02163051_邱冠程 Week13

設定茶壺大小，
讓螢幕內的茶壺不會變形。

帶入 音樂、鏡頭

#include <GL/glut.h>

#include "CMP3_MCI.h" ///宣告

CMP3_MCI    MyMP3;

float eyeX=-100, eyeY=80, eyeZ=-200;

void display()

{

    GLfloat pos[] = {0, 0, 200, 0};

    glLightfv(GL_LIGHT0, GL_POSITION, pos);

    glEnable(GL_LIGHT0); ///開頭的複製

    glEnable(GL_NORMALIZE);

    glEnable(GL_LIGHTING);

    glEnable(GL_DEPTH_TEST);

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

        gluLookAt(eyeX,eyeY,eyeZ, 0,0,0, 0,1,0);

    glPushMatrix();

        glutSolidTeapot(100); ///要多少有多少

    glPopMatrix();

    glPopMatrix();

    glFlush();

}

void motion(int x, int y)

{

    eyeX=x-400; eyeY=300-y;

    glutPostRedisplay();

}

void reshape(int w, int h)

{

    glViewport(0,0, w,h); ///寬度跟高度

    glMatrixMode(GL_PROJECTION); ///可以等比例了

    glLoadIdentity(); ///保護用的

    gluPerspective(90, w/h, 0.001, 10000);

    glMatrixMode(GL_MODELVIEW);

    glLoadIdentity();

}

void timer(int t)

{

    glutTimerFunc(20, timer, t+1);

    eyeX+=2;

    if(eyeX>300) eyeY+=4;

    glutPostRedisplay();

}

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

{

    MyMP3.Play(); ///按按鍵

}

int main(int argc, char**argv)

{

    glutInit(&argc, argv);

    glutInitWindowSize(800,600);

    glutCreateWindow("3D");

    glutDisplayFunc(display);

    glutReshapeFunc(reshape); ///視窗變形,交給他 重要!!

    glutMotionFunc(motion);

    glutTimerFunc(0, timer, 0);

    glutKeyboardFunc(keyboard);

    MyMP3.Load("music.mp3");

    //glViewport(0,0, 800,600);

    //glMatrixMode(GL_PROJECTION); ///可以等比例了

    //glOrtho(-400,400, -300,300,-1000,1000); ///投影矩陣

    //glMatrixMode(GL_MODELVIEW);

    glutMainLoop();

}