abcqq week 06

1.打光

相關程式碼:

glutCreateWindow(...); //開視窗

glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING); //打光程式1
glEnable(GL_LIGHT0); //打光程式2
glLightfv(GL_LIGHT0, GPOSITION, pos); 

keyboard 副程式

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

{

    printf("now: %c (%d %d)\n", key, x,y);

    if(key=='1') rotateX++;

    if(key=='2') rotateY++;

    if(key=='3') rotateZ++;

    glutPostRedisplay(); //畫面重新 re-display

}

滑鼠控制  

void mouse(int button, int state, int x, int y)

{   printf("button:%d state:%d (%d %d)\n", button, state, x, y);

    

    if(state==GLUT_DOWN) 

    {

        oldX=x; oldY=y;

    }

}

滑鼠拖曳

void motion(int x, int y)

{

    rotateY +=   -(x-oldX);

    rotateX +=   -(y-oldY);

    oldX=x; oldY=y;

    glutPostRedisplay();

}