osg::ref_ptr<osg::Geode> TestSCylinder()
{
osg::Vec3 org(0, 0, 0);
osg::Vec3 height(0, 0, 200);
osg::Vec3 bottomNormal(0, -1, -1);
bottomNormal.normalize();
double radius = 50;
osg::Vec4 color(1, 1, 1, 0);
osg::ref_ptr<osg::Geode> geode = new osg::Geode;
geode->addDrawable(Geometry::BuildSCylinder(org, height, bottomNormal, radius, color));
return geode;
}
int main()
{
std::srand(static_cast<unsigned int>(std::time(NULL)));
const float pi = 3.14159f;
const int WIDTH = 900;
const int HEIGHT = 600;
sf::Time ball2ReleaseTime = sf::seconds(3);
bool isMoving = false;
bool isPlaying = false;
sf::RenderWindow PONG(sf::VideoMode(WIDTH, HEIGHT, 32), "Pong", sf::Style::Titlebar | sf::Style::Close);
PONG.setVerticalSyncEnabled(true);
sf::Vector2f racketSize(20, 100);
float racketSpeed = 1;
sf::RectangleShape p1racket;
p1racket.setSize(racketSize);
p1racket.setFillColor(sf::Color::Red);
sf::RectangleShape p2racket;
p2racket.setSize(racketSize);
p2racket.setFillColor(sf::Color::Blue);
float ballSpeed = 0.5;
float ballRad = 10;
float ballDia = ballRad * 2;
float ball1Angle = 0;
do { ball1Angle = (std::rand() % 360) * pi / 180; } while (std::abs(std::cos(ball1Angle)) < 0.7f);
float ball2Angle = 0;
do { ball2Angle = (std::rand() % 360) * pi / 180; } while (std::abs(std::cos(ball1Angle)) < 0.7f);
sf::Vector2f topNormal(0, ballSpeed);
sf::Vector2f bottomNormal(0, -ballSpeed);
sf::CircleShape ball1;
ball1.setRadius(ballRad);
ball1.setFillColor(sf::Color::Cyan);
float ball1vx = std::cos(ball1Angle) * ballSpeed;
float ball1vy = std::sin(ball1Angle) * ballSpeed;
sf::CircleShape ball2;
ball2.setRadius(ballRad);
ball2.setFillColor(sf::Color::White);
float ball2vx = std::cos(ball2Angle) * ballSpeed;
float ball2vy = std::sin(ball2Angle) * ballSpeed;
p1racket.setPosition (0, HEIGHT / 2);
p2racket.setPosition(WIDTH - racketSize.x, HEIGHT / 2);
ball1.setPosition(WIDTH / 2, HEIGHT / 2);
ball2.setPosition(WIDTH / 2, HEIGHT / 2);
sf::Clock clock;
sf::Clock clock2;
while (PONG.isOpen())
{
sf::Event event;
while (PONG.pollEvent(event))
{
if (event.type == sf::Event::Closed)
PONG.close();
}
int gameTime = clock.restart().asMilliseconds();
isMoving = false;
if (sf::Keyboard::isKeyPressed(sf::Keyboard::W)) {
p1racket.move(0, -racketSpeed * gameTime);
if (p1racket.getPosition().y < 0)
p1racket.setPosition(p1racket.getPosition().x, 0);
isMoving = true;
}
if (sf::Keyboard::isKeyPressed(sf::Keyboard::S))
{
p1racket.move(0, racketSpeed * gameTime);
if (p1racket.getPosition().y > HEIGHT - racketSize.y)
p1racket.setPosition(p1racket.getPosition().x, HEIGHT - racketSize.y);
isMoving = true;
}
if (sf::Keyboard::isKeyPressed(sf::Keyboard::Up)) {
p2racket.move(0, -racketSpeed * gameTime);
if (p2racket.getPosition().y < 0)
p2racket.setPosition(p2racket.getPosition().x, 0);
isMoving = true;
}
if (sf::Keyboard::isKeyPressed(sf::Keyboard::Down))
{
p2racket.move(0, racketSpeed * gameTime);
if (p2racket.getPosition().y > HEIGHT - racketSize.y)
p2racket.setPosition(p2racket.getPosition().x, HEIGHT - racketSize.y);
isMoving = true;
}
sf::Vector2f ball1Movement(ball1vx * gameTime, ball1vy * gameTime);
