#include <SFML/Graphics/RectangleShape.hpp>
#include "Bird.h"


Bird::Bird(float x, float y, const std::shared_ptr<std::vector<sf::Texture>> texture_list) : position(x, y), texture_list(texture_list), momentum(1.0)
{
    sprite = sf::Sprite(texture_list->at(0));
    sprite.setPosition(position);
}

void Bird::impulse(float p) {
    momentum = -p;
}

void Bird::tick(float step) {
    momentum += gravity * step; // Impart gravity
    position.y += momentum;
    sprite.setPosition(position);
}

void Bird::draw(sf::RenderTarget &target, sf::RenderStates states) const {
    target.draw(sprite, states);
}

bool Bird::collides(sf::FloatRect bounds)
{
    return sprite.getGlobalBounds().intersects(bounds);
}