeltaTime();
+        backgrounds.get(1).x = backgrounds.get(1).x + STEP * Gdx.graphics.getDeltaTime();
+
+        if (backgrounds.get(0).x >= 0) {
+            for (Iterator<Rectangle> iter = backgrounds.iterator(); iter.hasNext(); ) {
+                Rectangle background = iter.next();
+
+                background.x = background.x - SCREEN_WIDTH;
+            }
+        }
+		batch.begin();
+        for (Rectangle background: backgrounds) {
+            batch.draw(backgroundImage, background.x, background.y);
+        }
+		batch.end();
+
+        if (Gdx.input.isKeyPressed(Keys.ESCAPE)) {
+            game.setScreen(new MainMenuScreen(game));
+            dispose();
+        }
+	}
+}
diff --git a/Занимательное программирование/2/2_vertical_scroll/core/src/net/caraus/modelling/MainMenuScreen.java b/Занимательное программирование/2/2_vertical_scroll/core/src/net/caraus/modelling/MainMenuScreen.java
new file mode 100644
index 0000000..56136c1
--- /dev/null
+++ b/Занимательное программирование/2/2_vertical_scroll/core/src/net/caraus/modelling/MainMenuScreen.java
@@ -0,0 +1,117 @@
+package net.caraus.modelling;
+
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.Screen;
+import com.badlogic.gdx.graphics.OrthographicCamera;
+import com.badlogic.gdx.scenes.scene2d.Actor;
+import com.badlogic.gdx.scenes.scene2d.Stage;
+import com.badlogic.gdx.scenes.scene2d.ui.Table;
+import com.badlogic.gdx.scenes.scene2d.ui.TextButton;
+import com.badlogic.gdx.scenes.scene2d.ui.TextButton.TextButtonStyle;
+import com.badlogic.gdx.scenes.scene2d.utils.ChangeListener;
+import com.badlogic.gdx.utils.ScreenUtils;
+import com.badlogic.gdx.graphics.g2d.BitmapFont;
+
+public class MainMenuScreen implements Screen {
+    final Modelling game;
+
+    BitmapFont font;
+    OrthographicCamera camera;
+
+    private TextButton horizontalButton;
+    private TextButton verticalButton;
+    private TextButton crossButton;
+
+    private Stage stage;
+    private Table table;
+
+    public MainMenuScreen(final Modelling game) {
+        this.game = game;
+
+        font = new BitmapFont(); // use libGDX's default Arial font.
+        camera = new OrthographicCamera();
+        camera.setToOrtho(false, 800, 480);
+
+        stage = new Stage();
+        Gdx.input.setInputProcessor(stage);
+
+        table = new Table();
+        table.setFillParent(true);
+        table.setDebug(true);
+        stage.addActor(table);
+
+        createButtons();
+    }
+
+    private void createButtons() {
+        TextButtonStyle style = new TextButtonStyle();
+        style.font = font;
+
+        table.row().width(150);
+
+        horizontalButton = new TextButton("Waagerecht", style);
+        horizontalButton.addListener(new ChangeListener() {
+            public void changed(ChangeEvent event, Actor actor) {
+                game.setScreen(new HorizontalScreen(game));
+                dispose();
+            }
+        });
+        table.add(horizontalButton);
+
+        verticalButton = new TextButton("Senkrecht", style);
+        verticalButton.addListener(new ChangeListener() {
+            public void changed(ChangeEvent event, Actor actor) {
+                game.setScreen(new VerticalScreen(game));
+                dispose();
+            }
+        });
+        table.add(verticalButton);
+
+        crossButton = new TextButton("Diagonal", style);
+        crossButton.addListener(new ChangeListener() {
+            public void changed(ChangeEvent event, Actor actor) {
+                game.setScreen(new DiagonalScreen(game));
+                dispose();
+            }
+        });
+        table.add(crossButton);
+    }
+
+    @Override
+    public void render(float delta) {
+        ScreenUtils.clear(0, 0, 0.2f, 1);
+
+        camera.update();
+        game.batch.setProjectionMatrix(camera.combined);
+
+        stage.act(delta);
+        stage.draw();
+    }
+
+    @Override
+    public void resize(int width, int height) {
+        stage.getViewport().update(width, height, true);
+    }
+
+    @Override
+    public void show() {
+    }
+
+    @Override
+    public void hide() {
+    }
+
+    @Override
+    public void pause() {
+    }
+
+    @Override
+    public void resume() {
+    }
+
+    @Override
+    public void dispose() {
+        stage.dispose();
+        font.dispose();
+    }
+}
diff --git a/Занимательное программирование/2/2_vertical_scroll/core/src/net/caraus/modelling/Modelling.java b/Занимательное программирование/2/2_vertical_scroll/core/src/net/caraus/modelling/Modelling.java
new file mode 100644
index 0000000..5949186
--- /dev/null
+++ b/Занимательное программирование/2/2_vertical_scroll/core/src/net/caraus/modelling/Modelling.java
@@ -0,0 +1,21 @@
+package net.caraus.modelling;
+
+import com.badlogic.gdx.Game;
+import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+
+public class Modelling extends Game {
+    public SpriteBatch batch;
+
+    public void create() {
+        batch = new SpriteBatch();
+        this.setScreen(new MainMenuScreen(this));
+    }
+
+    public void render() {
+        super.render();
+    }
+
+    public void dispose() {
+        batch.dispose();
+    }
+}
diff --git a/Занимательное программирование/2/2_vertical_scroll/core/src/net/caraus/modelling/VerticalScreen.java b/Занимательное программирование/2/2_vertical_scroll/core/src/net/caraus/modelling/VerticalScreen.java
new file mode 100644
index 0000000..2e56977
--- /dev/null
+++ b/Занимательное программирование/2/2_vertical_scroll/core/src/net/caraus/modelling/VerticalScreen.java
@@ -0,0 +1,54 @@
+package net.caraus.modelling;
+
+import java.util.Iterator;
+
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.Input.Keys;
+import com.badlogic.gdx.utils.ScreenUtils;
+import com.badlogic.gdx.math.Rectangle;
+
+public class VerticalScreen extends GameScreen {
+
+	public VerticalScreen(final Modelling game) {
+        super(game);
+
+        Rectangle nextRectangle = new Rectangle();
+        nextRectangle.x = 0;
+        nextRectangle.y = -SCREEN_HEIGHT;
+        backgrounds.add(nextRectangle);
+
+        nextRectangle = new Rectangle();
+        nextRectangle.x = 0;
+        nextRectangle.y = 0;
+        backgrounds.add(nextRectangle);
+	}
+
+	@Override
+	public void render(float delta) {
+		ScreenUtils.clear(0, 0, 0.2f, 1);
+
+        camera.update();
+        batch.setProjectionMatrix(camera.combined);
+
+        backgrounds.get(0).y = backgrounds.get(0).y + STEP * Gdx.graphics.getDeltaTime();
+        backgrounds.get(1).y = backgrounds.get(1).y + STEP * Gdx.graphics.getDeltaTime();
+
+        if (backgrounds.get(0).y >= 0) {
+            for (Iterator<Rectangle> iter = backgrounds.iterator(); iter.hasNext(); ) {
+                Rectangle background = iter.next();
+
+                background.y = background.y - SCREEN_HEIGHT;
+            }
+        }
+		batch.begin();
+        for (Rectangle background: backgrounds) {
+            batch.draw(backgroundImage, background.x, background.y);
+        }
+		batch.end();
+
+        if (Gdx.input.isKeyPressed(Keys.ESCAPE)) {
+            game.setScreen(new MainMenuScreen(game));
+            dispose();
+        }
+	}
+}