//?cameraroam.cpp?:?Defines?the?entry?point?for?the?console?application.
//

#include?“stdafx.h“
#include??????????????//計(jì)算旋轉(zhuǎn)角
#include??
#include??
?//angle繞y軸的旋轉(zhuǎn)角允許我們旋轉(zhuǎn)照相機(jī);ratio：窗口寬高比（width/height）
static?float?angle=0.0ratio;????
static?float?x=0.0fy=1.75fz=5.0f;????//照相機(jī)位置
static?float?lx=0.0fly=0.0flz=-1.0f;??//一個(gè)向量用來(lái)指示我們的視線方向
static?GLint?snowman_display_list;???//一個(gè)雪人的顯示列表索引
//響應(yīng)窗口位置、大小改變事件的回調(diào)函輸
void?changeSize（int?w?int?h）?????????
{??????????
	//?防止被0除.????????
	if（h?==?0）?????????????????
		h?=?1;??????????
	ratio?=?1.0f?*?w?/?h;????????????????
	glMatrixMode（GL_PROJECTION）;?????????
	glLoadIdentity（）;??????????????????//設(shè)置視口為整個(gè)窗口大小?????????
	glViewport（0?0?w?h）;??????????//設(shè)置可視空間?????????
	gluPerspective（45ratio11000）;?????????
	glMatrixMode（GL_MODELVIEW）;????????
	glLoadIdentity（）;?????????
	gluLookAt（x?y?z?x?+?lxy?+?lyz?+?lz?0.0f1.0f0.0f）;????????
}
//繪制1個(gè)雪人
void?drawSnowMan（）?
{??????????
	glColor3f（1.0f?1.0f?1.0f）;
	//畫(huà)身體?????????
	glTranslatef（0.0f?0.75f?0.0f）;?????????
	glutSolidSphere（0.75f2020）;????????//實(shí)心圓
	//?畫(huà)頭?????????
	glTranslatef（0.0f?1.0f?0.0f）;?????????
	glutSolidSphere（0.25f2020）;????????//實(shí)心圓
	//?畫(huà)眼睛?????????
	glPushMatrix（）;?????????
	glColor3f（0.0f0.0f0.0f）;?????????
	glTranslatef（0.05f?0.10f?0.18f）;?????????
	glutSolidSphere（0.05f1010）;?????????
	glTranslatef（-0.1f?0.0f?0.0f）;?????????
	glutSolidSphere（0.05f1010）;?????????
	glPopMatrix（）;
	//?畫(huà)鼻子?????????
	glColor3f（1.0f?0.5f??0.5f）;?????????
	glRotatef（0.0f1.0f?0.0f?0.0f）;?????????
	glutSolidCone（0.08f0.5f102）;????//實(shí)心圓錐體
}?
//創(chuàng)建繪制雪人的顯示列表
GLuint?createDL（）
?{?????????
	GLuint?snowManDL;??????????
	//生成一個(gè)顯示列表號(hào)?????????
	snowManDL?=?glGenLists（1）;??????????//?開(kāi)始顯示列表?????????
	glNewList（snowManDLGL_COMPILE）;??????????//?call?the?function?that?contains??????????
	//?the?rendering?commands?????????????????
	drawSnowMan（）;??????????//?endList?????????
	glEndList（）;?????????
	return（snowManDL）;
}?
//初始化場(chǎng)景
void?initScene（）?
{?????????
	glEnable（GL_DEPTH_TEST）;?????????
	snowman_display_list?=?createDL（）;
}?
//繪制地面和36個(gè)1雪人
?void?renderScene（void）?
?{?????????
	?glClear（GL_COLOR_BUFFER_BIT?|?GL_DEPTH_BUFFER_BIT）;?????????
	?//使用四邊形畫(huà)了一個(gè)地面??????????
	?glColor3f（0.9f?0.9f?0.9f）;?????????
	?glBegin（GL_QUADS）;?????????????????
	?glVertex3f（-100.0f?0.0f?-100.0f）;?????????????????
	?glVertex3f（-100.0f?0.0f?100.0f）;?????????????????
	?glVertex3f（?100.0f?0.0f?100.0f）;?????????????????
	?glVertex3f（?100.0f?0.0f?-100.0f）;?????????
	?glEnd（）;?????????
	?//畫(huà)了36個(gè)雪人??????????
	?for（int?i?=?-3;?i?		?for（int?j=-3;?j?			?glPushMatrix（）;??????????????????????????
			?glTranslatef（i*10.00j?*?10.0）;??????????????????????????
			?glCallList（snowman_display_list）;????????????????????????
			?glPopMatrix（）;?????????????????
		}?????????
		?glutSwapBuffers（）

