第六周

#include <GL/glut.h>
#include <opencv/cv.h>
#include <opencv/highgui.h>
GLuint id;
float rot=0;
GLUquadric * quad=NULL;
void display()
{
glEnable(GL_DEPTH_TEST);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();

glRotatef(90,1,0,0);
glRotatef(rot,0,0,1);
gluQuadricTexture(quad, true);
gluSphere(quad,1,30,30);

glPopMatrix();
glutSwapBuffers();
}
void idle()
{
rot++;
glutPostRedisplay();
}
int main()
{
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("01160812");
glutDisplayFunc(display);
glutIdleFunc(idle);

IplImage * img = cvLoadImage("earth.jpg");
cvCvtColor(img,img,CV_BGR2RGB);

glEnable(GL_TEXTURE_2D);
glGenTextures(1,&id);
glBindTexture(GL_TEXTURE_2D,id);
glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D,0,GL_RGB,img->width,img->height,0,GL_RGB,GL_UNSIGNED_BYTE,img->imageData);

quad = gluNewQuadric();
glutMainLoop();
return 0;

}