added lives

types.h

@@ -8,7 +8,11 @@
 #include "raylib.h"
 
 struct Player : Rectangle {
+    uint8_t lives;
+    double last_hit;
     [[nodiscard]] Vector2 center() const noexcept;
+    [[nodiscard]] Rectangle rect() const noexcept;
+    [[nodiscard]] bool is_invulnerable(double now) const noexcept;
 
     void move(float delta_x, float delta_y);
 };
@@ -34,6 +38,6 @@ struct Tear {
 struct Enemy {
     Vector2 center;
     float radius;
-    Vector2 moving;
+    float speed;
     bool alive;
 };