moving to magnum

Bird.cpp

@@ -0,0 +1,29 @@
+#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);
+}
+