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#ifndef FLEXEXT_DX_COMMON_H
#define FLEXEXT_DX_COMMON_H

#ifdef WIN32
#pragma pack(push)
#pragma pack(16)
#endif

struct FlexExtConstParams
{
	int kNumParticles;
	int kNumForceFields;
	float kDt;
	float _pad;
};

#ifdef WIN32
#pragma pack(pop)
#endif

// enum FlexForceExtMode
#define eNvFlexExtModeForce			0
#define eNvFlexExtModeImpulse			1
#define eNvFlexExtModeVelocityChange	2

/**
* Force field data, currently just supports radial fields
*/
struct FlexExtForceFieldD3D
{
	float mPosition[3];		//!< Center of force field
	float mRadius;			//!< Radius of the force field
	float mStrength;		//!< Strength of the force field
	int mMode;				//!< Mode of field application
	bool mLinearFalloff;	//!< Linear or no falloff 
};

#endif	// FLEXEXT_DX_COMMON_H