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include/engine/core/physic_material.h

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+/* -----------------------------------------------------------------------------
+	GSFramework
+	Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
+------------------------------------------------------------------------------*/
+
+
+#ifndef	__NPHYSIC_MATERIAL__
+#define	__NPHYSIC_MATERIAL__
+
+
+namespace GS {
+	namespace NML { class Tag; }
+	namespace Core {
+
+/*!
+	@short	Physic material.
+	@author Emmanuel Julien (ejulien@gsworks.fr)
+*/
+struct	PhysicMaterial
+{
+/*!
+	@name	General physic properties.
+	@{
+*/
+		float		mass;					///< Mass.
+		float		dynamic_friction;		///< Dynamic friction.
+		float		static_friction;		///< Static friction.
+		float		restitution;			///< Restitution (inelastic/elastic).
+
+		bool		anisotropic_friction;	///< Anisotropic friction.
+		float		v_dynamic_friction;		///< Lateral dynamic friction.
+		float		v_static_friction;		///< Lateral static friction.
+
+		/*!
+			@short	Set material friction.
+
+			@note	The static friction is a force opposing external forces
+					acting on a resting body. The dynamic friction is a force
+					opposing the motion of a moving body.
+			@see	SetAnisotropicFriction().
+		*/
+		void		SetFriction(float dync = 0.5f, float sttc = 0.75f)
+		{	dynamic_friction = dync; static_friction = sttc;	}
+/// @}
+
+/*!
+	@name	Soft body properties.
+	@{
+*/
+		float		sb_damping;				///< Damping.
+		float		sb_stiffness;			///< Stiffness.
+		float		sb_torsion;				///< Torsion.
+/// @}
+
+		bool		FromMetaTag(NML::Tag &);
+		NML::Tag	*AsMetaTag() const;
+
+		PhysicMaterial();
+virtual ~PhysicMaterial(){}
+};
+
+	} // Core
+} // GS
+
+
+#endif	// __NPHYSIC_MATERIAL__