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????4791??2010-11-04?12:04??cameraroam?-?副本\cameraroam.cpp

?????文件???????4584??2010-11-04?08:24??cameraroam?-?副本\cameraroam.dsp

?????文件????????545??2010-11-04?08:24??cameraroam?-?副本\cameraroam.dsw

?????文件??????50176??2010-12-28?16:18??cameraroam?-?副本\cameraroam.ncb

?????文件??????59904??2010-12-28?16:18??cameraroam?-?副本\cameraroam.opt

?????文件????????254??2010-12-28?16:18??cameraroam?-?副本\cameraroam.plg

?????文件???24596480??2010-12-28?16:59??cameraroam?-?副本\cameraroam.sdf

?????文件????????886??2010-12-28?16:44??cameraroam?-?副本\cameraroam.sln

????..A..H.?????10240??2010-12-28?16:59??cameraroam?-?副本\cameraroam.suo

?????文件???????7039??2010-12-28?16:42??cameraroam?-?副本\cameraroam.vcxproj

?????文件???????1194??2010-12-28?16:42??cameraroam?-?副本\cameraroam.vcxproj.filters

?????文件????????143??2010-12-28?16:42??cameraroam?-?副本\cameraroam.vcxproj.user

?????文件??????????2??2010-12-28?16:55??cameraroam?-?副本\Debug\cameraroam.exe.embed.manifest

?????文件?????????68??2010-12-28?16:55??cameraroam?-?副本\Debug\cameraroam.exe.embed.manifest.res

?????文件????????117??2010-12-28?16:56??cameraroam?-?副本\Debug\cameraroam.lastbuildstate

?????文件???????1562??2010-12-28?16:56??cameraroam?-?副本\Debug\cameraroam.log

?????文件??????14741??2010-11-05?08:44??cameraroam?-?副本\Debug\cameraroam.obj

?????文件?????203928??2010-11-04?08:24??cameraroam?-?副本\Debug\cameraroam.pch

?????文件?????451584??2010-11-05?08:44??cameraroam?-?副本\Debug\cameraroam.pdb

?????文件??????????0??2010-12-28?16:56??cameraroam?-?副本\Debug\cameraroam.unsuccessfulbuild

?????文件????????216??2010-12-28?16:55??cameraroam?-?副本\Debug\cameraroam_manifest.rc

?????文件???????1630??2010-12-28?16:45??cameraroam?-?副本\Debug\cl.command.1.tlog

?????文件???????3006??2010-12-28?16:45??cameraroam?-?副本\Debug\CL.read.1.tlog

?????文件????????786??2010-12-28?16:45??cameraroam?-?副本\Debug\CL.write.1.tlog

?????文件??????????2??2010-12-28?16:56??cameraroam?-?副本\Debug\link.command.1.tlog

?????文件??????????2??2010-12-28?16:56??cameraroam?-?副本\Debug\link.read.1.tlog

?????文件??????????2??2010-12-28?16:56??cameraroam?-?副本\Debug\link.write.1.tlog

?????文件????????598??2010-12-28?16:55??cameraroam?-?副本\Debug\rc.command.1.tlog

?????文件????????330??2010-12-28?16:55??cameraroam?-?副本\Debug\rc.read.1.tlog

?????文件????????338??2010-12-28?16:55??cameraroam?-?副本\Debug\rc.write.1.tlog

............此處省略13個(gè)文件信息