diff options
Diffstat (limited to 'source/Tracer.h')
| -rw-r--r-- | source/Tracer.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/source/Tracer.h b/source/Tracer.h index a4e2d352e..85cb406c8 100644 --- a/source/Tracer.h +++ b/source/Tracer.h @@ -13,8 +13,8 @@ public: // tolua_export cTracer( cWorld* a_World); // tolua_export ~cTracer(); // tolua_export - /// Determines if a collision occures along a line. - int Trace( const Vector3f & a_Start, const Vector3f & a_Direction, int a_Distance ); // tolua_export + /// Determines if a collision occures along a line. Returns true if a collision occurs. + bool Trace( const Vector3f & a_Start, const Vector3f & a_Direction, int a_Distance); // tolua_export /// Contains the position of the block that caused the collision Vector3f BlockHitPosition; // tolua_export @@ -26,13 +26,18 @@ public: // tolua_export Vector3f RealHit; // tolua_export private: - /// Preps Tracer object for call of Trace function. Only used internally + /// Preps Tracer object for call of Trace function. Only used internally. void SetValues( const Vector3f & a_Start, const Vector3f & a_Direction ); /// Calculates where on the block a collision occured, if it does occur + /// Returns 0 if no intersection occured + /// Returns 1 if an intersection occured at a single point + /// Returns 2 if the line segment lies in the plane being checked int intersect3D_SegmentPlane( const Vector3f & a_Origin, const Vector3f & a_End, const Vector3f & a_PlanePos, const Vector3f & a_PlaneNormal ); /// Determines which face on the block a collision occured, if it does occur + /// Returns 0 if the block is air, water or no collision occured + /// Return 1 through 6 for the following block faces, repectively: -x, -z, x, z, y, -y int GetHitNormal( const Vector3f & start, const Vector3f & end, const Vector3i & a_BlockPos); float SigNum( float a_Num ); |