Add dispose() to Entity and implement in Brick

core/src/com/me/brickbuster/entity/Brick.java

@@ -27,6 +27,7 @@ public class Brick extends Entity implements PhysicsBody, CollisionListener {
 	public static final float BRICK_HEIGHT = 2.5f;
 
 	private static final EarClippingTriangulator ECT = new EarClippingTriangulator();
+	private static final Vector2 tmp = new Vector2();
 
 	private BrickType type;
 	private BrickShape shape;
@@ -40,8 +41,6 @@ public class Brick extends Entity implements PhysicsBody, CollisionListener {
 	private Body body;
 	private boolean hitByBall = false;
 
-	private final Vector2 tmp = new Vector2();
-
 	public Brick(PlayState state, PowerUpType powerUpType, float x, float y) {
 		this(state, powerUpType, true, x, y);
 	}
@@ -209,6 +208,12 @@ public class Brick extends Entity implements PhysicsBody, CollisionListener {
 	public void endContact(Entity contacted) {
 	}
 
+	@Override
+	public void dispose() {
+		solid.dispose();
+		pm.dispose();
+	}
+
 	public boolean hit() {
 		if (state.bricks.size-1 <= Ball.BLOCKS_FOR_BOOST) {
 			for (Ball ball : state.balls) {

core/src/com/me/brickbuster/entity/Entity.java

@@ -23,6 +23,8 @@ public abstract class Entity {
 
 	public abstract void update(float dt);
 
+	public void dispose() {}
+
 	public Vector2 getPos() {
 		return pos;
 	}