02160092_黃冠瑜_week13

 依網址jsyeh.org/3dcg10下載標示的兩個檔案，提供參考用！

打開老師給的windows資料夾，打開裡面的Projection執行檔，試著轉動上面的數字可以發現人物會隨著數字而改變方向、大小、角度、胖瘦！

 開啟code blocks後，把打光的程式碼先複製起來！

接著寫下這些程式，可以創造出我們自訂的視窗大小

#include <GL/glut.h>

void display()

{

    glPushMatrix();

        glutSolidTeapot(150);

    glPopMatrix();

    glFlush();

}

int main(int argc,char**argv)

{

    glutInit(&argc,argv);

    glutInitWindowSize(800,600);

    glutCreateWindow("3D");

    glutDisplayFunc(display);

    ///glutReshapeFunc(reshape);

    glViewport(0,0,800,600);

    glMatrixMode(GL_PROJECTION);

    glOrtho(-400,400,-300,300,-1000,1000);

    glMatrixMode(GL_MODELVIEW);

    glutMainLoop();

}

#include <GL/glut.h>
void display()
{
    glPushMatrix();
        glutSolidTeapot(150);
    glPopMatrix();
    glFlush();
}
void reshape(int w,int h)    ///寫reshape使改變視窗大小，也不會讓茶壺變形！
{
    glViewport(0,0,w,h);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho(-w/2,w/2,-h/2,h/2,-1000,1000);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
}
int main(int argc,char**argv)
{
    glutInit(&argc,argv);
    glutInitWindowSize(800,600);
    glutCreateWindow("3D");
    glutDisplayFunc(display);
    glutReshapeFunc(reshape);

    glutMainLoop();
}

#include <GL/glut.h>

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

void display()

{

    GLfloat pos[]={0,0,200,0};

    glLightfv(GL_LIGHT0,GL_POSITION,pos);

    glEnable(GL_LIGHT0);

    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);

        glPopMatrix();

    glPopMatrix();

    glFlush();

}

void motion(int x,int y)

{

    eyeX=x-400;eyeY=300-y;

    glutPostRedisplay();

}

void reshape(int w,int h)    ///寫reshape使改變視窗大小，也不會讓茶壺變形！

{

    glViewport(0,0,w,h);

    glMatrixMode(GL_PROJECTION);

    glLoadIdentity();

    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) eyeX+=4;

    glutPostRedisplay();

}

int main(int argc,char**argv)

{

    glutInit(&argc,argv);

    glutInitWindowSize(800,600);

    glutCreateWindow("3D");

    glutDisplayFunc(display);

    glutReshapeFunc(reshape);

    glutMotionFunc(motion);

    glutTimerFunc(0, timer, 0);

    glutMainLoop();

}

這次加入音樂檔，讓程式可以跑出音樂

#include <GL/glut.h>

#include "CMP3_MCI.H"

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);

    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);

        glPopMatrix();

    glPopMatrix();

    glFlush();

}

void motion(int x,int y)

{

    eyeX=x-400;eyeY=300-y;

    glutPostRedisplay();

}

void reshape(int w,int h)    ///寫reshape使改變視窗大小，也不會讓茶壺變形！

{

    glViewport(0,0,w,h);

    glMatrixMode(GL_PROJECTION);

    glLoadIdentity();

    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) eyeX+=4;

    glutPostRedisplay();

}

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

{

    MyMP3.Play();

}

int main(int argc,char**argv)

{

    glutInit(&argc,argv);

    glutInitWindowSize(800,600);

    glutCreateWindow("3D");

    glutDisplayFunc(display);

    glutReshapeFunc(reshape);

    glutMotionFunc(motion);

    glutTimerFunc(0, timer, 0);

    glutKeyboardFunc(keyboard);

    MyMP3.Load("music.mp3");

    glutMainLoop();

}