began work on collision detection and added first enemy

core/src/zero1hd/polyjet/screens/GameScreen.java

@@ -7,6 +7,7 @@ import com.badlogic.gdx.InputProcessor;
 import com.badlogic.gdx.ScreenAdapter;
 import com.badlogic.gdx.graphics.Color;
 import com.badlogic.gdx.graphics.GL20;
+import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
 import com.badlogic.gdx.scenes.scene2d.Actor;
 import com.badlogic.gdx.scenes.scene2d.Stage;
 import com.badlogic.gdx.scenes.scene2d.ui.Image;
@@ -37,6 +38,8 @@ public class GameScreen extends ScreenAdapter implements InputProcessor {
 
 	private AudioData music;
 
+	private ShapeRenderer shapeRenderer;
+	
 	public GameScreen(Polyjet polyJet) {
 		core = polyJet;
 
@@ -87,7 +90,7 @@ public class GameScreen extends ScreenAdapter implements InputProcessor {
 
 					@Override
 					public void changed(ChangeEvent event, Actor actor) {
-						recommence();
+						restart();
 					}
 				});
 			}
@@ -120,13 +123,16 @@ public class GameScreen extends ScreenAdapter implements InputProcessor {
 		Gdx.gl.glClearColor(1f, 1f, 1f, 1f);
 		Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT | GL20.GL_DEPTH_BUFFER_BIT);
 		gameArea.getViewport().apply();
+		
+		shapeRenderer.begin();
 		gameArea.draw();
-
+		shapeRenderer.end();
+		
+		
 		overlay.getViewport().apply();
 		overlay.draw();
 		if (!paused) {
 			music.readIndexUpdate();
-			gameArea.setAudioIndex(music.getReadIndex());
 			scoreLabel.setText("Score: " + gameArea.getScore());
 			gameArea.act(delta);
 
@@ -135,12 +141,13 @@ public class GameScreen extends ScreenAdapter implements InputProcessor {
 			}
 
 			overlay.act(delta);
-		} else {
 		}
 
 		if (!music.getPlaybackMusic().isPlaying()) {
 			end(true);
 		}
+		
+		super.render(delta);
 	}
 
 	private void end(boolean trueEnd) {
@@ -179,7 +186,7 @@ public class GameScreen extends ScreenAdapter implements InputProcessor {
 		super.resume();
 	}
 
-	public void recommence() {
+	public void restart() {
 		paused = false;
 		pauseMenu.remove();
 		music.getPlaybackMusic().play();
@@ -207,7 +214,7 @@ public class GameScreen extends ScreenAdapter implements InputProcessor {
 
 		case Keys.ESCAPE:
 			if (paused) {
-				recommence();
+				restart();
 			} else {
 				pause();
 			}