#include "math/vector.h"
-/// Physics engine.
-/** This is a very simplistic physics engine handling accelerated and constant
- * movement along with gravity.
- */
-class Physic
-{
-public:
- Physic();
- ~Physic();
-
- /// Resets all velocities and accelerations to 0.
- void reset();
-
- /// Sets velocity to a fixed value.
- void set_velocity(float vx, float vy);
-
- void set_velocity_x(float vx);
- void set_velocity_y(float vy);
-
- /// Velocities invertion.
- void inverse_velocity_x();
- void inverse_velocity_y();
-
- float get_velocity_x();
- float get_velocity_y();
-
- /// Set acceleration.
- /** Sets acceleration applied to the object. (Note that gravity is
- * eventually added to the vertical acceleration)
- */
- void set_acceleration(float ax, float ay);
-
- void set_acceleration_x(float ax);
- void set_acceleration_y(float ay);
-
- float get_acceleration_x();
- float get_acceleration_y();
-
- /// Enables or disables handling of gravity.
- void enable_gravity(bool gravity_enabled);
-
- /// Applies the physical simulation to given x and y coordinates.
- void apply(float frame_ratio, float &x, float &y, float& gravity = 10);
-
- /// applies the physical simulation to given x and y coordinates.
- void apply(Vector& vector, float frame_ratio, float& gravity = 10);
-
-private:
- /// horizontal and vertical acceleration
- float ax, ay;
- /// horizontal and vertical velocity
- float vx, vy;
- /// should we respect gravity in out calculations?
- bool gravity_enabled;
-};
+namespace SuperTux
+ {
+
+ /// Physics engine.
+ /** This is a very simplistic physics engine handling accelerated and constant
+ * movement along with gravity.
+ */
+ class Physic
+ {
+ public:
+ Physic();
+ ~Physic();
+
+ /// Resets all velocities and accelerations to 0.
+ void reset();
+
+ /// Sets velocity to a fixed value.
+ void set_velocity(float vx, float vy);
+
+ void set_velocity_x(float vx);
+ void set_velocity_y(float vy);
+
+ /// Velocities invertion.
+ void inverse_velocity_x();
+ void inverse_velocity_y();
+
+ float get_velocity_x();
+ float get_velocity_y();
+
+ /// Set acceleration.
+ /** Sets acceleration applied to the object. (Note that gravity is
+ * eventually added to the vertical acceleration)
+ */
+ void set_acceleration(float ax, float ay);
+
+ void set_acceleration_x(float ax);
+ void set_acceleration_y(float ay);
+
+ float get_acceleration_x();
+ float get_acceleration_y();
+
+ /// Enables or disables handling of gravity.
+ void enable_gravity(bool gravity_enabled);
+
+ Vector get_movement(float elapsed_time);
+
+ private:
+ /// horizontal and vertical acceleration
+ float ax, ay;
+ /// horizontal and vertical velocity
+ float vx, vy;
+ /// should we respect gravity in out calculations?
+ bool gravity_enabled;
+ };
+
+} //namespace SuperTux
#endif /*SUPERTUX_PHYSIC_H*/