101 lines
1.9 KiB
C++
101 lines
1.9 KiB
C++
#ifndef PHYSICS_H
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#define PHYSICS_H
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#include "tier0/platform.h"
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#include "trig.h"
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typedef void *HShape;
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typedef void *HCollider;
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#ifndef PHYSICS_OBJECT_DEFINED
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struct BallShape_t
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{
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float m_fRadius;
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};
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struct CuboidShape_t
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{
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float m_fExtentX;
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float m_fExtentY;
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float m_fExtentZ;
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};
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struct TriangleMeshShape_t
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{
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float *m_pfPositions;
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uint32_t m_nPositionCount;
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uint32_t *m_puIndicies;
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uint32_t m_nIndiciesCount;
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};
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struct CastResult_t
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{
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bool m_bIsHit;
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HCollider m_hCollider;
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Vector m_vCollisionPoint;
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// 0 to 1
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float m_fTime;
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// 0 to lenght
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float m_fDistance;
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};
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enum EPhysicsBodyType
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{
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k_EPhysics_Static,
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k_EPhysics_Dynamic,
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k_EPhysics_KinematicPositionBased,
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k_EPhysics_KinematicVelocityBased,
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};
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#endif
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abstract_class IPhysicsBody
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{
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public:
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virtual void SetPosition( Vector vPosition ) = 0;
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virtual void SetRotation( Quat vRotation ) = 0;
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virtual Vector GetPosition() = 0;
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virtual Quat GetRotation() = 0;
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virtual void SetType( EPhysicsBodyType eType ) = 0;
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virtual void SetGravityScale( float fScale ) = 0;
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};
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abstract_class IPhysicsWorld
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{
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public:
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virtual void Frame( float fDelta ) = 0;
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virtual IPhysicsBody *CreateRigidBody( HCollider hCollider, EPhysicsBodyType eType ) = 0;
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virtual void DestroyPhysicsBody( IPhysicsBody *pBody ) = 0;
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virtual void SetGravity( float fGravity ) = 0;
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virtual CastResult_t RayCast( Vector vBegin, Vector vEnd ) = 0;
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virtual CastResult_t ShapeCast( HShape hShape, Quat vOrientation, Vector vBegin, Vector vEnd ) = 0;
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};
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abstract_class IPhysics
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{
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public:
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virtual HShape CreateBall( BallShape_t ball ) = 0;
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virtual HShape CreateCube( CuboidShape_t ball ) = 0;
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virtual HShape CreateTriangleMesh( TriangleMeshShape_t shape ) = 0;
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virtual void DestroyShape( HShape hShape ) = 0;
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virtual HCollider CreateCollider( HShape hShape ) = 0;
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virtual IPhysicsWorld *CreateWorld() = 0;
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virtual void DestroyWorld( IPhysicsWorld *pWorld ) = 0;
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};
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#define PHYSICS_INTERFACE_VERSION "Physics001"
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#endif
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