Another SFML pong error.... :(

Thomas Hobohm · 2012-09-28T01:35:03

Well, I have my work cut out for me. Pong seems impossible! It won't display my sprite to the screen for some reason? Pong.cpp: (The extra Sprite is just for reference, ignore it) // Pong.cpp : Defines the entry point for the console application. // #include "stdafx.h" #include <SFML/Graphics.hpp> #include "Paddle.h" int _tmain(int argc, _TCHAR* argv[]) { sf::RenderWindow App(sf::VideoMode(800,600,32), "Pong"); App.SetFramerateLimit(30); sf::Image Image1; sf::Sprite Sprite1; if (!Image1.LoadFromFile("images/RedPaddle.png")) return EXIT_FAILURE; Sprite1.SetImage(Image1); Sprite1.Move(350, 750); Paddle Paddle1; Paddle1.Initialize(200, false, Image1); while (App.IsOpened()) { sf::Event Event; while (App.GetEvent(Event)) { if (Event.Type == sf::Event::Closed) App.Close(); } Paddle1.Update(App, Image1); Paddle1.Draw(App); App.Clear(); App.Display(); } return 0; } Paddle.hpp: #pragma once #include <SFML/Graphics.hpp> class Paddle { public: void Draw(sf::RenderWindow &Window); void Update(sf::RenderWindow &Window, sf::Image PaddleImage); void Initialize(float speedx, bool isplayercontrolled, sf::Image Image); private: sf::FloatRect Collision; sf::Sprite PaddleSprite; bool HasAI; float speedx; }; Paddle.cpp: #include "stdafx.h" #include <SFML/Graphics.hpp> #include "Paddle.h" void Paddle::Initialize(float speedx, bool isplayercontrolled, sf::Image Image) { this->speedx = speedx; HasAI = isplayercontrolled; PaddleSprite.SetImage(Image); } void Paddle::Draw(sf::RenderWindow &Window) { Window.Draw(PaddleSprite); } void Paddle::Update(sf::RenderWindow &Window, sf::Image PaddleImage) { if (sf::Key::Left) PaddleSprite.Move(-speedx * Window.GetFrameTime(), 0); else if (sf::Key::Right) PaddleSprite.Move(speedx * Window.GetFrameTime(), 0); Collision.Top = PaddleSprite.GetPosition().y; Collision.Left = PaddleSprite.GetPosition().x; Collision.Bottom = Collision.Top + PaddleImage.GetHeight(); Collision.Right = Collision.Left + PaddleImage.GetWidth(); }

For Beginners

Started by superman3275 September 26, 2012 01:09 AM

11 comments, last by superman3275 11 years, 6 months ago

Kaptein

2,226

September 27, 2012 05:24 AM

forward declares makes your life so much easier

if you google the subject you can see all sorts of ways to use them, and it will give you many more options when you are designing your application
there was indeed a time when i didn't know about them

trying to sew together an application without them was a nightmare..
it compiled fast! but.. it was a real nightmare, and thank god someone told me about forward declares.. i use it on an as-needed basis!

wqking

778

September 27, 2012 06:07 AM

OP, not directly related to your question, but I highly suggest you start from the sample code in SFML package.
It's guaranteed working code (other wise, poke SFML author for a bug report

), and what you need to do is to understand the code, then re-structure it for your need, add more game plays, etc.
There is a Pong sample code and I tested it works very well.

https://www.kbasm.com -- My personal website

https://github.com/wqking/eventpp eventpp -- C++ library for event dispatcher and callback list

https://github.com/cpgf/cpgf cpgf library -- free C++ open source library for reflection, serialization, script binding, callbacks, and meta data for OpenGL Box2D, SFML and Irrlicht.

superman3275

2,061

Author

September 28, 2012 01:35 AM

Look in the beginner section! I finished the game thanks to you guys' help!!!!!

I'm a game programmer and computer science ninja !

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Want to ask about Python, Flask, wxPython, Pygame, C++, HTML5, CSS3, Javascript, jQuery, C++, Vimscript, SFML 1.6 / 2.0, or anything else? Recruiting for a game development team and need a passionate programmer? Just want to talk about programming? Email me here:

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Another SFML pong error.... :(

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Another SFML pong error.... :(

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