1、电子科大计算机学院三维图形程序设计实验报告实验报告课程名称:三维图形程序设计学院:计算机科学与工程学院专业:计算机科学与技术指导教师:周川学生姓名:郫县卡戴珊学号:2014666666666实验成绩:日期:2016年3月31日电子科技大学计算机学院实验中心电 子 科 技 大 学实 验 报 告一、实验一:三维图形程序上机操作训练与图元编程二、实验室名称:主楼A2412 实验时间:2016年3月31号 三、实验目的:1. 掌握VC中OpenGL三维编程环境的建立过程;2. 掌握GLUT编写OpenGL应用程序的基本步骤,熟悉GLUT基于事件驱动的编程模型;3. 掌握不同类型图元的顶点装配方式,并能
2、够利用图元建立简单的几何对象。四、实验原理:OpenGL编程语言 面向对象编程技术五、实验内容:(一)安装、配置和测试OpenGL三维编程环境1. 首先检查Windows操作系统中是否正确安装了Visual Studio集成开发环境:实验要求在Windows XP、Visual C+ 2005平台以上;2. 解压OpenGL.zip到任意目录下;3. 检查OpenGL核心库和实用库及其头文件是否安装正确和完整:检查%VSINSTALLDIR%VCPlatformSDKIncludeGL目录下是否存在gl.h、glu.h两个头文件,并从解压得到的GL子目录下拷贝缺少的头文件到该目录下;检查%VS
3、INSTALLDIR%VCPlatformSDKLib目录下是否存在OpenGL32.lib、GLU32.lib两个库文件,并从解压得到的Lib子目录下拷贝缺少的Lib文件到该目录下;4. 安装GLUT库及其头文件。从解压得到的GL子目录下拷贝glut.h到%VSINSTALLDIR%VCPlatformSDKIncludeGL目录中,从解压得到的Lib子目录下拷贝 glut32.lib到%VSINSTALLDIR%VCPlatformSDKLib下,拷贝glut32.dll到%windir%system32目录下。5. 检测OpenGL环境是否配置正确。a. 打开Visual Studio集
4、成开发环境,新建一个类型为“Win32控制台应用程序”的空项目Test;b. 在项目中新建一个C源文件Test.c;c. 拷贝如下代码到Test.c中;d. 生成Test项目,观察“输出”窗口中的编译和链接输出信息,若显示类似“生成: 1 已成功, 0 已失败, 0 最新, 0 已跳过”表明项目生成成功,否则根据输出信息检查程序或者OpenGL编程环境是否设置正确,并在改正后重新生成Test项目;e. 运行Test.exe查看程序是否能够正常启动。 /* Test.C */#include void display();void init();int main(int argc, char *
5、 argv) glutInit(&argc, argv);glutCreateWindow(“Simple”);glutDisplayFunc(display);init();glutMainLoop();void display() glClear(GL_COLOR_BUFFER_BIT);glBegin(GL_POLYGON);glVertex2f(-0.5, -0.5);glVertex2f(-0.5, 0.5);glVertex2f(0.5, 0.5);glVertex2f(0.5, -0.5);glEnd();glFlush();void init() glClearColor(0.
6、0,0.0,0.0,0.0);(二)编程任务1: 1.分别利用点、线图元生成锥形螺旋曲线和环形螺旋曲线,要求可以设置点的大小、线可以设置线形和宽度。锥形螺旋曲线的参数方程为:环形螺旋曲线的参数方程为:其中,t为参数且。a,b和c是常数,比如可取a=2.0,b=3.0,c=18.0。(三)编程任务2:1. 在窗口中绘制三角形和四边形两个简单填充图形,要求它们能够被鼠标选中并随鼠标一起拖动,此外能够使用右键菜单分别设置两个简单图形的颜色。利用三角形图元生成黑白相间的圆锥台,要求通过键盘或鼠标能够改变圆锥台地大端和小端直径。六、实验器材(设备、元器件):机房电脑、Microsoft Visual S
7、tudio、OpenGLAPI 函数库七、实验步骤:1:配置环境首先需要配置OpenGL编程环境,在 Microsoft Visual Studio 2010 中添加相应的头文件以及lib文件头文件添加地址为 C:Program FilesMicrosoft Visual Studio 10.0VCincludeGLlib文件添加地址 C:Program FilesMicrosoft Visual Studio 10.0VClib并且将glut.dll 添加到System.32 的文件夹里 2:建立工程建立OpenGL工程的过程选择空项目;输入名称;选择添加文件;键入代码;3:根据具体的题目要
8、求进行实验八、实验数据及结果分析:编程任务1: 分别利用点、线图元生成锥形螺旋曲线和环形螺旋曲线,要求可以设置点的大小、线可以设置线形和宽度。锥形螺旋曲线的参数方程为: 环形螺旋曲线的参数方程为:其中,t为参数且。a,b和c是常数,比如可取a=2.0,b=3.0,c=18.0。/* Test.C */#include #include #define PI 3.1415void drawthelines() float t, x, y, z; float a=2, b=3, c=18; glColor3f(1.0, 0.5, 0.5); glBegin(GL_LINE_STRIP); for
9、(t=0; t=2*PI; t+=0.0002) x = a*t*cos(c*t)+b; y = a*t*sin(c*t)+b; z = c*t; glVertex3f(x, y, z); glEnd(); glColor3f(1.0, 1.0, 1.0); glBegin(GL_LINES); glVertex3f(0, 0, 0); glVertex3f(12, 0, 0); glEnd(); glColor3f(1.0, 1.0, 1.0); glBegin(GL_LINES); glVertex3f(0, 0, 0); glVertex3f(0, 12, 0); glEnd(); gl
10、Color3f(1.0, 1.0, 1.0); glBegin(GL_LINES); glVertex3f(0, 0, 0); glVertex3f(0, 0, 12); glEnd();void display() glClear(GL_COLOR_BUFFER_BIT); drawthelines(); glFlush();void init() glClearColor(0.0, 0.0, 0.0,0.0); glColor3f(1.0, 1.0, 1.0); gluLookAt(1, 1, 1, 0, 0, 0, 0, 1, 0); glMatrixMode(GL_PROJECTION
