#include?
#include?“gl/glut.h“
#include?
#include?
#include?

//?參數指定正方形的位置和大小
float?xsite?=?100.0;
float?ysite?=?200.0;
GLsizei?rsize?=?20;

//?正方形運動變化的步長
float?xstep?=?2.0f;
float?ystep?=?0.0f;

//?窗口的大小
float?windowWidth?=?500;
float?windowHeight?=?400;

int?TIME=13;

inline?void?myArc（int?xint?yint?aint?bint?start_angleint?end_angledouble?frdouble?fgdouble?fb）
{
	int?angle;
	const?double?pi?=?acos（-1）;
	if（fr>=0）
	{
		
		glBegin（GL_TRIANGLE_FAN）;
		glColor3d（frfgfb）;
		glVertex2i（xy）;
		for（angle?=?start_angle;?angle?<=?end_angle;?angle?=?angle?+?1）
		{
			int?px?=?x?+?a*cos（angle/180.0?*pi）;
			int?py?=?y?+?b*sin（angle/180.0?*pi）;
			glVertex2i（pxpy）;
		}
		glEnd（）;
	}
	else
	{
		glBegin（GL_LINE_STRIP）;
		for（angle?=?start_angle;?angle?<=?end_angle;?angle?=?angle?+?1）
		{
			int?px?=?x?+?a*cos（angle/180.0?*pi）;
			int?py?=?y?+?b*sin（angle/180.0?*pi）;
			glVertex2i（pxpy）;
		}
		glEnd（）;
	}
	
}

void?drawLine（int?Linex1int?Liney1int?Linex2int?Liney2）
{

	glColor3f（1.0f??0.0f??0.0f）;?//RGB
	glBegin（GL_LINES）;
	{
		glVertex2i（Linex1Liney1）;
		glVertex2i（Linex2Liney2）;
	}
	glEnd（）;
	glFlush（）;
}

inline?void?myCircle（int?xint?yint?radiusdouble?frdouble?fgdouble?fb）
{
	myArc（xyradiusradius0360frfgfb）;
	drawLine（0ywindowWidthy）;
}

void?RenderScene（void）
{
	glClear（GL_COLOR_BUFFER_BIT）;
	glColor3f（1.0f?0.0f?0.0f）;
	//glRectf（xsite?ysite?xsite+rsize?ysite+rsize）;
	myCircle（xsiteysitersize01.01.0）;
	drawLine（0200windowWidth200）;
	//清空命令緩沖區并交換幀緩存
	glutSwapBuffers（）;
}

void?ChangeSize（GLsizei?w?GLsizei?h）
{
	if（h?==?0）		h?=?1;
	
	glViewport（0?0?w?h）;
	
	glMatrixMode（GL_PROJECTION）;
	glLoadIdentity（）;
	
	if?（w?<=?h）?
	{
		windowHeight?=?300.0f*h/w;
		windowWidth?=?300.0f;
	}
????else?
	{
		windowWidth?=?300.0f*w/h;
		windowHeight?=?300.0f;
	}
	glOrtho（0.0f?windowWidth?0.0f?windowHeight?1.0f?-1.0f）;
	
	glMatrixMode（GL_MODELVIEW）;
	glLoadIdentity（）;
}

void?TimerFunction（int?value）
{
	//?處理到達窗口邊界的球，使之反彈
	if（xsite+rsize?>?windowWidth?||?xsite-rsize?		if（xstep>0）xstep?=?-xstep;
	}
	if（ysite+rsize?>?windowHeight?||?ysite-rsize?		if（ystep<0）
		ystep?=?-（ystep-0.205）;
	}
	if（xsite-rsize?	if（ysite?>?windowHeight-rsize）		ysite?=?windowHeight-rsize;
	
	//?根據步長修改正方形的位置
????ystep?=?ystep-0.5*450*0.030*0.030;
	xsite?+=?xstep;
	ysite?+=?ystep;
	
	//?用新坐標重新繪圖
????glutPostRedisplay（）;
	glutTimerFunc（TIMETimerFunction?1）;
}

void?SetupRC（void）
{
	//設置窗口清除色為白
	glClearColor（1.0f?1.0f?1.0f?1.0f）;?
}

void?main（）
{
	glutInitDisplayMode（GLUT_DOUBLE?|?GLUT_RGB）;
	glutCreateWindow（“Bounce“）;
	glutDisplayFunc（RenderScene）;
????glutReshapeFunc（ChangeSize）;
????glutTimerFunc（TIME?TimerFunction?1）;
	SetupRC（）;
	glutMainLoop（）;
}

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

?????文件???????3014??2012-04-13?14:30??BallGame\BallGame.cpp

?????文件???????3425??2012-04-13?10:24??BallGame\BallGame.dsp

?????文件????????539??2012-04-13?10:25??BallGame\BallGame.dsw

?????文件??????50176??2012-04-13?14:37??BallGame\BallGame.ncb

?????文件??????53760??2012-04-13?14:37??BallGame\BallGame.opt

?????文件????????692??2012-04-13?14:30??BallGame\BallGame.plg

?????文件????1999872??2012-04-13?09:32??BallGame\Debug\BallGame.bsc

?????文件?????180314??2012-04-13?14:29??BallGame\Debug\BallGame.exe

?????文件?????267608??2012-04-13?14:29??BallGame\Debug\BallGame.ilk

?????文件??????21256??2012-04-13?14:30??BallGame\Debug\BallGame.obj

?????文件????3700532??2012-04-13?14:12??BallGame\Debug\BallGame.pch

?????文件?????476160??2012-04-13?14:29??BallGame\Debug\BallGame.pdb

?????文件??????????0??2012-04-13?09:32??BallGame\Debug\BallGame.sbr

?????文件?????230400??2012-04-13?14:30??BallGame\Debug\vc60.idb

?????文件??????77824??2012-04-13?14:30??BallGame\Debug\vc60.pdb

?????文件??????60468??1998-08-13?02:54??BallGame\gl\FGL.H

?????文件???????7273??1998-08-13?02:54??BallGame\gl\FGLU.H

?????文件??????10152??1998-08-13?02:54??BallGame\gl\FGLUT.H

?????文件??????71555??1997-11-07?02:34??BallGame\gl\gl.h

?????文件???????5150??1998-08-13?02:54??BallGame\gl\GLSMAP.H

?????文件??????14367??1997-10-31?02:18??BallGame\gl\glu.h

?????文件??????20844??1998-08-13?02:54??BallGame\gl\GLUT.H

?????文件???????8874??1998-08-13?02:54??BallGame\gl\TUBE.H

?????文件?????180224??1999-07-29?15:48??BallGame\GLUT32.DLL

?????文件??????27096??1999-07-29?15:48??BallGame\GLUT32.LIB

?????文件??????35606??1997-10-31?02:18??BallGame\lib\glu.lib

?????文件??????11056??1998-08-13?02:49??BallGame\lib\GLUT\capturexfont.c

?????文件???????2277??1998-08-13?02:46??BallGame\lib\GLUT\GLUT.DEF

?????文件?????180224??1999-07-29?15:48??BallGame\lib\GLUT\GLUT32.DLL

?????文件??????17306??1999-07-29?15:48??BallGame\lib\GLUT\GLUT32.EXP

............此處省略79個文件信息