Added longer paddle powerup, fixed issues with sticky paddle bouncing

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

@@ -39,6 +39,9 @@ public class BrickBuster extends ApplicationAdapter {
 				if (MathUtils.randomBoolean(0.08f)) {
 					powerUpType = GluePowerUp.class;
 				}
+				else if (MathUtils.randomBoolean(0.25f)) {
+					powerUpType = LongerPaddlePowerUp.class;
+				}
 				bricks.add(new Brick(this, powerUpType, x, HEIGHT - y));
 			}
 		}

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

@@ -88,9 +88,20 @@ public class Ball extends Entity {
 		getPos().add(direction.cpy().scl(speed * dt));
 	}
 
+	public Vector2 paddleReflectAngle() {
+		Paddle paddle = getBrickBuster().getPaddle();
+		float rel = MathUtils.clamp((getX() - paddle.getX()) + (paddle.getWidth()/2), 5, paddle.getWidth()-5);
+		float newAngle = MathUtils.PI - (MathUtils.PI * (rel / paddle.getWidth()));
+		return new Vector2(MathUtils.cos(newAngle), MathUtils.sin(newAngle));
+	}
+
 	public void launch() {
+		if (getBrickBuster().getPaddle().isSticky()) {
+			direction = paddleReflectAngle();
+		} else {
 			float angle = MathUtils.random(MathUtils.PI/2) + MathUtils.PI/4;
 			direction = new Vector2(MathUtils.cos(angle), MathUtils.sin(angle));
+		}
 		speed = DEFAULT_SPEED;
 		isStuck = false;
 	}
@@ -103,16 +114,15 @@ public class Ball extends Entity {
 			setY(Paddle.PADDLE_Y + Paddle.PADDLE_HEIGHT + RADIUS);
 			return;
 		}
-		float paddleCenter = getBrickBuster().getPaddle().getX() + Paddle.PADDLE_WIDTH/2;
+		direction = paddleReflectAngle();
-		float rel = MathUtils.clamp((getX() - paddleCenter) + 50, 5, 95);
-		float newAngle = MathUtils.PI - (MathUtils.PI * (rel/100));
-		direction = new Vector2(MathUtils.cos(newAngle), MathUtils.sin(newAngle));
 	}
 
 	public void reset() {
-		setX(getBrickBuster().getPaddle().getX() + Paddle.PADDLE_WIDTH/2);
+		Paddle paddle = getBrickBuster().getPaddle();
+		setX(paddle.getX());
 		setY(Paddle.PADDLE_Y + Paddle.PADDLE_HEIGHT + RADIUS);
-		getBrickBuster().getPaddle().setSticky(false);
+		paddle.setSticky(false);
+		paddle.setWidth(Paddle.DEFAULT_WIDTH);
 		getBrickBuster().setPlaying(false);
 	}
 

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

@@ -0,0 +1,18 @@
+package com.me.brickbuster.entity;
+
+import com.badlogic.gdx.graphics.Color;
+import com.me.brickbuster.BrickBuster;
+
+public class LongerPaddlePowerUp extends PowerUp {
+	public LongerPaddlePowerUp(BrickBuster brickBuster, Brick brick) {
+		super(brickBuster, brick, Color.OLIVE);
+	}
+
+	@Override
+	public void activate() {
+		Paddle paddle = getBrickBuster().getPaddle();
+		if (paddle.getWidth() < 250) {
+			paddle.setWidth(paddle.getWidth() + 50);
+		}
+	}
+}

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

@@ -11,22 +11,23 @@ import net.dermetfan.utils.Pair;
 public class Paddle extends Entity {
 
 	public static final Color PADDLE_COLOR = Color.BLACK;
-	public static final int PADDLE_WIDTH = 100;
+	public static final int DEFAULT_WIDTH = 100;
 	public static final int PADDLE_HEIGHT = 10;
 	public static final int PADDLE_Y = 15;
 	public static final int PADDLE_SPEED = 375;
 
 	private boolean sticky = false;
+	private int width = DEFAULT_WIDTH;
 
 	public Paddle(BrickBuster brickBuster) {
-		super(brickBuster, BrickBuster.WIDTH / 2 - PADDLE_WIDTH / 2, PADDLE_Y);
+		super(brickBuster, BrickBuster.WIDTH / 2, PADDLE_Y);
 	}
 
 	@Override
 	public void render() {
 		getShapeRenderer().begin(ShapeType.Filled);
-		getShapeRenderer().setColor(isSticky()? Color.GRAY : PADDLE_COLOR);
+		getShapeRenderer().setColor(sticky? Color.GRAY : PADDLE_COLOR);
-		getShapeRenderer().rect(getX(), getY(), PADDLE_WIDTH, PADDLE_HEIGHT);
+		getShapeRenderer().rect(getX() - width/2, getY(), width, PADDLE_HEIGHT);
 		getShapeRenderer().end();
 	}
 
@@ -34,7 +35,7 @@ public class Paddle extends Entity {
 	public void update(float dt) {
 		Ball ball = getBrickBuster().getBall();
 		if (Gdx.input.isKeyPressed(Input.Keys.LEFT)) {
-			if (getX() - PADDLE_SPEED * dt < 0) {
+			if (getX() - width/2 - PADDLE_SPEED * dt < 0) {
 				return;
 			}
 			setX(getX() - PADDLE_SPEED * dt);
@@ -43,7 +44,7 @@ public class Paddle extends Entity {
 			}
 		}
 		if (Gdx.input.isKeyPressed(Input.Keys.RIGHT)) {
-			if (getX() + PADDLE_SPEED * dt + PADDLE_WIDTH > BrickBuster.WIDTH) {
+			if (getX() + width/2 + PADDLE_SPEED * dt > BrickBuster.WIDTH) {
 				return;
 			}
 			setX(getX() + PADDLE_SPEED * dt);
@@ -55,11 +56,15 @@ public class Paddle extends Entity {
 
 	public Pair<Vector2, Vector2> getTopEdge() {
 		return new Pair<Vector2, Vector2>(
-				new Vector2(getX(), getY() + PADDLE_HEIGHT),
+				new Vector2(getX() - width/2, getY() + PADDLE_HEIGHT),
-				new Vector2(getX() + PADDLE_WIDTH, getY() + PADDLE_HEIGHT)
+				new Vector2(getX() + width/2, getY() + PADDLE_HEIGHT)
 		);
 	}
 
+	public int getWidth() {
+		return width;
+	}
+
 	public boolean isSticky() {
 		return sticky;
 	}
@@ -67,4 +72,8 @@ public class Paddle extends Entity {
 	public void setSticky(boolean sticky) {
 		this.sticky = sticky;
 	}
+
+	public void setWidth(int width) {
+		this.width = width;
+	}
 }