제 16 장 SFML 로작성해보는 프로젝트 II 1. 상속을사용하여게임에필요한클래스를설계할수있다.
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1 제 16 장 SFML 로작성해보는 프로젝트 II 1. 상속을사용하여게임에필요한클래스를설계할수있다.
2 이번장에서만들어볼프로그램
3 소스 step #1 #include <SFML/Graphics.hpp> using namespace std; using namespace sf; int main() RenderWindow window(videomode(800, 600), "My window"); window.setframeratelimit(60); while (window.isopen()) window.clear(sf::color::blue); Event event; while (window.pollevent(event)) if (event.type == sf::event::closed) window.close(); window.display(); return 0;
4
5 소스 step #2 #include <SFML/Graphics.hpp> using namespace std; using namespace sf; const float BALL_SPEED = 5.0; class Ball : public CircleShape public: float speedx = BALL_SPEED, speedy = BALL_SPEED; Ball(float x, float y) : CircleShape(12.0) setposition(x, y); setfillcolor(color(255,128,0)); setorigin(0, 0); void update(); ;
6 소스 step #2 void Ball::update() move(speedx, speedy); if ((getposition().x) < 0) speedx = BALL_SPEED; else if ((getposition().x + 2 * 20) > 800) speedx = -BALL_SPEED; if (getposition().y < 0) speedy = BALL_SPEED; else if ((getposition().y + 2 * 20) > 600) speedy = -BALL_SPEED;
7 소스 step #2 int main() Ball ball = / 2, / 2 ; RenderWindow window(videomode(800, 600), "My window"); window.setframeratelimit(60); while (window.isopen()) window.clear(sf::color::blue); Event event; while (window.pollevent(event)) if (event.type == sf::event::closed) window.close(); ball.update(); window.draw(ball); window.display(); return 0;
8
9 소스 step #3 #include <SFML/Graphics.hpp> using namespace std; using namespace sf; const float BALL_SPEED = 5.0; class Paddle : public RectangleShape float init_x, init_y; public: Paddle(float x, float y): init_x(x), init_y(y) setsize( 80.0, 20.0 ); setposition(x, y); setfillcolor(color(0,255, 64)); setorigin(0, 0); void update(int x) setposition(x, init_y);
10 소스 step #3 class Ball : public CircleShape public: float speedx = BALL_SPEED, speedy = BALL_SPEED; Ball(float x, float y) : CircleShape(12.0) setposition(x, y); setfillcolor(color(255,128,0)); setorigin(0, 0); ; void update();
11 소스 step #3 void Ball::update() move(speedx, speedy); if ((getposition().x) < 0) speedx = BALL_SPEED; else if ((getposition().x + 2 * 20) > 800) speedx = -BALL_SPEED; if (getposition().y < 0) speedy = BALL_SPEED; else if ((getposition().y + 2 * 20) > 600) speedy = -BALL_SPEED;
12 소스 step #3 class Brick : public RectangleShape public: bool deleted = false; Brick(float x, float y) setsize( 60.0, 20.0 ); setposition(x, y); setfillcolor(color::yellow); setorigin(0, 0); ;
13 소스 step #3 int main() Ball ball = / 2, / 2 ; Paddle paddle = / 2, ; vector<brick> bricks; for (int x=0; x < 10; x++) for (int y=0; y < 5; y++) bricks.push_back( Brick( x*(60+3)+20, y*(20+3)+40)); RenderWindow window(videomode(800, 600), "My window"); window.setframeratelimit(60);
14 소스 while step (window.isopen()) #3 window.clear(sf::color::blue); Event event; while (window.pollevent(event)) if (event.type == sf::event::closed) window.close(); ball.update(); window.draw(ball); window.draw(paddle); for (auto& brick : bricks) window.draw(brick); window.display(); return 0;
15
16 소스 step #4 #include <SFML/Graphics.hpp> using namespace std; using namespace sf; const float BALL_SPEED = 5.0; class Paddle : public RectangleShape float init_x, init_y; public: Paddle(float x, float y): init_x(x), init_y(y) setsize( 80.0, 20.0 ); setposition(x, y); setfillcolor(color(0,255, 64)); setorigin(0, 0); void update(int x) setposition(x, init_y);
17 소스 step #4 class Ball : public CircleShape public: float speedx = BALL_SPEED, speedy = BALL_SPEED; Ball(float x, float y) : CircleShape(12.0) setposition(x, y); setfillcolor(color(255,128,0)); setorigin(0, 0); ; void update(); bool isintersecting(paddle& paddle); void handlecollision(paddle& paddle);
18 소스 step #4 void Ball::update() move(speedx, speedy); if ((getposition().x) < 0) speedx = BALL_SPEED; else if ((getposition().x + 2 * 20) > 800) speedx = -BALL_SPEED; if (getposition().y < 0) speedy = BALL_SPEED; else if ((getposition().y + 2 * 20) > 600) speedy = -BALL_SPEED; bool Ball::isIntersecting(Paddle& paddle) return getglobalbounds().intersects(paddle.getglobalbounds());
19 소스 step #4 void Ball::handleCollision(Paddle& paddle) if (!isintersecting(paddle)) return; speedy = -BALL_SPEED; if (getposition().x < paddle.getposition().x) speedx = -BALL_SPEED; else speedx = BALL_SPEED;
20 소스 class Brick : step public RectangleShape #4 public: bool deleted = false; Brick(float x, float y) setsize( 60.0, 20.0 ); setposition(x, y); setfillcolor(color::yellow); setorigin(0, 0); bool isintersecting(ball& ball) return getglobalbounds().intersects(ball.getglobalbounds()); void handlecollision(ball& ball) if (!isintersecting(ball)) return; deleted = true; ;
21 소스 step #4 int main() Ball ball = / 2, / 2 ; Paddle paddle = / 2, ; vector<brick> bricks; for (int x=0; x < 10; x++) for (int y=0; y < 5; y++) bricks.push_back( y*(20+3)+40)); Brick(x*(60+3)+20, RenderWindow window(videomode(800, 600), "My window"); window.setframeratelimit(60);
22 소스 step #4 while (window.isopen()) window.clear(sf::color::blue); Event event; while (window.pollevent(event)) if (event.type == sf::event::closed) window.close(); sf::vector2i position = sf::mouse::getposition(window); // window is a sf::window paddle.update(position.x);
23 소스 step #4 ball.update(); ball.handlecollision(paddle); for (auto& brick : bricks) brick.handlecollision(ball); bricks.erase(remove_if(begin(bricks), end(bricks), [](Brick& b) return b.deleted; ), end(bricks)); window.draw(ball); window.draw(paddle); for (auto& brick : bricks) window.draw(brick); window.display(); return 0;
24
25 Q & A
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