void KCurvature(const std::vector<Point2Di>& boundary, int k, std::vector<float>& curvature)
{
// Clear any previous curvature data
curvature.resize(boundary.size());
int boundaryLength = boundary.size();
for(int i=0; i<boundaryLength; i++)
{
int backIndex = (i - k) % boundaryLength;
if(backIndex < 0)
backIndex += boundaryLength;
int fwrdIndex = (i + k) % boundaryLength;
if(fwrdIndex >= boundaryLength)
fwrdIndex = boundaryLength - fwrdIndex;
Point2Di backVector(boundary[i].x - boundary[backIndex].x, boundary[i].y - boundary[backIndex].y);
Point2Di fwrdVector(boundary[i].x - boundary[fwrdIndex].x, boundary[i].y - boundary[fwrdIndex].y);
curvature[i] = std::acos(Point2Di::Dot(backVector, fwrdVector) / (backVector.Magnitude() * fwrdVector.Magnitude()));
}
return;
}
int main()
{
//Create window, and limit frame rate
sf::RenderWindow window (sf::VideoMode(800, 600, 32), "Game", sf::Style::Default);
window.setFramerateLimit(60);
//------------------------TEXTURES------------------------------
//Declare textures
sf::Texture texture;
sf::Texture texture1;
sf::Texture texture2;
//Load image
if(!texture.loadFromFile("Sprites/main.png"))
{
return 1;
}
if(!texture1.loadFromFile("Sprites/background.png"))
{
return 1;
}
if(!texture2.loadFromFile("Sprites/house.png"))
{
return 1;
}
//------------------------SPRITES--------------------------
//Creates and places the sprites
sf::Sprite sprite;
sf::Sprite background;
sf::Sprite house;
sprite.setPosition(400, 300);
background.setPosition(0, 0);
house.setPosition(440, 300);
//Loads texture into sprite
sprite.setTexture(texture);
background.setTexture(texture1);
house.setTexture(texture2);
//-------------------------RECTANGLES--------------------------------
//Declares the rectangles
sf::IntRect front(1, 1, 18, 24);
sf::IntRect back (20, 1, 18, 24);
sf::IntRect left (20, 26, 18, 24);
sf::IntRect right (1, 26, 18, 24);
//Steps
sf::IntRect frontLeft(39, 1, 18, 24);
sf::IntRect frontRight(39, 26, 18, 24);
sf::IntRect backLeft();
sf::IntRect backRight();
sf::IntRect leftLeft();
sf::IntRect leftRight();
sf::IntRect rightLeft();
sf::IntRect rightRight();
sf::IntRect backgroundRect (0, 0, 800, 600);
sf::IntRect houseRect (0, 0, 17, 22);
//Crop sprites using rectangles defined above
sprite.setTextureRect(front);
background.setTextureRect(backgroundRect);
house.setTextureRect(houseRect);
//-----------------------SOUND------------------------------------------------------
//Declare the Sound Buffer
sf::SoundBuffer footstepsBuffer;
sf::SoundBuffer bumpBuffer;
//Loads the sound file
if(!footstepsBuffer.loadFromFile("Sounds/footsteps.wav"))
{
return 1;
}
if(!bumpBuffer.loadFromFile("Sounds/bump.wav"))
{
return 1;
}
//Declare sound
sf::Sound footsteps;
sf::Sound bump;
//Load Buffer into Sound
footsteps.setBuffer(footstepsBuffer);
bump.setBuffer(bumpBuffer);
//-------------------------------MAIN-----------------------------
//Main window loop
while(window.isOpen())
{
sf::Event event;
//Vectors used for collision
sf::Vector2i spritePosition(sprite.getPosition());
sf::Vector2i backgroundPosition(background.getPosition());
sf::Vector2i housePosition(house.getPosition());
//Sprite Vectors
sf::Vector2i backVector(back.width, back.height);
sf::Vector2i frontVector(front.width, front.height);
sf::Vector2i rightVector(right.width, right.height);
sf::Vector2i leftVector(left.width, left.height);
//House Vectors
sf::Vector2i houseVector(houseRect.width, houseRect.height);
while(window.pollEvent(event))
{
if(event.type == sf::Event::Closed)
{
window.close();
}
if(event.key.code == sf::Keyboard::Insert)
{
sf::Image screenshot = window.capture();
screenshot.saveToFile("Screenshot.png");
}
}
//-----------------------------------MOVEMENT----------------------------------------
if(sf::Keyboard::isKeyPressed(sf::Keyboard::Up))
{
//Change to stepping sprite
Sleep(250);
sprite.setTextureRect(back);
sprite.move(0, -24);
//Redeclaring the collision textures
sf::Vector2i spritePosition(sprite.getPosition());
sf::Vector2i housePosition(house.getPosition());
if(collision(spritePosition, backVector, housePosition, houseVector) == true)
{
sprite.move(0, 24);
bump.play();
}
else
{
footsteps.play();
}
}
else if(sf::Keyboard::isKeyPressed(sf::Keyboard::Down))
{
//Change to stepping sprite
Sleep(250);
sprite.setTextureRect(front);
sprite.move(0, 24);
//Redeclaring the collision textures
sf::Vector2i spritePosition(sprite.getPosition());
sf::Vector2i housePosition(house.getPosition());
if(collision(spritePosition, frontVector, housePosition, houseVector) == true)
{
sprite.move(0, -24);
bump.play();
}
else
{
footsteps.play();
}
}
else if(sf::Keyboard::isKeyPressed(sf::Keyboard::Right))
{
//Change to stepping sprite
Sleep(250);
sprite.setTextureRect(right);
sprite.move(19, 0);
//Redeclaring the collision textures
sf::Vector2i spritePosition(sprite.getPosition());
sf::Vector2i housePosition(house.getPosition());
if(collision(spritePosition, leftVector, housePosition, houseVector) == true)
{
sprite.move(-19, 0);
bump.play();
}
else
{
footsteps.play();
}
}
else if(sf::Keyboard::isKeyPressed(sf::Keyboard::Left))
{
//Change to stepping sprite
Sleep(250);
sprite.setTextureRect(left);
sprite.move(-19, 0);
//Redeclaring the collision textures
sf::Vector2i spritePosition(sprite.getPosition());
sf::Vector2i housePosition(house.getPosition());
if(collision(spritePosition, rightVector, housePosition, houseVector) == true)
{
sprite.move(19, 0);
bump.play();
}
else
{
footsteps.play();
}
}
//Draw sequence
window.clear(); //(Red, Green, Blue, (optional) Alpha) Alpha is transperency
//Draw....
window.draw(background);
window.draw(house);
window.draw(sprite);
window.display();
std::cout << x << std::endl;
std::cout << y << std::endl;
}
return 0;
}
