茶壺圓球旋轉跳躍

#include <GL/glut.h>

float angleX =0;
void keyboard(unsigned char key, int x, int y)
{
    if(key=='1') angleX+=5;
    if(key=='2') 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);
    glutSolidTeapot(0.3);
   
    glPushMatrix();
    glTranslatef(0.5,0,0);
    glutSolidSphere(0.3,30,30);glPopMatrix();
   
    glPushMatrix();
    glTranslatef(-0.5,0,0);
    glutSolidSphere(0.3,30,30);
    glPopMatrix();
   
    glPushMatrix();
    glTranslatef(0,0.5,0);
    glutSolidSphere(0.3,30,30);
    glPopMatrix();
   
    glPushMatrix();
    glTranslatef(0,-0.5,0);
    glutSolidSphere(0.3,30,30);
    glPopMatrix();
   
    glPopMatrix();
    glutSwapBuffers();
}

int main()
{
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
    glutCreateWindow("week11");
    glutDisplayFunc(display);
    glutKeyboardFunc(keyboard);
   
    myLight();
    glutMainLoop();
}