PhysicsSpace.h

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#ifndef ULT_PHYSICS_SPACE_H_INCLUDED
#define ULT_PHYSICS_SPACE_H_INCLUDED
 
#include "PhysicsObject.h"
 
namespace Ult
{

class PhysicsSpace
{
public:
    PhysicsSpace();
    virtual ~PhysicsSpace();

    void InfluenceObject(PhysicsObject* obj, float influencePct);

    void SetDensity(const float density) { mDensity = density; }
    float GetDensity() const { return mDensity; }

    void SetSurfaceHeight(const float height) { mSurfaceHeight = height; }
    float GetSurfaceHeight() const { return mSurfaceHeight; }

    void SetGravity(const Vector3D& v) { mGravity = v; }
    Vector3D GetGravity() const { return mGravity; }

    void SetIsAirAtmosphere(const bool b) { mIsAir = b; }
    bool IsAirAtmosphere() const { return mIsAir; }
 
protected:
    float mDensity;
    float mSurfaceHeight;
    Vector3D mGravity;
    bool mIsAir;
 
private:
    Vector3D CalcDrag(const Vector3D& dir, float V, float A, float CW);
    Vector3D CalcLift(const Vector3D& dir, const Vector3D& liftNormal, float V, float A, float CL);
    Vector3D CalcBuoyancy(float volume);
};
 
} // namespace Ult
 
#endif // ULT_PHYSICS_SPACE_H_INCLUDED