virtual coordinates for a real menu renderer

core/src/de/samdev/colorrunner/game/renderer/CRAssets.java

@@ -6,6 +6,8 @@ import com.badlogic.gdx.graphics.Pixmap.Format;
 import com.badlogic.gdx.graphics.Texture;
 
 public class CRAssets {
+	public static Texture TEX_BLANK;
+
 	public static Texture TEX_PLAYER_UP;
 	public static Texture TEX_PLAYER_RIGHT;
 	public static Texture TEX_PLAYER_LEFT;
@@ -20,6 +22,13 @@ public class CRAssets {
 	public static Texture TEX_COLORWHEEL;
 
 	static {
+		{
+			Pixmap pixmap = new Pixmap(32, 32, Format.RGBA8888);
+			pixmap.setColor(1, 1, 1, 1);
+			pixmap.fill();
+			TEX_BLANK = new Texture(pixmap);
+		}
+
 		{
 			Pixmap pixmap = new Pixmap(32, 32, Format.RGBA8888);
 			pixmap.setColor(1, 0, 0, 1);

core/src/de/samdev/colorrunner/screens/menu/BaseMenu.java

@@ -5,31 +5,29 @@ import com.badlogic.gdx.Screen;
 import com.badlogic.gdx.graphics.GL20;
 import com.badlogic.gdx.graphics.OrthographicCamera;
 import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
 
 import java.util.ArrayList;
 import java.util.List;
 
+import de.samdev.colorrunner.CRGame;
+
 public abstract class BaseMenu implements Screen {
 
-    private final int VIEWPORT_WIDTH = 100;
-    private final int VIEWPORT_HEIGHT = 100;
+    private final int VIRTUAL_VIEWPORT_WIDTH = 1024;
+    private final int VIRTUAL_VIEWPORT_HEIGHT = 640;
 
     private List<BaseMenuElement> elements = new ArrayList<BaseMenuElement>();
     private OrthographicCamera cam;
     private SpriteBatch sbatch = new SpriteBatch();
+    private ShapeRenderer linebatch = new ShapeRenderer();
 
     public BaseMenu() {
         super();
 
         cam = new OrthographicCamera();
-        cam.position.x += VIEWPORT_WIDTH/2;
-        cam.position.y += VIEWPORT_HEIGHT/2;
-        cam.viewportWidth += VIEWPORT_WIDTH;
-        cam.viewportHeight += VIEWPORT_HEIGHT;
-        cam.update();
-
-        sbatch.setProjectionMatrix(cam.combined);
 
+        updateCam();
         init();
     }
 
@@ -53,21 +51,71 @@ public abstract class BaseMenu implements Screen {
             e.update(delta);
         }
 
-        // ####### RENDER #########
+        // ####### DEBUG RENDER #########
 
-        Gdx.gl.glClearColor(0.22f, 0.22f, 0.22f, 1f);
+        Gdx.gl.glClearColor(1, 0, 1, 1f);
         Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
 
+        if (CRGame.DEBUG) {
+
+            linebatch.begin(ShapeRenderer.ShapeType.Line);
+            linebatch.setColor(0, 0, 1, 1);
+
+            linebatch.rect(0, 0, VIRTUAL_VIEWPORT_WIDTH, VIRTUAL_VIEWPORT_HEIGHT);
+
+            linebatch.end();
+
+        }
+
+        // ####### REAL RENDER #########
+
         sbatch.begin();
         for (BaseMenuElement e : elements) {
             e.render(sbatch);
         }
         sbatch.end();
+
+
+    }
+
+    private void updateCam() {
+
+        float deviceW = Gdx.graphics.getWidth();
+        float deviceH = Gdx.graphics.getHeight();
+
+        float real_ratio = deviceW / deviceH;
+        float virt_ratio = VIRTUAL_VIEWPORT_WIDTH * 1f / VIRTUAL_VIEWPORT_HEIGHT;
+
+        if (real_ratio > virt_ratio) {
+
+            // fix to height
+
+            cam.viewportHeight = VIRTUAL_VIEWPORT_HEIGHT;
+            cam.viewportWidth = real_ratio * VIRTUAL_VIEWPORT_HEIGHT;
+
+        } else {
+
+            // fix to width
+
+            cam.viewportHeight = VIRTUAL_VIEWPORT_WIDTH / real_ratio;
+            cam.viewportWidth = VIRTUAL_VIEWPORT_WIDTH;
+
+        }
+
+        cam.position.x = VIRTUAL_VIEWPORT_WIDTH  / 2f;
+        cam.position.y = VIRTUAL_VIEWPORT_HEIGHT / 2f;
+
+        cam.update();
+
+        sbatch.setProjectionMatrix(cam.combined);
+        linebatch.setProjectionMatrix(cam.combined);
     }
 
     @Override
     public void resize(int width, int height) {
-        // NOP
+
+        updateCam();
+
     }
 
     @Override

core/src/de/samdev/colorrunner/screens/menu/impl/LevelSelectMenu.java

@@ -9,7 +9,14 @@ public class LevelSelectMenu extends BaseMenu {
 
     @Override
     protected void init() {
-        add(new CRMenuRectangle(1, 1, 30, 30, Color.RED));
+
+        for (int x = 0; x < 6; x++) {
+            for (int y = 0; y < 4; y++) {
+                add(new CRMenuRectangle(48 + (32+128)*x, 48 + (32+112)*y, 128, 128, Color.YELLOW));
+            }
+        }
+
+
     }
 
 }

core/src/de/samdev/colorrunner/screens/menu/impl/elements/CRMenuRectangle.java

@@ -21,13 +21,15 @@ public class CRMenuRectangle extends BaseMenuElement {
     @Override
     public void render(SpriteBatch batch) {
 
-        batch.draw(CRAssets.TEX_PLAYER_UP, Bounds.x, Bounds.y, Bounds.width, Bounds.height);
+        batch.setColor(Color);
+        batch.draw(CRAssets.TEX_BLANK, Bounds.x, Bounds.y, Bounds.width, Bounds.height);
+        batch.setColor(0);
 
     }
 
     @Override
     public void update(float delta) {
-        Gdx.app.log("crmenurect", "> " + delta);
+        //Gdx.app.log("crmenurect", "> " + delta);
     }
 
 }