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Charge.cpp
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Charge.cpp
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#include "Charge.h"
// Constructor
Charge::Charge(const sf::RenderWindow& window, sf::Vector2i mouseWindowPosition, bool polarity)
{
this -> shape.setRadius(R);
this -> shape.setPosition(window.mapPixelToCoords(sf::Vector2i(mouseWindowPosition.x - static_cast<int>(this -> shape.getRadius()),
mouseWindowPosition.y - static_cast<int>(this -> shape.getRadius()))));
this -> E_c = new ElectricField(sf::Vector2i(mouseWindowPosition.x, mouseWindowPosition.y), polarity);
this -> horbar.setSize(sf::Vector2f(R, W));
this -> horbar.setPosition(window.mapPixelToCoords(sf::Vector2i(mouseWindowPosition.x - static_cast<int>(R/2), mouseWindowPosition.y - static_cast<int>(W/2))));
this -> horbar.setFillColor(sf::Color::Black);
if(polarity)
{
// Positive charge
this -> verbar.setSize(sf::Vector2f(R, W));
this -> verbar.setPosition(window.mapPixelToCoords(sf::Vector2i(mouseWindowPosition.x + static_cast<int>(W/2), mouseWindowPosition.y - static_cast<int>(R/2))));
this -> verbar.rotate(90);
this -> verbar.setFillColor(sf::Color::Black);
this -> shape.setFillColor(sf::Color(255,50,50));
}
else
{
// Negative charge
this -> verbar.setSize(sf::Vector2f(0.f, 0.f));
this -> shape.setFillColor(sf::Color(50,50,255));
}
}
// Destructor
Charge::~Charge(){}
// Accessors
// Mutators
// Other Methods
void Charge::render(sf::RenderTarget* target)
{
target -> draw(this -> shape);
target -> draw(this -> horbar);
target -> draw(this -> verbar);
}