Week 11 (機器人)

#include <GL/glut.h>

float angleX =0 , angle2=0;
 void keyboard(unsigned char key, int x, int y)
 {
  if(key=='1') angleX+=5;
  if(key=='2') angleX-=5;
  if(key=='3') angleX+=5;
  if(key=='4') angleX-=5;

  glutPostRedisplay();//請電腦重新畫一次畫面
 }

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);
}

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(0,0.4,0);
       glutSolidSphere(0.3,30,30);
   glPopMatrix();
 
   glPushMatrix();//右肩膀
        glTranslatef(0.4,0,0);
        glutSolidSphere(0.23,30,30);
        glPushMatrix();//右邊手臂
            glRotatef(angle2,0,0,1);
            glTranslatef(0,-0.2,0);
            glScalef(0.4,1,0.4);
            glutSolidCube(0.5);
          glPopMatrix();
        glPopMatrix();
 
   glPushMatrix();//左肩膀
        glTranslatef(-0.4,0,0);
        glutSolidSphere(0.23,30,30);
        glPushMatrix();//左邊手臂
            glRotatef(-angle2,0,0,1);
            glTranslatef(0,-0.2,0);
            glScalef(0.4,1,0.4);
            glutSolidCube(0.5);
          glPopMatrix();
        glPopMatrix();

     glPopMatrix();
  glPopMatrix();
  glutSwapBuffers();
 }

int main()
 {
  glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
  glutCreateWindow("week11");

 glutDisplayFunc(display);
  glutKeyboardFunc(keyboard);

 myLight();
  glutMainLoop();
 }