#include <GL/glut.h>
float angleX=0;
float angle1=0,angle2=0,angle3=0;
void display()
{
 glEnable(GL_DEPTH_TEST);
 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 glPushMatrix();
  glRotatef(angleX, 0,1,0);
  glutWireTeapot(0.3);

  glPushMatrix();
  glTranslatef(0.4,0,0);
  glutSolidSphere(0.2,30,30);
  glPushMatrix();
  glRotatef(angle1,0,0,1);
  glTranslatef(0.2,0,0);
  glScalef(1.5,0.4,0.2);
  glutSolidCube(0.42);
  glPopMatrix();
  glPopMatrix();        

  glPushMatrix();
  glTranslatef(-0.4,0,0);
  glutSolidSphere(0.2,30,30);
  glPushMatrix();
  glRotatef(angle1,0,0,1);
  glTranslatef(-0.2,0.0,0);
  glScalef(1.5,0.4,0.2);
  glutSolidCube(0.42);
  glPopMatrix();  
  glPopMatrix();                        

  glPushMatrix();
  glTranslatef(0,0.4,0);
  glutSolidSphere(0.2,30,30);
 
 
  glPopMatrix();        







  glPushMatrix();
  glTranslatef(-0.2,-0.3,0);
 
  glPushMatrix();
  glRotatef(angle2,0,0,1);
  glTranslatef(-0.1,-0.2,0);
  glPushMatrix();
  glTranslatef(-0.12,-0.12,0);//外部
  glRotatef(angle3,0,0,1);
  glRotatef(-135,0,0,1);
  glTranslatef(0.1,0.00,0);//内部
  glScalef(0.7,0.4,0.2);
  glutSolidCube(0.42);
  glPopMatrix();
  glRotatef(45,0,0,1);
  glScalef(0.7,0.4,0.2);
  glutSolidCube(0.42);
  glPopMatrix();
  glScalef(0.7,0.7,0.7);
  glutSolidSphere(0.2,30,30);
  glPopMatrix();

  glPushMatrix();
  glTranslatef(0.2,-0.3,0);/
  glPushMatrix();
  glRotatef(-angle2,0,0,1);
  glTranslatef(0.1,-0.2,0);
  glPushMatrix();
  glTranslatef(0.12,-0.12,0);/外部
  glRotatef(-angle3,0,0,1);
  glRotatef(135,0,0,1);
  glTranslatef(-0.1,0.00,0);//内部
  glScalef(0.7,0.4,0.2);
  glutSolidCube(0.42);
  glPopMatrix();
  glRotatef(-45,0,0,1);
  glScalef(0.7,0.4,0.2);
  glutSolidCube(0.42);
  glPopMatrix();
  glScalef(0.7,0.7,0.7);
  glutSolidSphere(0.2,30,30);
  glPopMatrix();







 glPopMatrix();
 glutSwapBuffers();
}
void keyboard(unsigned char key, int x, int y)
{
     if(key=='a') angleX+=3;
     if(key=='b') angleX-=3;
     if(key=='1') angle1+=3;
     if(key=='2') angle1-=3;
     if(key=='3') angle2+=3;
     if(key=='4') angle2-=3;
     if(key=='5') angle3+=3;
     if(key=='6') angle3-=3;
     glutPostRedisplay();
     
}
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("week11");
 glutDisplayFunc(display);
 glutKeyboardFunc(keyboard);
 myLight();
 glutMainLoop();
}