Asteroid.cpp

#include "Asteroid.h"
#include "Playership.h"

Asteroid::Asteroid(unsigned int ScreenWidth, unsigned int ScreenHeight)
    : _ScreenWidth{ ScreenWidth }
    , _ScreenHeight{ ScreenHeight }
{
    AsteroidTexture.loadFromFile("resources/asteroid.png");
    AsteroidObj.setTexture(AsteroidTexture);
    AsteroidObj.setScale(0.25, 0.25);
    AsteroidObj.setOrigin(AsteroidObj.getOrigin());
    AsteroidObj.setPosition(_ScreenWidth / 2.0f, _ScreenHeight / 2.0f);
}

void Asteroid::MoveAsteroid()
{
    float AsteroidSpeed = 5;

    _DistToPlayer = sqrt((_LastXCoord - _ScreenWidth / 2.0f) * (_LastXCoord - _ScreenWidth / 2.0f) +
        (_LastYCoord - _ScreenHeight / 2.0f) * (_LastYCoord - _ScreenHeight / 2.0f));
    auto _xIncrement = AsteroidSpeed * (_LastXCoord - _ScreenWidth / 2.0f) / _DistToPlayer;
    auto _yIncrement = AsteroidSpeed * (_LastYCoord - _ScreenHeight / 2.0f) / _DistToPlayer;

    _CentreScreenX += _xIncrement;
    _CentreScreenY += _yIncrement;

    Coordinate_x = _CentreScreenX;
    Coordinate_y = _CentreScreenY;

    AsteroidObj.setPosition(Coordinate_x, Coordinate_y);
}

void Asteroid::DrawAsteroid(sf::RenderWindow& window)
{

    window.draw(AsteroidObj);
}

float Asteroid::XGetPos()
{

    return AsteroidObj.getPosition().x;
}

float Asteroid::YGetPos()
{

    return AsteroidObj.getPosition().y;
}

void Asteroid::setPlayerLastCoord(int X, int Y)
{

    _LastXCoord = X;
    _LastYCoord = Y;
}

void Asteroid::ResetPos()
{

    _CentreScreenX = _ScreenWidth / 2.0f;
    _CentreScreenY = _ScreenHeight / 2.0f;

    AsteroidObj.setPosition(_ScreenWidth / 2.0f, _ScreenHeight / 2.0f);
}