OPC_RayCollider.cpp File Reference

#include "Stdafx.h"
#include "OPC_RayAABBOverlap.h"
#include "OPC_RayTriOverlap.h"

Include dependency graph for OPC_RayCollider.cpp:

Go to the source code of this file.

Macros
#define	HANDLE_CONTACT(prim_index, flag)
#define	RAY_PRIM(prim_index, flag)
#define	SEGMENT_PRIM(prim_index, flag)
#define	SET_CONTACT(prim_index, flag)
#define	UPDATE_CACHE

Detailed Description

Contains code for a ray collider.

Author

Pierre Terdiman

Date

June, 2, 2001

Definition in file OPC_RayCollider.cpp.

Macro Definition Documentation

HANDLE_CONTACT

#define HANDLE_CONTACT	(		prim_index,
			flag
	)

Value:

                SET_CONTACT(prim_index, flag)                                                                                                                   \
                                                                                                                                                                                                \
                if(mHitCallback)        (mHitCallback)(mStabbedFace, mUserData);

Definition at line 131 of file OPC_RayCollider.cpp.

RAY_PRIM

#define RAY_PRIM	(		prim_index,
			flag
	)

Value:

        /* Request vertices from the app */                                                                                                             \
        VertexPointers VP;      mIMesh->GetTriangle(VP, prim_index);                                                            \
                                                                                                                                                                                        \
        /* Perform ray-tri overlap test and return */                                                                                   \
        if(RayTriOverlap(*VP.Vertex[0], *VP.Vertex[1], *VP.Vertex[2]))                                                  \
        {                                                                                                                                                                               \
                HANDLE_CONTACT(prim_index, flag)                                                                                                        \
        }

Definition at line 189 of file OPC_RayCollider.cpp.

SEGMENT_PRIM

#define SEGMENT_PRIM	(		prim_index,
			flag
	)

Value:

        /* Request vertices from the app */                                                                                                             \
        VertexPointers VP;      mIMesh->GetTriangle(VP, prim_index);                                                            \
                                                                                                                                                                                        \
        /* Perform ray-tri overlap test and return */                                                                                   \
        if(RayTriOverlap(*VP.Vertex[0], *VP.Vertex[1], *VP.Vertex[2]))                                                  \
        {                                                                                                                                                                               \
                /* Intersection point is valid if dist < segment's length */                                            \
                /* We know dist>0 so we can use integers */                                                                                     \
                if(IR(mStabbedFace.mDistance)<IR(mMaxDist))                                                                                     \
                {                                                                                                                                                                       \
                        HANDLE_CONTACT(prim_index, flag)                                                                                                \
                }                                                                                                                                                                       \
        }

Definition at line 174 of file OPC_RayCollider.cpp.

SET_CONTACT

#define SET_CONTACT	(		prim_index,
			flag
	)

Value:

        mNbIntersections++;                                                                                                                     \
        /* Set contact status */                                                                                                        \
        mFlags |= flag;                                                                                                                         \
        /* In any case the contact has been found and recorded in mStabbedFace  */      \
        mStabbedFace.mFaceID = prim_index;

Definition at line 122 of file OPC_RayCollider.cpp.

UPDATE_CACHE

#define UPDATE_CACHE

Value:

                if(cache && GetContactStatus())         \
                {                                                                       \
                        *cache  = mStabbedFace.mFaceID; \
                }

Definition at line 136 of file OPC_RayCollider.cpp.