PhysicsObject.h

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#ifndef ULT_PHYSICS_OBJECT_H_INCLUDED
#define ULT_PHYSICS_OBJECT_H_INCLUDED
 
#include "../Math/Matrix4x4.h"
#include "../Math/Vector3D.h"
 
namespace Ult
{

class PhysicsObject
{
public:
    PhysicsObject() :
        mMass(1.0f),
        mMassInv(1.0f),
        mVolume(0.0f),
        mLift(0.0f),
        mSpeed(0.0f)
    {}

    virtual ~PhysicsObject()
    {}

    virtual void Update(float dt) = 0;

    virtual float GetDragArea() = 0;
    virtual float GetDragCoefficient() = 0;
    virtual float GetLiftCoefficient() = 0;
    virtual float GetVolumeUnderHeight(float height) = 0;

    virtual void SetMass(const float m) { mMass = m; mMassInv = 1.0f/m; }
    virtual float GetMass() const { return mMass; }
    virtual float GetMassInv() const { return mMassInv; }

    virtual float GetVolume() const { return mVolume; }

    virtual void SetLift(const float lVal, const Vector3D& lVec) {
        mLift = lVal;
        mLiftVector = lVec;
    }

    virtual float GetLift() const { return mLift; }
    virtual Vector3D GetLiftVec() const { return mLiftVector; }

    virtual float GetSpeed() const { return mSpeed; }

    virtual Vector3D GetOldPosition() const { return mOldPosition; }
    virtual void SetPosition(const Vector3D& pos) { mPosition = pos; }
    virtual Vector3D GetPosition() { return mPosition; }

    virtual void SetForce(const Vector3D& f) { mForce = f; }
    virtual Vector3D GetForce() const { return mForce; }
    virtual void AddForce(const Vector3D& f) { mForce += f; }

    virtual void SetVelocity(const Vector3D& v) { mVelocity = v; }
    virtual Vector3D GetVelocity() const { return mVelocity; }
    virtual void AddVelocity(const Vector3D& v) { mVelocity += v; }

    virtual Vector3D GetAcceleration() const { return mAcceleration; }

    virtual Matrix4x4 GetTransformation() = 0;
 
protected:
    float mMass;
    float mMassInv;
    float mVolume;
    float mLift;
    float mSpeed;
 
    Vector3D mOldPosition;
    Vector3D mPosition;
    Vector3D mForce;
    Vector3D mVelocity;
    Vector3D mAcceleration;
    Vector3D mLiftVector;
};
 
} // namespace Ult
 
#endif // ULT_PHYSICS_OBJECT_H_INCLUDED