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

void myinit(void){
    GLfloat ambient[] = { 0.0, 0.0, 0.0, 1.0 };
    GLfloat diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
    GLfloat position[] = { 0.0, 3.0, 2.0, 0.0 };
    GLfloat lmodel_ambient[] = { 0.4, 0.4, 0.4, 1.0 };

    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);

    glEnable(GL_DEPTH_TEST);
    glEnable(GL_LIGHTING);
    glEnable(GL_LIGHT0);

    glClearColor(1.0, 1.0, 1.0, 0.0);
}

void display(void)
{
    GLfloat no_mat[] = { 0.0, 0.0, 0.0, 1.0 };
    GLfloat mat_ambient[] = { 1.0, 0.0, 0.0, 1.0};  //rojo
    GLfloat mat_diffuse[] = { 0.1, 0.5, 0.8, 1.0 };
    GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };  // blanco
    GLfloat no_shininess[] = { 0.0 };
	GLfloat low_shininess[] = { 5.0 };
    GLfloat high_shininess[] = { 100.0 };
    GLfloat mat_emission[] = {0.3, 0.2, 0.2, 0.0};

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

// 1er renglon, 1a columna reflexion difusa    
    glPushMatrix();
      glTranslatef (-3.75, 3.0, 0.0);
      glMaterialfv(GL_FRONT, GL_AMBIENT, no_mat);
      glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
      glMaterialfv(GL_FRONT, GL_SPECULAR, no_mat);
      glMaterialfv(GL_FRONT, GL_SHININESS, no_shininess);
      glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
      glutSolidSphere(1.0, 20, 20);
    glPopMatrix();
    
	// 2do renglon, 1a columna reflexion ambiente=difusa   
    glPushMatrix();
      glTranslatef (-3.75, 0.0, 0.0);
      glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, mat_diffuse);
      glMaterialfv(GL_FRONT, GL_SPECULAR, no_mat);
      glMaterialfv(GL_FRONT, GL_SHININESS, no_shininess);
      glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
      glutSolidSphere(1.0, 20, 20);
    glPopMatrix();

// 3er renglon, 1a columna reflexion ambiente rojo y difusa   
    glPushMatrix();
      glTranslatef (-3.75, -3.0, 0.0);
      glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
      glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
      glMaterialfv(GL_FRONT, GL_SPECULAR, no_mat);
      glMaterialfv(GL_FRONT, GL_SHININESS, no_shininess);
      glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
      glutSolidSphere(1.0, 20, 20);
    glPopMatrix();

    glFlush();
}
void myReshape(int w, int h)
{
    glViewport(0, 0, w, h);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho (-6.0, 6.0, -4.5, 4.5, -6.0, 6.0);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
}
int main(int argc, char** argv){
    glutInit(&argc, argv);
    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
    glutInitWindowSize (600, 450);
    glutCreateWindow("Materiales 2");
    myinit();
    glutReshapeFunc(myReshape);
    glutDisplayFunc(display);
    glutMainLoop();
    return 0;
}