week11

#include <Gl/glut.h>
float teapotX=0,teapotY=0;
void keyboard(unsigned char key, int x, int y)
{

    if(key=='a' || key=='A') teapotX+=3;
    if(key=='b' || key=='B') teapotX-=3;


    glutPostRedisplay();
}

void display()
{
glEnable(GL_DEPTH_TEST);
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glPushMatrix();
        glRotatef(teapotX,0,1,0.2);
        glutWireTeapot(0.3);
     
        glPushMatrix();
       glTranslatef(0.5,0,0);
       glutSolidSphere(0.2,30,30);
        glPopMatrix();
     
        glPushMatrix();
       glTranslatef(-0.5,0,0);
       glutSolidSphere(0.2,30,30);
        glPopMatrix();
     
        glPushMatrix();
       glTranslatef(0,0.5,0);
       glutSolidSphere(0.2,30,30);
        glPopMatrix();
     
        glPushMatrix();
       glTranslatef(0,-0.5,0);
       glutSolidSphere(0.2,30,30);
        glPopMatrix();
     
    glPopMatrix();

    glutSwapBuffers();
}
void myLight()
{
    const GLfloat light_position[] = { 2.0f, 5.0f, -5.0f, 0.0f };
    glEnable(GL_LIGHT0);
    glEnable(GL_NORMALIZE);
    glEnable(GL_COLOR_MATERIAL);
    glEnable(GL_LIGHTING);
    glLightfv(GL_LIGHT0, GL_POSITION, light_position);
}
int main()
{
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
    glutCreateWindow("week10");
 
    glutDisplayFunc(display);
    glutKeyboardFunc(keyboard);
    myLight();

    glutMainLoop();
}