Week 08 課堂作業

程式碼內收

#include <GL/glut.h>

#include <opencv/highgui.h>

#include <opencv/cv.h>

GLUquadric * quad=NULL;

float angle=0;

void display()

{

  glEnable(GL_DEPTH_TEST);

  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

 

  glPushMatrix();

  glRotatef(90, 1,0,0);

 

  glRotatef(angle, 0,0,1);

gluQuadricTexture(quad, true);

gluSphere(quad, 0.5, 30, 30);

  glPopMatrix();

 

  glutSwapBuffers();

}

void idle()

{

angle++;

glutPostRedisplay();

}

int main()

{

glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

glutCreateWindow("week08");

glutDisplayFunc(display);

glutIdleFunc(idle);

 

GLuint id;

IplImage * img = cvLoadImage("earth_map.jpg");

cvCvtColor(img, img, CV_BGR2RGB);

glEnable(GL_TEXTURE_2D);

glGenTextures(1,&id);

glBindTexture(GL_TEXTURE_2D,id);

 

glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);

glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_LINEAR);

glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_LINEAR);

glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, img->width, img->height, 0, GL_RGB, GL_UNSIGNED_BYTE, img->imageData);

 

quad = gluNewQuadric();

glutMainLoop();

}