New grow and skid sounds from remaxim

[supertux.git] / src / physic.hpp

diff --git a/src/physic.hpp b/src/physic.hpp
index f7ec065..f8e807d 100644 (file)
--- a/src/physic.hpp
+++ b/src/physic.hpp
@@ -43,7 +43,7 @@ public:
   void set_velocity_x(float vx);
   void set_velocity_y(float vy);
 
-  /// Velocities invertion.
+  /// Velocity inversion.
   void inverse_velocity_x();
   void inverse_velocity_y();
 
@@ -68,6 +68,12 @@ public:
   void enable_gravity(bool gravity_enabled);
   bool gravity_enabled() const;
 
+  /// Set gravity to apply to object when enabled
+  void set_gravity(float gravity);
+
+  /// Get gravity to apply to object when enabled
+  float get_gravity() const;
+
   Vector get_movement(float elapsed_time);
 
 private:
@@ -75,8 +81,17 @@ private:
   float ax, ay;
   /// horizontal and vertical velocity
   float vx, vy;
-  /// should we respect gravity in out calculations?
+  /// should we respect gravity in our calculations?
   bool gravity_enabled_flag;
+  /// current gravity (multiplied by 100) to apply to object, if enabled
+  float gravity;
+};
+
+class UsesPhysic
+{
+public:
+  Physic physic;
+  friend class Sector;
 };
 
 #endif