OPC_RayCollider.cpp File Reference

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

Go to the source code of this file.

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

Detailed Description

Contains code for a ray collider.

Author

Pierre Terdiman

Date

June, 2, 2001

Definition in file OPC_RayCollider.cpp.

Macro Definition Documentation

#define HANDLE_CONTACT	(		prim_index,
			flag
	)

Value:

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

Definition at line 132 of file OPC_RayCollider.cpp.

#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)                                                    \
    }else{}

Definition at line 190 of file OPC_RayCollider.cpp.

#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)                                                \
        }                                                                                   \
    }else{}

Definition at line 175 of file OPC_RayCollider.cpp.

#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 123 of file OPC_RayCollider.cpp.

#define UPDATE_CACHE

Value:

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

Definition at line 137 of file OPC_RayCollider.cpp.