HW10-轉動的茶壺

#include <GL/glut.h>

#include <stdio.h>

float angleX=0;

void keyboard(unsigned char key, int x, int y)

{

 printf("%c %d %d\n", key, x, y);

    if(key=='a') angleX+=3;

    if(key=='b') angleX-=3;

    glutPostRedisplay();

}

void display()

{

 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

 glPushMatrix();

  glRotatef(angleX, 0,1,0);

  glutSolidTeapot(0.3);

 glPopMatrix();

 glutSwapBuffers();

}

int main()

{

 glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

 glutCreateWindow("week10");

 glutDisplayFunc(display);

 glutKeyboardFunc(keyboard);

 glutMainLoop();

}

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#include <GL/glut.h>

#include <stdio.h>

float angle=0;

void keyboard(unsigned char key , int x , int y)

{

     printf("%c %d %d\n",key,x,y);

     if(key=='a') angle+=3;

     if(key=='b') angle-=3;

     glutPostRedisplay();

   

     //glutSwapBuffers();

}

void myLight()

{

 const GLfloat light_position[] = {2.0f, 5.0f,0.0f,0.0f};

 glEnable(GL_LIGHT0);

    glEnable(GL_NORMALIZE);

    glEnable(GL_COLOR_MATERIAL);

    glEnable(GL_LIGHTING);

    glLightfv(GL_LIGHT0,GL_POSITION,light_position);

}

void display()

{

     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

     glPushMatrix();

        glRotatef(angle,0,1,0);

        glutSolidTeapot(0.3);

     glPopMatrix();

     glutSwapBuffers();

}

int main()

{

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("Week 10");

  

    glutDisplayFunc(display);

    glutKeyboardFunc(keyboard);

   myLight();

    glutMainLoop();

}

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