11、); glLoadIdentity(); glOrtho(-12.0, 12.0, -12.0, 12.0, -12, 12);int main(int argc, char * argv) glutInit(&argc, argv); glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB); glutInitWindowPosition(0,0); glutCreateWindow(Draw the lines); glutDisplayFunc(display); init(); glutMainLoop(); return 0; 实验一(2)/* Test.C
12、 */#include #include #define PI 3.1415void drawthelines() float t, x, y, z; float a=2, b=3, c=18; glColor3f(1.0, 0.5, 0.5); glBegin(GL_LINE_STRIP); for (t=0; t=2*PI; t+=0.0002) x = (a*sin(c*t)+b)*cos(t); y = (a*sin(c*t)+b)*sin(t); z = a*cos(c*t); glVertex3f(x, y, z); glEnd(); glColor3f(1.0, 1.0, 1.0
13、); glBegin(GL_LINES); glVertex3f(0, 0, 0); glVertex3f(12, 0, 0); glEnd(); glColor3f(1.0, 1.0, 1.0); glBegin(GL_LINES); glVertex3f(0, 0, 0); glVertex3f(0, 12, 0); glEnd(); glColor3f(1.0, 1.0, 1.0); glBegin(GL_LINES); glVertex3f(0, 0, 0); glVertex3f(0, 0, 12); glEnd();void display() glClear(GL_COLOR_B
14、UFFER_BIT); drawthelines(); glFlush();void init() glClearColor(0.0, 0.0, 0.0,0.0); glColor3f(1.0, 1.0, 1.0); gluLookAt(1, 1, 1, 0, 0, 0, 0, 1, 0); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(-12.0, 12.0, -12.0, 12.0, -12, 12);int main(int argc, char * argv) glutInit(&argc, argv); glutInit
15、DisplayMode(GLUT_SINGLE|GLUT_RGB); glutInitWindowPosition(0,0); glutCreateWindow(Draw the lines); glutDisplayFunc(display); init(); glutMainLoop(); return 0; 编程任务2:1. 在窗口中绘制三角形和四边形两个简单填充图形,要求它们能够被鼠标选中并随鼠标一起拖动,此外能够使用右键菜单分别设置两个简单图形的颜色。#include #include #define SIZE 512int wide=600,height=600;GLint HIT
16、S;void init() glClearColor (1.0, 1.0, 1.0, 0.0);int Rect1_x1=-250,Rect1_y1=-250,Rect1_x2=450,Rect1_y2=450;int Rect2_x1=-500,Rect2_y1=-500,Rect2_x2=250,Rect2_y2=250;int movex1=0,movey1=0;int movex2=0,movey2=0;int mousex=0,mousey=0;int RGB13=1.0,1.0,0.0;int RGB23=0.0,1.0,1.0;void drawObjects(GLenum mo
17、de,int flag) if(mode = GL_SELECT) glLoadName(1); glColor3f(RGB10,RGB11,RGB12); glTranslated(4*movex1,4*movey1,0); glRectf(Rect1_x1,Rect1_y1 ,Rect1_x2 ,Rect1_y2 ); glTranslated(-4*movex1,-4*movey1,0); if(mode = GL_SELECT) glLoadName(2); glColor3f(RGB20,RGB21,RGB22); glTranslated(4*movex2,4*movey2,0);
18、 glBegin(GL_TRIANGLES); glVertex2i(0,0); glVertex2i(145,245); glVertex2i(-45,280); glEnd(); glTranslated(-4*movex2,-4*movey2,0);void display(int flag) glClear(GL_COLOR_BUFFER_BIT); drawObjects(GL_RENDER,flag); glFlush();void processHits (GLint hits, GLuint buffer) unsigned int i, j; GLint ii, jj, na
19、mes, *ptr; printf (hits = %dn, hits); ptr = (GLint *) buffer; for (i = 0; i hits; i+) names = *ptr; ptr+=3; for (j = 0; j names; j+) if(*ptr=1) printf (red rectanglen); else printf (blue rectanglen); ptr+; printf (n); GLuint selectBufSIZE;void mouse(int button, int state, int x, int y) /鼠标函数 GLint h
