问题描述
我正在使用SFML库在C ++中创建经典的突破游戏。到目前为止，我已经实现了可移动的球拍和球。
目前，我的目标是创建砖块布局。到目前为止，我已经有了它，以便显示单个砖块。但是，我想这样做，以便可以使用字母（例如，使用字母'B'）在文本文件中绘制砖块布局，读取该文本文件的砖块布局并在游戏中绘制该布局。
我不确定如何执行此操作，因此任何帮助都会很棒！
到目前为止，这是我的代码（请注意，由于我认为此问题不需要它，因此我不包括Paddle和Ball）：
GameObject.h
#pragma once
#include <SFML/Graphics.hpp>
class GameObject
{
protected:
sf::Vector2f position;
float speed;
sf::RenderWindow& m_window;
public:
GameObject(float startX,float startY,sf::RenderWindow& window);
virtual ~GameObject() {};
virtual void Draw() = 0;
virtual void Update() = 0;
};
GameObject.cpp
#include "GameObject.h"
GameObject::GameObject(float startX,sf::RenderWindow& window)
: position{ startX,startY },speed{ 0.5f },m_window{ window }
{
}
Brick.h
#pragma once
#include "GameObject.h"
class Brick : public GameObject
{
private:
sf::RectangleShape brickShape;
static constexpr int shapeWidth = 50;
static constexpr int shapeHeight = 20;
int color;
int strength;
public:
Brick(float startX,sf::RenderWindow& window);
sf::FloatRect getPosition();
sf::RectangleShape getShape();
int getStrength();
void setStrength(int strengthValue);
void Draw() override;
void Update() override;
};
Brick.cpp
#include "Brick.h"
Brick::Brick(float startX,sf::RenderWindow& window)
: GameObject{ startX,startY,window }
{
brickShape.setSize(sf::Vector2f(shapeWidth,shapeHeight));
brickShape.setPosition(position);
color = (rand() % 2) + 1;
if (color == 1)
{
brickShape.setFillColor(sf::Color::Yellow);
strength = 1;
}
else
{
brickShape.setFillColor(sf::Color(255,165,0));
strength = 2;
}
}
sf::FloatRect Brick::getPosition()
{
return brickShape.getGlobalBounds();
}
sf::RectangleShape Brick::getShape()
{
return brickShape;
}
int Brick::getStrength()
{
return strength;
}
void Brick::setStrength(int strengthValue)
{
strength = strengthValue;
}
void Brick::Draw()
{
m_window.draw(brickShape);
}
void Brick::Update()
{
}
Game.h
#pragma once
#include <SFML/Graphics.hpp>
#include "Paddle.h"
#include "Ball.h"
#include "Brick.h"
#include <algorithm>
#include <fstream>
#include <iostream>
class Game
{
private:
sf::RenderWindow& m_window;
std::unique_ptr<Paddle> player;
std::unique_ptr<Ball> ball;
std::unique_ptr<Brick> brick;
std::vector<std::unique_ptr<Brick>>bricks;
int bricksCountX;
int bricksCountY;
public:
const unsigned int m_windowWidth;
const unsigned int m_windowHeight;
public:
Game(sf::RenderWindow& window,const unsigned int& windowWidth,const unsigned int& windowHeight);
float RandomFloat(float a,float b);
void ReadFile();
void HandleCollision();
void Handleinput();
void Draw();
void Update();
void Run();
};
Game.cpp
#include "Game.h"
Game::Game(sf::RenderWindow& window,const unsigned int& windowHeight)
: m_window{ window },m_windowWidth{ windowWidth },m_windowHeight{ windowHeight }
{
player = std::make_unique<Paddle>(m_windowWidth/2,m_windowHeight - 70,m_window);
ball = std::make_unique<Ball>(m_windowWidth / 2,m_windowHeight / 2,m_window);
ReadFile();
for (int i = 0; i < bricksCountX; i++)
for (int j = 0; j < bricksCountY; j++)
bricks.emplace_back(std::make_unique<Brick>((i + 1.5) * ((long long)brick->getShape().getSize().x + 3) + 22,(j + 5) * (brick->getShape().getSize().y + 3),m_window));
}
float Game::RandomFloat(float a,float b)
{
return ((b - a) * ((float)rand() / RAND_MAX)) + a;
}
void Game::ReadFile()
{
// Create a text string,which is used to output the text file
std::string bricksText;
int numOfLines = 0;
// Read from the text file
std::ifstream MyReadFile("Bricks Layout.txt");
// Use a while loop together with the getline() function to read the file line by line
while (std::getline(MyReadFile,bricksText))
{
++numOfLines;
// Output the text from the file
bricksCountX = bricksText.length();
std::cout << bricksCountX;
}
bricksCountY = numOfLines;
// Close the file
MyReadFile.close();
}
void Game::HandleCollision()
{
if (ball->getShape().getPosition().x - ball->geTradius() < 0.0f)
{
ball->reboundLeft();
}
else if (ball->getShape().getPosition().x + ball->geTradius() > m_windowWidth)
{
ball->reboundRight();
}
else if (ball->getShape().getPosition().y - ball->geTradius() < 0.0f)
{
ball->reboundTop();
}
else if (ball->getShape().getPosition().y + ball->geTradius() > m_windowHeight)
{
ball->ballAngle = ball->ballAngle * -1;
}
else if (ball->getPosition().intersects(player->getPosition()))
{
ball->reboundPaddle(*player);
}
for (unsigned int i = 0; i < bricks.size(); i++)
{
if (ball->getPosition().intersects(bricks[i]->getPosition()))
{
if (bricks[i]->getStrength() == 1)
{
ball->reboundBrick(*bricks[i]);
bricks.erase(std::remove(bricks.begin(),bricks.end(),bricks[i]),bricks.end());
}
else
{
ball->reboundBrick(*bricks[i]);
bricks[i]->setStrength(1);
}
}
}
}
void Game::Handleinput()
{
player->Handleinput();
}
void Game::Draw()
{
player->Draw();
ball->Draw();
for (unsigned int i = 0; i < bricks.size(); i++)
{
bricks[i]->Draw();
}
}
void Game::Update()
{
player->Update();
ball->Update();
brick->Update();
}
void Game::Run()
{
//Game Loop
while (m_window.isopen())
{
sf::Event event;
while (m_window.pollEvent(event))
{
if (event.type == sf::Event::Closed || sf::Keyboard::isKeypressed(sf::Keyboard::Escape))
m_window.close();
}
m_window.clear();
Draw();
Handleinput();
HandleCollision();
Update();
m_window.display();
}
}
解决方法
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