SDL2-Galaga/Bullet.cpp at master · OneMeanDragon/SDL2-Galaga · GitHub

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#include "Bullet.h"

Bullet::Bullet()
{
	mTimer = Timer::Instance();
	mSpeed = 1000.0f;
	mTexture = new Texture("bullet.png");
	mTexture->Parent(this);
	mTexture->Pos(VEC2_ZERO);

	Reload();
}

Bullet::~Bullet()
{
	mTimer = NULL;

	delete mTexture;
	mTexture = NULL;
}

void Bullet::Fire(Vector2 pos)
{
	Pos(pos);
	Active(true);
}

void Bullet::Reload()
{
	Active(false);
}

void Bullet::Update()
{
	if (Active())
	{
		Translate(-VEC2_UP * mSpeed * mTimer->DeltaTime(), local);

		Vector2 pos = Pos();

		if (pos.y < -OFFSCREEN_BUFFER || pos.y > Graphics::Instance()->SCREEN_HEIGHT + OFFSCREEN_BUFFER)
		{
			Reload();
		}
	}
}

void Bullet::Render()
{
	if (Active())
	{
		mTexture->Render();
	}
}