improve debug hud

core/src/main/java/wtf/beatrice/retrorender/GameScreen.java

@@ -1,6 +1,7 @@
 package wtf.beatrice.retrorender;
 
 import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.Input;
 import com.badlogic.gdx.Screen;
 import com.badlogic.gdx.graphics.GL20;
 import com.badlogic.gdx.graphics.PerspectiveCamera;
@@ -41,6 +42,8 @@ public class GameScreen implements Screen {
     private static final int RETRO_WIDTH = 320;
     private static final int RETRO_HEIGHT = 180;
 
+    private boolean showHud = false;
+
     public GameScreen(Main game) {
         this.game = game;
     }
@@ -127,6 +130,10 @@ public class GameScreen implements Screen {
         cameraController.update(delta, world);
         world.update(delta);
 
+        if (Gdx.input.isKeyJustPressed(Input.Keys.TAB)) {
+            showHud = !showHud;
+        }
+
         // --- shadow pass: render depth from light's point of view
         // point to center the shadow camera on;
         // can be adjusted this later (e.g. follow player).
@@ -150,7 +157,13 @@ public class GameScreen implements Screen {
         modelBatch.end();
 
         // --- HUD
-        hud.render(RETRO_WIDTH, RETRO_HEIGHT, camera);
+        if (showHud)
+            hud.render(
+                RETRO_WIDTH,
+                RETRO_HEIGHT,
+                camera,
+                cameraController.getYaw(),
+                cameraController.getPitch());
 
         frameBuffer.end();
 

core/src/main/java/wtf/beatrice/retrorender/engine/DebugHud.java

@@ -41,7 +41,9 @@ public class DebugHud {
     }
 
     // render HUD in virtual resolution
-    public void render(int width, int height, PerspectiveCamera camera) {
+    public void render(int width, int height,
+                       PerspectiveCamera camera,
+                       float yaw, float pitch) {
         // set up orthographic projection matching target size
         batch.getProjectionMatrix().setToOrtho2D(0, 0, width, height);
 
@@ -57,6 +59,9 @@ public class DebugHud {
 
             String posText = String.format("X: %.2f  Y: %.2f  Z: %.2f", x, y, z);
             font.draw(batch, posText, 5f, height - 15f);
+
+            String angText = String.format("Yaw: %.1f  Pitch: %.1f", yaw, pitch);
+            font.draw(batch, angText, 5f, height - 25f);
         }
 
         batch.end();

core/src/main/java/wtf/beatrice/retrorender/engine/FpsCameraController.java

@@ -236,6 +236,9 @@ public class FpsCameraController {
         }
     }
 
+    public float getYaw()   { return yaw; }
+    public float getPitch() { return pitch; }
+
     public void setMoveSpeed(float moveSpeed) { this.moveSpeed = moveSpeed; }
     public void setMouseSensitivity(float mouseSensitivity) { this.mouseSensitivity = mouseSensitivity; }
 }