南邮计算机图形学实验报告(完整版)

PAGE9实验报告实验名称指导教师实验类型综合实验学时2实验时间一、实验目的和要求能够灵活的运用OpenGL图形API函数，基于C++程序语言，自行设计出各种各样的计算机图形方案并调整不同的透视模型。学会配置OpenGL图形函数API，设计(1)在屏幕上显示基本3D图形；(2)设置图形的表面光照模型及投影变换模型。1.所有图形（例如球体，正方体）有清晰的轮廓。2.学会设置图形表面的光照色彩以及投影变换模型。3.尽可能采用高效的算法，以降低时间复杂性和空间复杂性。二、实验环境(实验设备)硬件：微机软件：vs2012实验报告三、实验过程描述与结果分析实验代码：#include<GL/glut.h>//绘制立方体//将立方体的八个顶点保存到一个数组里面staticconstfloatvertex_list[][3]={-0.5f,-0.5f,-0.5f,0.5f,-0.5f,-0.5f,-0.5f,0.5f,-0.5f,0.5f,0.5f,-0.5f,-0.5f,-0.5f,0.5f,0.5f,-0.5f,0.5f,-0.5f,0.5f,0.5f,0.5f,0.5f,0.5f,};//将要使用的顶点的序号保存到一个数组里面staticconstGLintindex_list[][2]={{0,1},{2,3},{4,5},{6,7},{0,2},{1,3},{4,6},{5,7},{0,4},{1,5},{7,3},{2,6}};//光照模型voidinit(void){GLfloatambient[]={0.0,0.0,0.0,1.0};GLfloatdiffuse[]={1.0,1.0,1.0,1.0};GLfloatposition[]={0.0,3.0,2.0,0.0};GLfloatlmodel_ambient[]={0.4,0.4,0.4,1.0};GLfloatlocal_view[]={0.0};glClearColor(0.0,0.1,0.1,0.0);glEnable(GL_DEPTH_TEST);glShadeModel(GL_SMOOTH);glLightfv(GL_LIGHT0,GL_AMBIENT,ambient);glLightfv(GL_LIGHT0,GL_DIFFUSE,diffuse);glLightfv(GL_LIGHT0,GL_POSITION,position);glLightModelfv(GL_LIGHT_MODEL_AMBIENT,lmodel_ambient);glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER,local_view);glEnable(GL_LIGHTING);glEnable(GL_LIGHT0);}//绘制立方体voidDrawCube(void){inti,j;glBegin(GL_LINES);for(i=0;i<12;++i)//12条线段{for(j=0;j<2;++j)//每条线段2个顶点{glVertex3fv(vertex_list[index_list[i][j]]);}} glColor3f(1.0f,1.0f,1.0f);glVertex2f(0.0f,0.0f);for(i=0;i<=8;++i){glColor3f(i&0x04,i&0x02,i&0x01); }glEnd();}staticfloatrotate=0;staticinttimes=0;voidrenderScene(void){ intw;inth;glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);//glMatrixMode(GL_MODELVIEW); glLoadIdentity(); glMatrixMode(GL_PROJECTION);// gluPerspective(45.0f,0.5,0.1f,200.0f);// glMatrixMode(GL_MODELVIEW);// glLoadIdentity();// gluPerspective()glPushMatrix();//glTranslatef(-0.2,0,0);//平移//glScalef(2,1,1);//缩放times++;if(times>100){times=0;}if(times%100==0){rotate+=0.3;}glRotatef(rotate,0,1,0);glRotatef(rotate,1,0,0);glColor3f(1,0,0);DrawCube();glPopMatrix();glutSwapBuffers();}voidmain(intargc,char**argv){glutInit(&argc,argv);glutInitDisplayMode(GLUT_DEPTH|GLUT_DOUBLE|GLUT_RGBA);glutInitWindowPosition(100,100);glutInitWindowSize(500,500);glutCreateWindow("Rectangle"); init();glutDisplayFunc(renderScene);glutIdleFunc(renderScene);glutMainLoop();}实验结果图：实验报告四、实