OpenGL入门笔记（十六）

#include<windows.h>
#include<GL/glut.h>
#include<math.h>

/**//*声明四个二次曲面物体*/
GLUquadricObj*quadObj1;
GLUquadricObj*quadObj2;
GLUquadricObj*quadObj3;
GLUquadricObj*quadObj4;

staticfloatlight_ambient[]={0.1,0.1,0.1,1.0};
staticfloatlight_diffuse[]={0.5,1.0,1.0,1.0};
staticfloatlight_position[]={90.0,90.0,150.0,0.0};

staticfloatfront_mat_shininess[]={60.0};
staticfloatfront_mat_specular[]={0.2,0.2,0.2,1.0};
staticfloatfront_mat_diffuse[]={0.5,0.5,0.28,1.0};

staticfloatback_mat_shininess[]={60.0};
staticfloatback_mat_specular[]={0.5,0.5,0.2,1.0};
staticfloatback_mat_diffuse[]={1.0,0.9,0.2,1.0};
staticfloatImodel_ambient[]={1.0,1.0,1.0,1.0};
staticfloatImodel_twoside[]={GL_TRUE};
staticfloatImodel_oneside[]={GL_FALSE};

voidmyInit(void)
{
　glClearColor(1.0,1.0,1.0,1.0);
　glEnable(GL_DEPTH_TEST);
　glDepthFunc(GL_LEQUAL);
　glLightfv(GL_LIGHT0,GL_AMBIENT,light_ambient);
　glLightfv(GL_LIGHT0,GL_DIFFUSE,light_diffuse);
　glLightfv(GL_LIGHT0,GL_POSITION,light_position);
　glMaterialfv(GL_FRONT,GL_DIFFUSE,front_mat_diffuse);
　glMaterialfv(GL_FRONT,GL_SPECULAR,front_mat_specular);
　glMaterialfv(GL_FRONT,GL_SHININESS,front_mat_shininess);
　glMaterialfv(GL_BACK,GL_DIFFUSE,back_mat_diffuse);
　glMaterialfv(GL_BACK,GL_SPECULAR,back_mat_specular);
　glMaterialfv(GL_BACK,GL_SHININESS,back_mat_shininess);
　glLightModelfv(GL_LIGHT_MODEL_AMBIENT,Imodel_ambient);
　glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE,Imodel_twoside);
　glEnable(GL_LIGHTING);
　glEnable(GL_LIGHT0);
　glShadeModel(GL_SMOOTH);
}

voidmyDisplay(void)
{
　glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
　quadObj1=gluNewQuadric();
　quadObj2=gluNewQuadric();
　quadObj3=gluNewQuadric();
　quadObj4=gluNewQuadric();
　glPushMatrix();
　gluQuadricDrawStyle(quadObj1,GLU_FILL);
　gluQuadricNormals(quadObj1,GL_FLAT);
　gluQuadricOrientation(quadObj1,GLU_INSIDE);
　gluQuadricTexture(quadObj1,GL_TRUE);
　glColor3f(1.0,1.0,0.0);
　glRotatef(30,1.0,0.0,0.0);
　glRotatef(40,0.0,1.0,0.0);
　gluCylinder(quadObj1,2.0,2.0,9.0,20.0,8.0);
　glPopMatrix();
　glPushMatrix();
　gluQuadricDrawStyle(quadObj2,GLU_SILHOUETTE);
　glTranslatef(-5.0,-1.0,0.0);
　gluSphere(quadObj2,3.0,20.0,20.0);
　glPopMatrix();
　glPushMatrix();
　gluQuadricDrawStyle(quadObj3,GLU_LINE);
　glTranslatef(-2.0,4.0,0.0);
　gluDisk(quadObj3,2.0,5.0,15.0,10.0);
　glPopMatrix();
　glPushMatrix();
　gluQuadricDrawStyle(quadObj4,GLU_POINT);
　glTranslatef(-3.0,-7.0,0.0);
　gluPartialDisk(quadObj4,2.0,5.0,15.0,10.0,10.0,100.0);
　glPopMatrix();
　gluDeleteQuadric(quadObj1);
　gluDeleteQuadric(quadObj2);
　gluDeleteQuadric(quadObj3);
　gluDeleteQuadric(quadObj4);
　
　glFlush();
}

voidmyReshape(intw,inth)
{
　glViewport(0,0,(GLsizei)w,(GLsizei)h);
　glMatrixMode(GL_PROJECTION);
　glLoadIdentity();
　gluPerspective(45.0,(GLfloat)w/(GLfloat)h,1.0,50.0);
　glMatrixMode(GL_MODELVIEW);
　glLoadIdentity();
　glTranslatef(0.0,0.0,-25.0);
}

intmain(intargc,char**argv)
{
　glutInit(&argc,argv);
　glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB|GLUT_DEPTH);
　glutInitWindowSize(400,400);
　glutInitWindowPosition(100,100);
　glutCreateWindow("DRAWQUADRICOBJECTS");
　myInit();
　glutReshapeFunc(myReshape);
　glutDisplayFunc(myDisplay);
　glutMainLoop();
　return0;
}