week9 open gl

#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glut.h>

#include <stdlib.h>
#include <windows.h>
#include <math.h>

float xRotated = 90.0, yRotated = 0.0, zRotated = 0.0;

//------------------------------  reshapeFunc  ---------------------------------

void reshapeFunc (int w, int h)
{
    glViewport(0,0,(GLsizei)w,(GLsizei)h);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluPerspective (40.0, (GLdouble)w / (GLdouble)h, 0.5, 20.0);
    glMatrixMode(GL_MODELVIEW);
}

//------------------------------  display   -------------------------------

void display (void)
{

    glClear        (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glLoadIdentity ();
    glTranslatef    (0.0, 0.0, -15.0);



    glutSwapBuffers();
}

//--------------------------------  idleFunc  ----------------------------------

void idleFunc (void)
{
    zRotated += 1;
    glutPostRedisplay();
}

void texture (void){

const GLfloat light_ambient[]  = { 0.0f, 0.0f, 0.0f, 1.0f };
const GLfloat light_diffuse[]  = { 1.0f, 1.0f, 1.0f, 1.0f };
const GLfloat light_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };
const GLfloat light_position[] = { 2.0f, 5.0f, 5.0f, 0.0f };

const GLfloat mat_ambient[]    = { 0.7f, 0.7f, 0.7f, 1.0f };
const GLfloat mat_diffuse[]    = { 0.8f, 0.8f, 0.8f, 1.0f };
const GLfloat mat_specular[]   = { 1.0f, 1.0f, 1.0f, 1.0f };
const GLfloat high_shininess[] = { 100.0f };

    glEnable(GL_CULL_FACE);
    glCullFace(GL_BACK);

    glEnable(GL_DEPTH_TEST);
    glDepthFunc(GL_LESS);

    glEnable(GL_LIGHT0);
    glEnable(GL_NORMALIZE);
    glEnable(GL_COLOR_MATERIAL);
    glEnable(GL_LIGHTING);

    glLightfv(GL_LIGHT0, GL_AMBIENT,  light_ambient);
    glLightfv(GL_LIGHT0, GL_DIFFUSE,  light_diffuse);
    glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
    glLightfv(GL_LIGHT0, GL_POSITION, light_position);

    glMaterialfv(GL_FRONT, GL_AMBIENT,   mat_ambient);
    glMaterialfv(GL_FRONT, GL_DIFFUSE,   mat_diffuse);
    glMaterialfv(GL_FRONT, GL_SPECULAR,  mat_specular);
    glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);


}

//----------------------------------  main  ------------------------------------


int main (int argc, char **argv)
{
    glutInit               (&argc, argv);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE); // buffer mode
    glutInitWindowSize     (800, 700);
    glutInitWindowPosition (700, 200);
    glutCreateWindow       ("Sphere Rotating Animation");

    glClearColor (1.0, 1.0, 1.0, 0.0);

    glutDisplayFunc (display);
    glutReshapeFunc (reshapeFunc);
    glutIdleFunc    (idleFunc);

    glClearColor(1,1,1,1);
    texture(); // Lighting and textures


    glutMainLoop();
}