/*
?*???Polygon?Reduction?Demo?by?Stan?Melax?（c）?1998
?*??Permission?to?use?any?of?this?code?wherever?you?want?is?granted..
?*??Although?please?do?acknowledge?authorship?if?appropriate.
?*
?*??This?module?initializes?the?bunny?model?data?and?calls
?*??the?polygon?reduction?routine.??At?each?frame?the?RenderModel（）
?*??routine?is?called?to?draw?the?model.??This?module?also
?*??animates?the?parameters?（such?as?number?of?vertices?to
?*??use）?to?show?the?model?at?various?levels?of?detail.
?*/

#include?
#include???
#include?
#include?
#include?
#include?
#include?
//#include?

#pragma?warning（disable?:?4244）
#include?“vector.h“
#include?“font.h“
#include
#include?//?malloc（）等
#include?//?INT_MAX等
#include?//?EOF（=^Z或F6）NULL
#include?//?atoi（）
#include?//?eof（）
#include?//?exit（）
#include?//?coutcin
#include?“list.h“
#include?“progmesh.h“

extern?float?DeltaT;??//?change?in?time?since?last?frame
int???render_num;???//?number?of?vertices?to?draw?with
float?bigpoint?=?0.1f;
List?vert;???????//?global?list?of?vertices
List?tri;???????//?global?list?of?triangles

#define?MAX_TRIANGLE_NUM?3000//12000//5804//1704
#define?INFINITY?6963//?用整型最大值代替∞
#define?MAXSTR?500
#define?ELEMENTVERTEX?“element?vertex“//14?8
#define?THOUSAND?1000

Vector?model_position;?????????//?position?of?bunny
Quaternion?model_orientation;??//?orientation?of?bunny
//Vector?nrmls[MAX_TRIANGLE_NUM];
typedef?int?Boolean;?//?Boolean是布爾類型其值是TRUE或FALSE
?
int?vexs[MAX_TRIANGLE_NUM];?//?頂點向量
int?arcs[MAX_TRIANGLE_NUM][MAX_TRIANGLE_NUM];?//?鄰接矩陣
int?vexnum=902;?//?圖的當前頂點數
//int?DistancMatrix[MAX_TRIANGLE_NUM][MAX_TRIANGLE_NUM];
//int?final[MAX_TRIANGLE_NUM];
//int?D[MAX_TRIANGLE_NUM];
int?maxclassnum?=?200;
int?renderpolycount=0;???//?polygons?rendered?in?the?current?frame
unsigned?int?vertexnum?=0facenum?=?0;

GLfloat?light_position[]?=?{0.03.06.00.0};
GLfloat?no_mat[]?=?{0.00.00.01.0};
GLfloat?mat_grey_ambient[]?=?{0.50.50.51.0};
GLfloat?mat_red_ambient[]?=?{0.00.01.01.0};
GLfloat?mat_diffuse[]?=?{0.80.20.51.0};
GLfloat?mat_specular[]?=?{1.01.01.01.0};
GLfloat?no_shininess[]?=?{0.0};
GLfloat?low_shininess[]?=?{5.0};
GLfloat?high_shininess[]?=?{100.0};
GLfloat?mat_emission[]?=?{0.30.20.20.0};

typedef?struct?OcTreeNode?
{??
	List?NodeTri;
	List?NodeVert;
	
	int?arcs[MAX_TRIANGLE_NUM][MAX_TRIANGLE_NUM];?//?鄰接矩陣
	int?D[MAX_TRIANGLE_NUM];???????????????????????//根節點到其它頂點的距離
	int?vexs[MAX_TRIANGLE_NUM];????????????????//每個節點屬于哪一類
//	int?**?arcs;
//	int?*D;
//	int?*vexs;
	int?NumOfTriangle;
	int?facenum;
	int?vertexnum;
	struct?OcTreeNode?*pChild[8];
}OCTREENODE;

OCTREENODE?g_RootNode;

//g_pRootNode?=?new?OcTreeNode;

//g_RootNode.NodeTri?=?tri;
//g_RootNode.NodeVert?=?vert;

float?biggerfloat（

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

?????文件??????83874??2000-09-20?16:06??meshsimplification\meshsimplification\ansitbbot1.ply

?????文件??????58767??2000-09-20?16:14??meshsimplification\meshsimplification\ANT31850.PLY

?????文件??????50262??1998-09-08?22:26??meshsimplification\meshsimplification\apple.ply

?????文件????????379??2006-05-22?22:46??meshsimplification\meshsimplification\b.ply

?????文件?????151251??1998-09-08?22:26??meshsimplification\meshsimplification\beethoven.ply

?????文件?????323275??1998-09-08?22:26??meshsimplification\meshsimplification\big_porsche.ply

?????文件??????50961??2000-09-20?16:49??meshsimplification\meshsimplification\big_spider1850.ply

?????文件??????57249??2000-09-20?17:23??meshsimplification\meshsimplification\boeing1850.ply

?????文件?????409454??2000-09-20?16:40??meshsimplification\meshsimplification\BOTTLE.PLY

?????文件????2519554??2000-09-20?17:23??meshsimplification\meshsimplification\brain-gear.ply

?????文件??????52084??2000-09-20?18:05??meshsimplification\meshsimplification\bunny1850.ply

?????文件??????16517??2008-11-19?09:45??meshsimplification\meshsimplification\Bunnygut.cpp

?????文件???????4012??1998-08-22?17:26??meshsimplification\meshsimplification\BUNNYLOD.001

?????文件????????576??2006-04-08?17:06??meshsimplification\meshsimplification\BUNNYLOD.DEP

?????文件???????4182??2006-04-04?20:14??meshsimplification\meshsimplification\BUNNYLOD.DSP

?????文件????????541??2006-02-28?20:38??meshsimplification\meshsimplification\BUNNYLOD.DSW

?????文件???????7540??2006-04-08?17:06??meshsimplification\meshsimplification\BUNNYLOD.MAK

?????文件?????115712??2008-11-21?18:06??meshsimplification\meshsimplification\BUNNYLOD.ncb

?????文件?????112640??2008-11-21?18:06??meshsimplification\meshsimplification\BUNNYLOD.OPT

?????文件????????924??2008-11-19?09:46??meshsimplification\meshsimplification\BUNNYLOD.PLG

?????文件????????572??2007-04-29?20:15??meshsimplification\meshsimplification\BUNNYLOD.sln

????..A..H.??????8704??2007-04-29?20:15??meshsimplification\meshsimplification\BUNNYLOD.suo

?????文件???????6607??2006-06-15?11:34??meshsimplification\meshsimplification\bunnylod.vcproj

?????文件???????3599??2000-09-20?20:05??meshsimplification\meshsimplification\BUNO.PLY

?????文件??????16668??1998-09-08?22:53??meshsimplification\meshsimplification\cat.ply

?????文件??????28803??2000-09-20?17:57??meshsimplification\meshsimplification\CHABOT.PLY

?????文件??????54954??2000-09-20?18:31??meshsimplification\meshsimplification\chair51850.ply

?????文件????????265??2000-09-20?18:05??meshsimplification\meshsimplification\CORNER.PLY

?????文件?????177472??1998-09-08?22:53??meshsimplification\meshsimplification\COW.PLY

?????文件??????52735??2000-09-20?18:57??meshsimplification\meshsimplification\COW1850.PLY

............此處省略58個文件信息