head.h

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// description of a class that models the motion of a human head.
// The physics isn't quite right, but it will suffice for right now.

#ifndef LL_HEAD_H
#define LL_HEAD_H

class Head {
  public:

  Head();
  Head(F32 m, F32 r);

  F32 setMass(F32 m);
  F32 setRadius(F32 r);

  F32 getMass();
  F32 getRadius();
  F32 getInertia();

  void propagate(F32 horizontal_force, F32 vertical_force, F32 dt);

  F32 phi, theta;                    // azimuth and elevation
  //struct timeval t;
  //struct timezone tz;

  private:
  F32 mass, radius, inertia;
};

#endif

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