20、its; GLint viewport4; if (button = GLUT_LEFT_BUTTON & state = GLUT_DOWN) mousex = x; mousey = y; glGetIntegerv (GL_VIEWPORT, viewport); glSelectBuffer (SIZE, selectBuf); glRenderMode(GL_SELECT); glInitNames(); glPushName(0); glMatrixMode (GL_PROJECTION); glPushMatrix (); glLoadIdentity (); gluPickMa
21、trix (GLdouble) x, (GLdouble) (viewport3 - y),5.0, 5.0, viewport); gluOrtho2D (-2.0*wide, 2.0*wide, -2.0*height, 2.0*height); drawObjects(GL_SELECT,0); glMatrixMode (GL_PROJECTION); glPopMatrix (); glFlush (); hits = glRenderMode (GL_RENDER); HITS = hits; processHits (hits, selectBuf); glutPostRedis
22、play(); void reshape(int w, int h) wide = w; height = h; glViewport(0, 0, w, h); glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluOrtho2D (-2.0*wide, 2.0*wide, -2.0*height, 2.0*height); glMatrixMode(GL_MODELVIEW); glLoadIdentity();void keyboard(unsigned char key, int x, int y) switch (key) case 27:
23、 exit(0); break; void motion(int x,int y) /建立移动函数 if(HITS = 1 & selectBuf3 = 1 ) movex1 = x-mousex+movex1; movey1 = mousey-y+movey1; display(1); else if (HITS = 1 & selectBuf3 = 2 ) movex2 = x-mousex+movex2; movey2 = mousey-y+movey2; display(2); else if (HITS = 2 ) movex1 = x-mousex+movex1; movey1 =
24、 mousey-y+movey1; movex2 = x-mousex+movex2; movey2 = mousey-y+movey2; display(3); mousex = x; mousey = y;void subMenu1Func(int data) /设置控制键盘键 switch(data) case 1: RGB10=1.0; RGB11=0.0; RGB12=0.0; break; case 2: RGB10=0.0; RGB11=1.0; RGB12=0.0; break; case 3: RGB10=0.0; RGB11=0.0; RGB12=1.0; break; d
25、isplay(0);void subMenu2Func(int data) /设置控制键盘键 switch(data) case 1: RGB20=1.0; RGB21=0.0; RGB22=0.0; break; case 2: RGB20=0.0; RGB21=1.0; RGB22=0.0; break; case 3: RGB20=0.0; RGB21=0.0; RGB22=1.0; break; display(0);void MenuFunc(int data)int subMenu1,subMenu2,Menu;int main(int argc, char* argv) glut
26、Init(&argc, argv); glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB); glutInitWindowSize (wide, height); glutInitWindowPosition (100, 100); glutCreateWindow (argv0); init (); /创建菜单改变颜色 subMenu1 = glutCreateMenu(subMenu1Func); glutAddMenuEntry(红色?,1); glutAddMenuEntry(绿色?,2); glutAddMenuEntry(蓝?色?,3); glu
27、tAttachMenu(GLUT_RIGHT_BUTTON); /创建菜单改变颜色 subMenu2 = glutCreateMenu(subMenu2Func); glutAddMenuEntry(红色?,1); glutAddMenuEntry(绿色?,2); glutAddMenuEntry(蓝?色?,3); glutAttachMenu(GLUT_RIGHT_BUTTON); Menu = glutCreateMenu(MenuFunc); /为两个菜单设置名字 glutAddSubMenu(设置方块1的颜色,subMenu1); glutAddSubMenu(设置三角形1的?颜色,s
28、ubMenu2); glutAttachMenu(GLUT_RIGHT_BUTTON); glutReshapeFunc (reshape); glutDisplayFunc(display); glutMouseFunc (mouse); glutKeyboardFunc (keyboard); glutMotionFunc(motion); glutMainLoop();/是程序的监听一直运行,保证捕捉到操作,直到 return 0;九、总结、改进建议及心得体会:电 子 科 技 大 学实 验 报 告一、实验二:(实验项目名称) 二、实验室名称: 实验时间: 三、实验目的:四、实验原理:五、实验内容:六、实验器材(设备、元器件):七、实验步骤:八、实验数据及结果分析:九、总结、改进建议及心得体会:. (注:文档可能无法思考全面,请浏览后下载,供参考。可复制、编制,期待你的好评与关注!)
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