Bullet.cpp

#include "Bullet.h"
#include "UtilsForVector.h"
#include "Assets.h"
#include "Settings.h"

const float Bullet::kMaxDistance = 800.0f;
const float Bullet::kAccelerationBullet = 10.0f;

Bullet::Bullet()
{
	m_texture.loadFromImage(Assets::Instance().getBullet());
	setTexture(m_texture);
	sf::IntRect textureRect = getTextureRect();
	setOrigin(textureRect.width / 2.f, textureRect.height / 2.f);
	m_isAlive = false;
	m_distance = 0.0f;
	m_vectorSpeed = { 0.0f, 0.0f };
}

void Bullet::update(float deltaTime)
{
	if (m_isAlive)
	{
		move(m_vectorSpeed);

		m_distance += lengthVector(m_vectorSpeed);

		if (m_distance > kMaxDistance)
			die();
	}
}

void Bullet::move(sf::Vector2f vectorSpeed)
{
	sf::Vector2f bulletPosition = getPosition();
	sf::Vector2f mapSize = Settings::Instance().getMapSize();

	bulletPosition += vectorSpeed;

	if (bulletPosition.x > mapSize.x) bulletPosition.x = 0;
	if (bulletPosition.x < 0) bulletPosition.x = mapSize.x;
	if (bulletPosition.y > mapSize.y) bulletPosition.y = 0;
	if (bulletPosition.y < 0) bulletPosition.y = mapSize.y;

	setPosition(bulletPosition);
}

bool Bullet::isAlive() const
{
	return m_isAlive;
}

void Bullet::wakeUp()
{
	m_isAlive = true;
	m_distance = 0.0f;
	m_vectorSpeed = vectorDirection(getRotation()) * kAccelerationBullet;
}

void Bullet::die()
{
	m_isAlive = false;
}

void Bullet::render(sf::RenderWindow* renderWindow)
{
	if (m_isAlive)
	{
		renderWindow->draw(*this);
	}
}