Add PowerUp logic + GluePowerUp

core/src/com/me/brickbuster/BrickBuster.java

@@ -3,12 +3,12 @@ package com.me.brickbuster;
 import com.badlogic.gdx.ApplicationAdapter;
 import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.graphics.GL20;
+import com.badlogic.gdx.math.MathUtils;
 import com.badlogic.gdx.math.Vector2;
-import com.me.brickbuster.entity.Ball;
-import com.me.brickbuster.entity.Brick;
-import com.me.brickbuster.entity.Paddle;
+import com.me.brickbuster.entity.*;
 
 import java.util.ArrayList;
+import java.util.Iterator;
 
 public class BrickBuster extends ApplicationAdapter {
 
@@ -22,18 +22,24 @@ public class BrickBuster extends ApplicationAdapter {
 	private Ball ball;
 	private Paddle paddle;
 	private ArrayList<Brick> bricks;
+	private ArrayList<PowerUp> powerUps;
 	private boolean playing = false;
 
 	@Override
 	public void create () {
 		ball = new Ball(this);
 		paddle = new Paddle(this);
+		powerUps = new ArrayList<PowerUp>();
 		bricks = new ArrayList<Brick>();
 		for (int col = 0; col < 13; col++) {
 			for (int row = 0; row < 7; row++) {
 				int x = 15 + (col * (Brick.BLOCK_WIDTH + 10));
 				int y = 15 + Brick.BLOCK_HEIGHT + (row * (Brick.BLOCK_HEIGHT + 10));
-				bricks.add(new Brick(this, x, HEIGHT - y));
+				Class<? extends PowerUp> powerUpType = null;
+				if (MathUtils.randomBoolean(0.5f)) {
+					powerUpType = GluePowerUp.class;
+				}
+				bricks.add(new Brick(this, powerUpType, x, HEIGHT - y));
 			}
 		}
 	}
@@ -49,17 +55,31 @@ public class BrickBuster extends ApplicationAdapter {
 			block.render();
 		}
 
+		for (PowerUp powerUp : powerUps) {
+			powerUp.render();
+		}
+
 		ball.render();
 		paddle.render();
 	}
 
 	public void update(float dt) {
-		if (Gdx.input.justTouched() && !isPlaying()) {
+		if (Gdx.input.justTouched() && (!isPlaying() || ball.isStuck())) {
 			playing = true;
 			ball.launch();
 		}
 		ball.update(dt);
 		paddle.update(dt);
+
+
+		for (Iterator<PowerUp> it = powerUps.iterator(); it.hasNext();) {
+			PowerUp powerUp = it.next();
+			powerUp.update(dt);
+			if(powerUp.isCaught()) {
+				it.remove();
+			}
+		}
+
 		if (getBricks().isEmpty()) {
 			create();
 			playing = false;
@@ -89,4 +109,9 @@ public class BrickBuster extends ApplicationAdapter {
 	public ArrayList<Brick> getBricks() {
 		return bricks;
 	}
+
+	public void addPowerUp(PowerUp powerUp) {
+		this.powerUps.add(powerUp);
+	}
+
 }