#include?
#include?
#include?
#include?
#include?
#include?

#define?PI?3.141592

static?float?c=?PI/180.0f;?//弧度和角度轉換參數
static?int?du?=?90oldmy?=?-1oldmx?=?-1;?//du是視點繞y軸的角度opengl里默認y軸是上方向
static?float?r?=?2.0fh?=?0.0f;?//r是視點繞y軸的半徑h是視點高度即在y軸
static?float?width?=?500?height?=?500;
static?bool?isPers?=?true;

void?init（）?
{
	glClearColor?（1.0?1.0?1.0?1.0）;
	glShadeModel?（GL_SMOOTH）;
	glEnable（GL_DEPTH_TEST）;
	glDepthFunc（GL_LEQUAL）;
	glHint（GL_PERSPECTIVE_CORRECTION_HINTGL_NICEST）;?

	const?GLfloat?light_ambient[]??=?{?0.1f?0.1f?0.1f?1.0f?};
	const?GLfloat?light_diffuse[]??=?{?1.0f?1.0f?1.0f?1.0f?};
	const?GLfloat?light_specular[]?=?{?1.0f?1.0f?1.0f?1.0f?};
	const?GLfloat?light_position[]?=?{?0.5f?0.5f?-0.5f?1.0f?};

	const?GLfloat?mat_ambient[]????=?{?0.5f?0.5f?0.5f?1.0f?};
	const?GLfloat?mat_diffuse[]????=?{?0.5f?0.5f?0.5f?1.0f?};
	const?GLfloat?mat_specular[]???=?{?0.3f?0.3f?0.3f?1.0f?};
	const?GLfloat?high_shininess[]?=?{?100.0f?};

	glEnable（GL_LIGHT0）;
????glEnable（GL_NORMALIZE）;
????glEnable（GL_COLOR_MATERIAL）;
????glEnable（GL_LIGHTING）;

????glLightfv（GL_LIGHT0?GL_AMBIENT??light_ambient）;
????glLightfv（GL_LIGHT0?GL_DIFFUSE??light_diffuse）;
????glLightfv（GL_LIGHT0?GL_SPECULAR?light_specular）;
????glLightfv（GL_LIGHT0?GL_POSITION?light_position）;

????glMaterialfv（GL_FRONT?GL_AMBIENT???mat_ambient）;
????glMaterialfv（GL_FRONT?GL_DIFFUSE???mat_diffuse）;
????glMaterialfv（GL_FRONT?GL_SPECULAR??mat_specular）;
????glMaterialfv（GL_FRONT?GL_SHININESS?high_shininess）;

	glEnable（GL_LIGHTING）;
	glEnable（GL_LIGHT0）;
	glEnable（GL_COLOR_MATERIAL）;

	//關閉背面頂點的計算
	glLightModeli（GL_LIGHT_MODEL_TWO_SIDE??GL_FALSE）;
}

void?display（）
{
	glClear?（GL_COLOR_BUFFER_BIT?|?GL_DEPTH_BUFFER_BIT）;
	glLoadIdentity（）;
	
	if（isPers）{
		gluPerspective（50?1?1?10）;
		gluLookAt（?r?*?cos（c?*?du）?h?r?*?sin（c?*?du）
						0?0?0
						0?1?0）;
	}?else?{
		glLoadIdentity（）;
		gluOrtho2D（-（GLdouble）?height/height?（GLdouble）?height/height?-（GLdouble）?height/height?（GLdouble）?height/height）;
	}
	
	static?int?list?=?0;?
	if（?list?==?0?）?
	{
		?//?嘴的數組
		GLfloat?PointA[]?=?{0?0.0?0.28}
				PointB[]?=?{-0.15?0.1?0.28}
				PointC[]?=?{0.15?0.1?0.28}
				PointD[]?=?{0?0.1?0.45}
				PointE[]?=?{0?0.15?0.28};
		GLfloat?ColorR[]?=?{0?0?1};

		//?組成嘴的六個三角形
		glNewList（list?GL_COMPILE）;
			glColor3f（1?0.6?0）;
			glBegin（GL_TRIANGLES）;???
				//?平面BDC
				glColor3f（1?0.6?0）;
				glVertex3fv（PointC）;
				glColor3f（1?1.0?0）;
				glVertex3fv（PointD）;
				glColor3f（1?0.6?0）;
				glVertex3fv（PointB）;
				//?平面ADB
				glColor3f（1?0.6?0）;
				glVertex3fv（PointA）;
				glColor3f（1?0.6?0）;
				glVertex3fv（PointB）;
				glColor3f（1?0.8?0）;
				glVertex3fv（PointD）;
				//?平面ACD
				glColor3f（1?1.0?0）;
				glVertex3fv（PointD）;
				glColor3f（1?0.6?0）;
				

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

?????文件??????75776??2013-10-13?22:28??Debug\Homework.exe

?????文件????1462432??2013-10-13?22:28??Debug\Homework.ilk

?????文件?????896000??2013-10-13?22:28??Debug\Homework.pdb

?????文件????????572??2013-10-13?22:28??Homework\Debug\cl.command.1.tlog

?????文件??????22226??2013-10-13?22:28??Homework\Debug\CL.read.1.tlog

?????文件????????264??2013-10-13?22:28??Homework\Debug\CL.write.1.tlog

?????文件?????????53??2013-10-13?22:28??Homework\Debug\Homework.lastbuildstate

?????文件???????1226??2013-10-13?22:28??Homework\Debug\Homework.log

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link-cvtres.read.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link-cvtres.write.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link-rc.read.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link-rc.write.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link.2612-cvtres.read.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link.2612-cvtres.write.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link.2612-rc.read.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link.2612-rc.write.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link.2612.read.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link.2612.write.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link.2648-cvtres.read.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link.2648-cvtres.write.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link.2648-rc.read.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link.2648-rc.write.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link.2648.read.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link.2648.write.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link.3252-cvtres.read.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link.3252-cvtres.write.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link.3252-rc.read.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link.3252-rc.write.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link.3252.read.1.tlog

?????文件??????????2??2013-10-13?22:28??Homework\Debug\link.3252.write.1.tlog

............此處省略73個文件信息