Add bow

src/Game.cpp

@@ -87,6 +87,10 @@ void Game::run()
             }
         }
 
+        int mouse_x, mouse_y;
+        SDL_GetMouseState(&mouse_x, &mouse_y);
+        player.angle = std::atan2(mouse_y - renderer.screen_height / 2, mouse_x - renderer.screen_width / 2);
+
         draw();
     }
 }

src/GameRenderer.cpp

@@ -54,11 +54,10 @@ void GameRenderer::draw_sprite(const Sprite sprite, const int x, const int y) co
 	SDL_RenderCopy(renderer, sprite.texture, nullptr, &rect);
 }
 
-void GameRenderer::draw_sprite_rotated(const Sprite sprite, const int x, const int y, const double angle, const int center_x, const int center_y) const
+void GameRenderer::draw_sprite_rotated(const Sprite sprite, const int x, const int y, const double angle) const
 {
 	const SDL_Rect rect = { .x = x, .y = y, .w = sprite.width, .h = sprite.height };
-	const SDL_Point center = { .x = center_x, .y = center_y };
-	SDL_RenderCopyEx(renderer, sprite.texture, nullptr, &rect, angle, &center, SDL_FLIP_NONE);
+	SDL_RenderCopyEx(renderer, sprite.texture, nullptr, &rect, angle, nullptr, SDL_FLIP_NONE);
 }
 
 void GameRenderer::clear_screen(const int r, const int g, const int b, const int a) const

src/GameRenderer.hpp

@@ -25,7 +25,7 @@ public:
 
     void draw_sprite(Sprite sprite, int x, int y) const;
 
-    void draw_sprite_rotated(Sprite sprite, int x, int y, double angle, int center_x, int center_y) const;
+    void draw_sprite_rotated(Sprite sprite, int x, int y, double angle) const;
 
     void clear_screen(int r, int g, int b, int a) const;
 

src/Player.cpp

@@ -4,6 +4,7 @@
 Player::Player(GameRenderer *renderer) : renderer(renderer)
 {
     hero_sprite = renderer->load_sprite("./assets/hero_front.png", 40, 40);
+    bow_sprite = renderer->load_sprite("./assets/bow_arrow.png", 22, 32);
 }
 
 void Player::draw() const
@@ -13,6 +14,13 @@ void Player::draw() const
         renderer->screen_width / 2 - hero_sprite.width / 2,
         renderer->screen_height / 2 - hero_sprite.height / 2
     );
+
+    renderer->draw_sprite_rotated(
+        bow_sprite,
+        renderer->screen_width / 2 - bow_sprite.width / 2 + std::cos(angle) * 30,
+        renderer->screen_height / 2 - bow_sprite.height / 2 + std::sin(angle) * 30,
+        angle * 180 / M_PI
+    );
 }
 
 void Player::update()

src/Player.hpp

@@ -7,7 +7,7 @@ class Player
 {
 private:
     GameRenderer *renderer;
-    Sprite hero_sprite;
+    Sprite hero_sprite, bow_sprite;
 
 public:
     double x = 0;
@@ -16,6 +16,8 @@ public:
     double x_vel = 0;
     double y_vel = 0;
 
+    double angle = 0.0;
+
     const double speed = 1.5;
 
     Player(GameRenderer *renderer);