//?GLSobject.cpp:?implementation?of?the?GLSobject?class.
//
//////////////////////////////////////////////////////////////////////

#include?“stdafx.h“

#include?“glincludes.h“
#include?“GLobject.h“


#ifdef?_DEBUG
#undef?THIS_FILE
static?char?THIS_FILE[]=__FILE__;
#define?new?DEBUG_NEW
#endif


//////////////////////////////////////////////////////////////////////
//?Static?helpers
//////////////////////////////////////////////////////////////////////


//?Offset?pIn?by?pOffset?into?pOut
void?VectorOffset?（GLpoint?*pIn?GLpoint?*pOffset?GLpoint?*pOut）
{
	pOut->x?=?pIn->x?-?pOffset->x;
	pOut->y?=?pIn->y?-?pOffset->y;
	pOut->z?=?pIn->z?-?pOffset->z;
}


//?Compute?the?cross?product?a?X?b?into?pOut
void?VectorGetNormal?（GLpoint?*a?GLpoint?*b?GLpoint?*pOut）
{
	pOut->x?=?a->y?*?b->z?-?a->z?*?b->y;
	pOut->y?=?a->z?*?b->x?-?a->x?*?b->z;
	pOut->z?=?a->x?*?b->y?-?a->y?*?b->x;
}


//?Normalize?pIn?vector?into?pOut
bool?VectorNormalize?（GLpoint?*pIn?GLpoint?*pOut）
{
	GLfloat?len?=?（GLfloat）（sqrt（sqr（pIn->x）?+?sqr（pIn->y）?+?sqr（pIn->z）））;
	if?（len）
	{
		pOut->x?=?pIn->x?/?len;
		pOut->y?=?pIn->y?/?len;
		pOut->z?=?pIn->z?/?len;
		return?true;
	}
	return?false;
}


//?Compute?p1p2p3?face?normal?into?pOut
bool?ComputeFaceNormal?（GLpoint?*p1?GLpoint?*p2?GLpoint?*p3?GLpoint?*pOut）
{
	//?Uses?p2?as?a?new?origin?for?p1p3
	GLpoint?a;
	VectorOffset（p3?p2?&a）;
	GLpoint?b;
	VectorOffset（p1?p2?&b）;
	//?Compute?the?cross?product?a?X?b?to?get?the?face?normal
	GLpoint?pn;
	VectorGetNormal（&a?&b?&pn）;
	//?Return?a?normalized?vector
	return?VectorNormalize（&pn?pOut）;
}



//////////////////////////////////////////////////////////////////////
//?Construction/Destruction
//////////////////////////////////////////////////////////////////////


//?Static?definition?of?object‘s?vertices
GLpoint?OBJ_VERTICES?[]?=?{

	{（float）54.111641?（float）-0.007899?（float）37.141083}?
	{（float）55.552414?（float）-5.571973?（float）41.828125}?
	{（float）53.201775?（float）-9.007742?（float）47.965961}?
	{（float）47.957581?（float）-9.002861?（float）53.210155}?
	{（float）41.822945?（float）-5.559192?（float）55.557594}?
	{（float）37.141083?（float）0.007900?（float）54.111641}?
	{（float）35.700310?（float）5.571973?（float）49.424599}?
	{（float）38.050949?（float）9.007742?（float）43.286762}?
	{（float）43.295143?（float）9.002861?（float）38.042568}?
	{（float）49.429787?（float）5.559189?（float）35.695126}?
	{（float）54.111645?（float）-0.007905?（float）37.141087}?
	{（float）57.377384?（float）1.893198?（float）40.181728}?
	{（float）58.721027?（float）-2.630860?（float）45.902798}?
	{（float）56.339203?（float）-4.677984?（float）52.621380}?
	{（float）51.141693?（float）-3.466241?（float）57.771194}?
	{（float）45.113766?（float）0.541521?（float）59.385204}?
	{（float）40.557880?（float）5.814476?（float）56.846897}?
	{（float）39.214237?（float）10.338531?（float）51.125828}?
	{（float）41.596062?（float）12.3856

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1078??1999-01-28?16:21??Normals\glIncludes.h

?????文件??????91740??2009-02-16?15:50??Normals\GLobject.cpp

?????文件????????836??2008-09-05?15:48??Normals\GLobject.h

?????文件???????1443??1999-01-29?13:46??Normals\MainFrm.cpp

?????文件???????1426??1999-01-28?10:19??Normals\MainFrm.h

?????文件???????4831??1999-01-28?17:52??Normals\Normals.001

?????文件???????2952??1999-02-02?11:33??Normals\Normals.cpp

?????文件???????4769??2008-09-05?15:46??Normals\Normals.dsp

?????文件????????539??2008-09-05?15:46??Normals\Normals.dsw

?????文件???????1348??1999-01-29?11:37??Normals\Normals.h

?????文件??????66560??2009-02-16?16:49??Normals\Normals.ncb

?????文件??????48640??2009-02-16?16:49??Normals\Normals.opt

?????文件????????248??2009-02-16?16:24??Normals\Normals.plg

?????文件???????9185??1999-01-29?11:38??Normals\Normals.rc

?????文件???????1762??1999-01-28?10:19??Normals\NormalsDoc.cpp

?????文件???????1494??1999-01-28?10:19??Normals\NormalsDoc.h

?????文件???????8956??1999-02-01?17:20??Normals\NormalsView.cpp

?????文件???????2363??1999-01-29?11:35??Normals\NormalsView.h

?????文件??????42496??1999-02-03?11:05??Normals\Release\Normals.exe

?????文件???????1078??1999-01-28?10:19??Normals\res\Normals.ico

?????文件????????399??1999-01-28?10:19??Normals\res\Normals.rc2

?????文件???????1078??1999-01-28?10:19??Normals\res\NormalsDoc.ico

?????文件????????735??1999-01-28?16:09??Normals\Resource.h

?????文件????????205??1999-01-28?10:19??Normals\StdAfx.cpp

?????文件????????928??1999-01-28?10:19??Normals\StdAfx.h

?????目錄??????????0??1999-02-03?11:06??Normals\Release

?????目錄??????????0??1999-02-03?11:06??Normals\res

?????目錄??????????0??2009-03-18?09:24??Normals

-----------?---------??----------?-----??----

???????????????297089????????????????????28

............此處省略1個文件信息