void RenderSystem::draw(GameObject* gameObject)
{
RenderComponent* render = gameObject->getComponent<RenderComponent>();
if (render != nullptr)
{
RectangleShape shape = *render->getDrawable();
TransformComponent* transform = gameObject->getComponent<TransformComponent>();
if (transform != nullptr)
{
shape.setPosition(transform->getPosition());
}
else
{
BoardComponent* boardComp = gameObject->getComponent<BoardComponent>();
if (boardComp != nullptr && mBoard != nullptr)
{
Vector2i boardPos = boardComp->getPosition();
shape.setPosition(mBoard->getTilePosition(boardPos.x, boardPos.y));
}
}
mWindow->draw(shape);
}
}
void RenderSystem::update(float dt, std::vector<GameObject*>* objects)
{
for (Ite i = objects->begin(); i != objects->end(); i++)
{
RenderComponent* render = (*i)->getComponent<RenderComponent>();
if (render != nullptr)
{
RectangleShape shape = *render->getDrawable();
PhysicsComponent* physics = (*i)->getComponent<PhysicsComponent>();
if (physics != nullptr)
{
Vector2f position = mScale * flipY(physics->getBody()->GetPosition());
shape.setPosition(position);
shape.setSize(1.02f * mScale * physics->getSize());
shape.setOrigin(shape.getSize() * 0.5f);
// positive direction is opposite in Box2D
shape.setRotation(-1.0f * physics->getBody()->GetAngle() * 180 / b2_pi);
}
mWindow->draw(shape);
}
}
}