Homework Help is Here – Start Your Trial Now!
Engineering
Computer Science
can you please explain these lines of code?

can you please explain these lines of code?

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
See similar textbooks
icon
Related questions
Question
100%

can you please explain these lines of code?

namespace space_invaders class Alien : public AnimatedEntity { public: /** The initial step size of the aliens. */ static const int INITIAL_STEP_SIZE - 55; /** The amount of steps to speed up the alien movement on each destruct. */ static const int STEP_DECREMENT_SIZE = 1; /** The amount of aliens per row. */ static const int ALIENS_PER_ROW = 11; // ========= ====== forbidden default functions = // = // ======: ========= Alien() = delete; Alien(const Alien&) = delete; Alien(Alien&&) = delete; Alien& operator=(const Alien&) Alien& operator=(Alien&&) = delete; delete; // === =======: // = allowed functions = // ==========---======== Alien(Game& game, int index); ~Alien() override = default; void disappear (); int getPoints() const { return mPoints; } private: int resolveYPosition(); private: int mIndex; int mPoints; }; typedef std::shared_ptr<Alien> AlienPtr;
Transcribed Image Text:namespace space_invaders class Alien : public AnimatedEntity { public: /** The initial step size of the aliens. */ static const int INITIAL_STEP_SIZE - 55; /** The amount of steps to speed up the alien movement on each destruct. */ static const int STEP_DECREMENT_SIZE = 1; /** The amount of aliens per row. */ static const int ALIENS_PER_ROW = 11; // ========= ====== forbidden default functions = // = // ======: ========= Alien() = delete; Alien(const Alien&) = delete; Alien(Alien&&) = delete; Alien& operator=(const Alien&) Alien& operator=(Alien&&) = delete; delete; // === =======: // = allowed functions = // ==========---======== Alien(Game& game, int index); ~Alien() override = default; void disappear (); int getPoints() const { return mPoints; } private: int resolveYPosition(); private: int mIndex; int mPoints; }; typedef std::shared_ptr<Alien> AlienPtr;
Expert Solution
steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Business Models
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education
SEE MORE TEXTBOOKS