cpp

#include "Game.h"
#define C_SPEED 0.5f
#define friction 0.75f
#define SCREEN_WIDTH 800
#define SCREEN_HEIGHT 600
#define Speed 10.0f


Game::Game(int argc, char* argv[])
{
	gameWindow = new RenderWindow(VideoMode(SCREEN_WIDTH, SCREEN_HEIGHT ), "THING");
	gameWindow->setFramerateLimit(60);

	Clock clock;

	direction = 0;
	
	//physics
	
	LoadContent();
	

	while (gameWindow->isOpen())
	{
		// check all the window's events that were triggered since the last iteration of the loop
		sf::Event event;
		while (gameWindow->pollEvent(event))
		{
			// "close requested" event: we close the window
			if (event.type == sf::Event::Closed)
				gameWindow->close();
		}

		Update(clock.restart().asMilliseconds());
		Draw();
	}
}



Game::~Game()
{
}


void Game::CheckViewPortCollision(int elapsedTime)
{
	/*maxSpeed = 8.0f;
	
	velocity = maxSpeed;
	velocity *= 0.001f;*/

	//if bounds our greater than screen width push in different dirrection
	if (sprite->getPosition().x + sprite->getLocalBounds().width > SCREEN_WIDTH)
	{
		
		sprite->setPosition(sprite->getPosition().x  -  C_SPEED* elapsedTime, sprite->getPosition().y);
		//velocity *= 0.95f;
	}	

	if (sprite->getPosition().x - sprite->getLocalBounds().left < 0)
	{
		sprite->setPosition(sprite->getPosition().x + C_SPEED * elapsedTime, sprite->getPosition().y);
	}

	if (sprite->getPosition().y - sprite->getLocalBounds().top < 0)
	{
		
		sprite->setPosition(sprite->getPosition().x, sprite->getPosition().y + C_SPEED * elapsedTime);
	}

	if (sprite->getPosition().y + sprite->getLocalBounds().height > SCREEN_HEIGHT)
	{
		
		sprite->setPosition(sprite->getPosition().x, sprite->getPosition().y - C_SPEED * elapsedTime);
		
	}
	
}

 

void Game::LoadContent()
{
	//Load all your shit
	sprite = new Sprite();
	sprite->setTextureRect(sf::IntRect(0, 0, 32 ,32));
	sprite->setPosition(sf::Vector2f(5, 10));

	texture = new Texture();

	texture->loadFromFile("Texture/Pacman.tga");
	
		sprite->setTexture(*texture);
		sprite->setPosition(150.f, 150.f);	

}

void Game::Update(int elapsedTime)
{
	//Update all your shit
	
	speed = 0.75f;
	AddingSpeed = 0.25f;

	if (speed < 1.5f)
	{
		maxSpeed = speed += AddingSpeed;
	}
	float x = sprite->getPosition().x;
	float y = sprite->getPosition().y;

	x += velocity_x;
	y += velocity_y;

	velocity_x += acceleration_x;
	velocity_y += acceleration_y;

	if (sf::Keyboard::isKeyPressed(sf::Keyboard::D))
	{
		
		//This moves the sprite to the right
		sprite->setPosition(sprite->getPosition().x + acceleration_x * elapsedTime, sprite->getPosition().y);
		
	}

	if (sf::Keyboard::isKeyPressed(sf::Keyboard::A))
	{
		sprite->setPosition(sprite->getPosition().x - C_SPEED * elapsedTime, sprite->getPosition().y);

	}

	if (sf::Keyboard::isKeyPressed(sf::Keyboard::W))
	{
		sprite->setPosition(sprite->getPosition().x, sprite->getPosition().y - C_SPEED * elapsedTime);

	}
	if (sf::Keyboard::isKeyPressed(sf::Keyboard::S))
	{
		sprite->setPosition(sprite->getPosition().x, sprite->getPosition().y + C_SPEED * elapsedTime);
	}

	CheckViewPortCollision(elapsedTime);

	

}

void Game::Draw()
{
	//Draw all your shit
	gameWindow->clear(Color::Black);


	//RectangleShape rect = RectangleShape(Vector2f(150.0f, 150.0f));
	//rect.setFillColor(Color::Red);
	//rect.setPosition(Vector2f(200.0f, 200.0f));
	gameWindow->draw(*sprite);
	

	gameWindow->display();
}

Header

#pragma once
#include "SFML\Graphics.hpp"
#include "SFML\Window.hpp"
#include "SFML\System.hpp"

using namespace sf;

class Game
{
private:
	RenderWindow* gameWindow;

public:
	Game(int argc, char* argv[]);
	~Game();	
	
	sf::Sprite* sprite;
	sf::Texture* texture;
	int direction;
	float speed;
	float velocity;
	float AddingSpeed;
	float maxSpeed;
	float velocity_x;
	float velocity_y;
	float acceleration_x = 0.75f;
	float acceleration_y = 0.75f;



	bool locationAllowed(sf::Sprite sprite);
	void CheckViewPortCollision(int elapsedTime);
	void LoadContent();
	void Update(int elapsedTime);
	void Draw();
	
};

main

#include "Game.h"

using namespace sf;

int main(int argc, char* argv[])
{
	Game* newGame = new Game(argc, argv);
}