work on physics begun

public/iphysics.h

@@ -0,0 +1,62 @@
+#ifndef PHYSICS_H
+#define PHYSICS_H
+
+#include "tier0/platform.h"
+#include "trig.h"
+
+struct BallShape_t
+{
+	float m_fRadius;
+};
+
+struct CuboidShape_t
+{
+	float m_fExtentX;
+	float m_fExtentY;
+	float m_fExtentZ;
+};
+
+typedef void *HShape;
+typedef void *HCollider;
+
+enum EPhysicsBodyType
+{
+	k_EPhysics_Static,
+	k_EPhysics_Dynamic,
+	k_EPhysics_KinematicPositionBased,
+	k_EPhysics_KinematicRotationBased,
+};
+
+abstract_class IPhysicsBody
+{
+public:
+	virtual void SetPosition( Vector vPosition ) = 0;
+	virtual void SetRotation( Quat vRotation ) = 0;
+	virtual void SetGravityScale( float fScale ) = 0;
+};
+
+abstract_class IPhysicsWorld
+{
+public:
+	virtual void SetGravity( float fGravity ) = 0;
+};
+
+
+
+abstract_class IPhysics
+{
+public:
+	virtual HShape CreateBall( BallShape_t ball ) = 0;
+	virtual HShape CreateCube( CuboidShape_t ball ) = 0;
+	virtual void DestroyShape( HShape hShape ) = 0;
+
+	virtual HCollider CreateCollider( HShape hShape ) = 0;
+
+	virtual IPhysicsWorld *CreateWorld() = 0;
+	virtual void DestroyWorld( IPhysicsWorld *pWorld ) = 0;
+
+	virtual IPhysicsBody *CreateRigidBody( HCollider hCollider, EPhysicsBodyType eType) = 0;
+	virtual void DestroyPhysicsBody( IPhysicsBody *pBody ) = 0;
+};
+
+#endif