BulletUpdateComponent.cpp

#include "BulletUpdateComponent.h"
#include "WorldState.h"

void BulletUpdateComponent::spawnForPlayer(
	Vector2f spawnPosition)
{
	m_MovingUp = true;
	m_BelongsToPlayer = true;
	m_IsSpawned = true;

	m_TC->getLocation().x = spawnPosition.x;
	// Tweak the y location based on the height of the bullet 
	// The x location is already tweaked to the center of the player
	m_TC->getLocation().y = spawnPosition.y - m_TC->getSize().y;
	// Update the collider
	m_RCC->setOrMoveCollider(m_TC->getLocation().x,
		m_TC->getLocation().y,
		m_TC->getSize().x, m_TC->getSize().y);
}

void BulletUpdateComponent::spawnForInvader(
	Vector2f spawnPosition)
{
	m_MovingUp = false;
	m_BelongsToPlayer = false;
	m_IsSpawned = true;

	srand((int)time(0));
	m_AlienBulletSpeedModifier = (
		((rand() % m_ModifierRandomComponent)))
		+ m_MinimumAdditionalModifier;

	m_TC->getLocation().x = spawnPosition.x;
	// Tweak the y location based on the height of the bullet 
	// The x location already tweaked to the center of the invader
	m_TC->getLocation().y = spawnPosition.y;
	// Update the collider
	m_RCC->setOrMoveCollider(
		m_TC->getLocation().x, m_TC->
		getLocation().y, m_TC->getSize().x, m_TC->getSize().y);
}

void BulletUpdateComponent::deSpawn()
{
	m_IsSpawned = false;
}

bool BulletUpdateComponent::isMovingUp()
{
	return m_MovingUp;
}

void BulletUpdateComponent::update(float fps)
{
	if (m_IsSpawned)
	{
		if (m_MovingUp)
		{
			m_TC->getLocation().y -= m_Speed * fps;
		}
		else
		{
			m_TC->getLocation().y += m_Speed /
				m_AlienBulletSpeedModifier * fps;
		}

		if (m_TC->getLocation().y > WorldState::WORLD_HEIGHT
			|| m_TC->getLocation().y < -2)
		{
			deSpawn();
		}

		// Update the collider
		m_RCC->setOrMoveCollider(m_TC->getLocation().x,
			m_TC->getLocation().y,
			m_TC->getSize().x, m_TC->getSize().y);
	}
}