ball1.move(ball1Movement);
if ((ball1.getPosition().y <= 0) || (ball1.getPosition().y >= HEIGHT - ballDia)) {
ball1vy = -ball1vy;
ball1Angle = -ball1Angle;
}
if ((ball2.getPosition().y <= 0) || (ball2.getPosition().y >= HEIGHT - ballDia)) {
ball2vy = -ball2vy;
ball2Angle = -ball2Angle;
}
if ((ball1.getPosition().x >= p1racket.getPosition().x + racketSize.x / 2) &&
(ball1.getPosition().x <= p1racket.getPosition().x + racketSize.x) &&
(ball1.getPosition().y >= p1racket.getPosition().y - .1) &&
(ball1.getPosition().y <= p1racket.getPosition().y + racketSize.y + .1))
{
if (isMoving)
{
ball1Angle = ball1Angle - pi + ((rand() % 6) - 3) / 100;
ball1vx = std::cos(ball1Angle) * ballSpeed * 1.5f;
ball1vy = std::sin(ball1Angle) * ballSpeed * 1.5f;
}
else
ball1vx = -ball1vx;
}
if ((ball2.getPosition().x >= p1racket.getPosition().x + racketSize.x / 2) &&
(ball2.getPosition().x <= p1racket.getPosition().x + racketSize.x) &&
(ball2.getPosition().y >= p1racket.getPosition().y - .1) &&
(ball2.getPosition().y <= p1racket.getPosition().y + racketSize.y + .1))
{
if (isMoving)
{
if (ball2.getPosition().y > p1racket.getPosition().y)
ball2Angle = ball2Angle - pi + ((rand() % 6) - 3) / 100;
ball2vx = std::cos(ball2Angle) * ballSpeed * 1.5f;
ball2vy = std::sin(ball2Angle) * ballSpeed * 1.5f;
}
else
ball2vx = -ball2vx;
}
if ((ball1.getPosition().x + ballDia >= p2racket.getPosition().x) &&
(ball1.getPosition().x + ballDia <= p2racket.getPosition().x + racketSize.x / 2) &&
(ball1.getPosition().y >= p2racket.getPosition().y - .1) &&
(ball1.getPosition().y <= p2racket.getPosition().y + racketSize.y + .1))
{
if (isMoving)
{
ball1Angle = ball1Angle - pi + ((rand() % 6) - 3) / 100;
ball1vx = std::cos(ball1Angle) * ballSpeed * 1.5f;
ball1vy = std::sin(ball1Angle) * ballSpeed * 1.5f;
}
else
ball1vx = -ball1vx;
}
if ((ball2.getPosition().x + ballDia >= p2racket.getPosition().x) &&
(ball2.getPosition().x + ballDia <= p2racket.getPosition().x + racketSize.x /2) &&
(ball2.getPosition().y >= p2racket.getPosition().y - .1) &&
(ball2.getPosition().y <= p2racket.getPosition().y + racketSize.y + .1))
{
if (isMoving)
{
ball2Angle = ball2Angle - pi + ((rand() % 6) - 3) / 100;
ball2vx = std::cos(ball2Angle) * ballSpeed * 1.5f;
ball2vy = std::sin(ball2Angle) * ballSpeed * 1.5f;
}
else
ball2vx = -ball2vx;
}
PONG.clear();
PONG.draw(p1racket);
PONG.draw(p2racket);
PONG.draw(ball1);
if (clock2.getElapsedTime() > ball2ReleaseTime)
{
PONG.draw(ball2);
sf::Vector2f ball2Movement(ball2vx * gameTime, ball2vy * gameTime);
ball2.move(ball2Movement);
if (((ball1.getPosition().x >= ball2.getPosition().x) &&
(ball1.getPosition().x <= ball2.getPosition().x + ballDia) &&
(ball1.getPosition().y >= ball2.getPosition().y) &&
(ball1.getPosition().y <= ball2.getPosition().y + ballDia)) ||
((ball2.getPosition().x >= ball1.getPosition().x) &&
(ball2.getPosition().x <= ball1.getPosition().x + ballDia) &&
(ball2.getPosition().y >= ball1.getPosition().y) &&
(ball2.getPosition().y <= ball1.getPosition().y + ballDia))
)
{
ball1vx = -ball1vx;
ball2vx = -ball2vx;
}
}
PONG.display();
}
}
