2024年4月25日 星期四

11160933_week10

0.freeglut

1.new file week10-1_glutWireCube_myBody_myArm

copy last week 09-3

2.只留一個矩陣

3.second cube

4.color

5.把程式分成myBody和myArm

6.new file week10-2_rotate_myArm

copy last

float angle = 0;

add matrix

glutIdleFunc(display);


7.new file week10-3_rotate_translate_myArm

copy last

add translatef

8.new file week10-4_translate_rotate_translate_myArm

add another myArm()


9.new file week10-5_TRT_TRT_myArm

wrong one


10.new file week10-6_left_right_myArm
copy matrix and turn left

11.new file week10-7_mouse_motion_control_myArm
copy last

除掉++

glutMotionFunc(motion);

void motion(int x int y){

    angle = x;

    glutPostRedisplay();

}

12.new file week10-8_mouse_motion_2_myArm
copy last

left angle -angle

13.new file week10-9_PlaySound

copy last

#include <mmsystem.h>

PlaySound("C:/horse.wav", NULL, SND_ASYNC);

put horse in C:























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從0到0.01的電腦圖學 Week10

本週主題：T-R-T

(1) 主題：T-R-T 關節轉動

(2) 主題：T-R-T 階層性轉動

(3) 小考內容：T-R-T轉動

1. GLUT程式1：

將上週 week09-3_glutWireTeapot_glutWireCube_glutWireSphere修改
繪圖塊留下空心方形，程式碼如下：

void display(){
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

        glPushMatrix();
        glutWireCube(0.6);
glPopMatrix();

        glutSwapBuffers();
}

接著修改繪製出身體與手臂，display()與相關函式如下：

#include <GL/glut.h>
void myBody(){
    glPushMatrix();
        glColor3f(1,0,0); ///red
        glutWireCube(0.6);
glPopMatrix();
}
void myArm(){
    glPushMatrix();
        glColor3f(0,1,0); ///green
        glScalef(1,0.4,0.4);
        glutWireCube(0.3);
glPopMatrix();
}
void display(){
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
myBody();
    myArm();
glutSwapBuffers();
}

即可繪製出身體(紅色正方形)與手臂(綠色長方形)。

2. GLUT程式2：

加上rotate()涵式使物件可以旋轉，並記得在main中加入glutIdleFunc()函式。

#include <GL/glut.h>
void myBody(){
    glPushMatrix();
        glColor3f(1,0,0); ///red
        glutWireCube(0.6);
    glPopMatrix();
}
void myArm(){
    glPushMatrix();
        glColor3f(0,1,0); ///green
        glScalef(1,0.4,0.4);
        glutWireCube(0.3);
    glPopMatrix();
}
float angle=0;
void display(){
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    myBody();
    glPushMatrix();
        glRotatef(angle++, 0 ,0 , 1);
        myArm();
    glPopMatrix();
    glutSwapBuffers();
}
int main(int argc, char*argv[]){
glutInit(&argc, argv);
 glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
 glutCreateWindow("week10-2");
 glutDisplayFunc(display);
 glutIdleFunc(display);
 glutMainLoop();
}

中心長方形依中心轉動

3. GLUT程式3：

將上一個程式碼glRotatef()後加入函式glTranslatef()

#include <GL/glut.h>
void myBody(){
    glPushMatrix();
        glColor3f(1,0,0); ///red
        glutWireCube(0.6);
glPopMatrix();
}
void myArm(){
    glPushMatrix();
        glColor3f(0,1,0); ///green
        glScalef(1,0.4,0.4);
        glutWireCube(0.3);
glPopMatrix();
}
float angle=0;
void display(){
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    myBody();
    glPushMatrix();
        glRotatef(angle++, 0 ,0 , 1);
        glTranslatef(0.15, 0, 0);
        myArm();
    glPopMatrix();
    glutSwapBuffers();
}
int main(int argc, char*argv[]){
glutInit(&argc, argv);
 glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
 glutCreateWindow("week10-3");
 glutDisplayFunc(display);
 glutIdleFunc(display);
 glutMainLoop();
}
因為移動物件的原因，原來是物件中心在旋轉中心，但這個程式碼會變成物件邊在旋轉中心

4. GLUT程式4：T-R-T關節轉動

將上一個程式碼glRotatef()前加入函式glTranslatef()使其可以是完整的T-R-T結構(綠色處)

#include <GL/glut.h>
void myBody(){
    glPushMatrix();
        glColor3f(1,0,0); ///red
        glutWireCube(0.6);
    glPopMatrix();
}
void myArm(){
    glPushMatrix();
        glColor3f(0,1,0); ///green
        glScalef(1,0.4,0.4);
        glutWireCube(0.3);
    glPopMatrix();
}
float angle=0;
void display(){
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    myBody();
    glPushMatrix();
        glTranslatef(0.3, 0.3, 0);
        glRotatef(angle++, 0 ,0 , 1);
        glTranslatef(0.15, 0, 0);
        myArm();
    glPopMatrix();
    glutSwapBuffers();
}
int main(int argc, char*argv[]){
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
    glutCreateWindow("week10-4");
    glutDisplayFunc(display);
    glutIdleFunc(display);
    glutMainLoop();
}

5. GLUT程式5：T-R-T階層性轉動

將上一個程式碼中，畫手臂的glPushMatrix(); 與 glPopMatrix();間再插入一整套T-R-T。接著考慮移動(紅色處)，就完成階層性轉動。

#include <GL/glut.h>
void myBody(){
    glPushMatrix();
        glColor3f(1,0,0); ///red
        glutWireCube(0.6);
    glPopMatrix();
}
void myArm(){
    glPushMatrix();
        glColor3f(0,1,0); ///green
        glScalef(1,0.4,0.4);
        glutWireCube(0.3);
    glPopMatrix();
}
float angle=0;
void display(){
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    myBody();
    glPushMatrix(); ///右半邊
        glTranslatef(0.3, 0.3, 0);
        glRotatef(angle++, 0 ,0 , 1);
        glTranslatef(0.15, 0, 0);
        myArm();  ///右上手臂
        glPushMatrix();
            glTranslatef(0.15, 0, 0);
            glRotatef(angle, 0 ,0 , 1);
            glTranslatef(0.15, 0, 0);
            myArm();  ///右下手臂
        glPopMatrix();
    glPopMatrix();
    glutSwapBuffers();
}
int main(int argc, char*argv[]){
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
    glutCreateWindow("week10-5");
    glutDisplayFunc(display);
    glutIdleFunc(display);
    glutMainLoop();
}

6. GLUT程式6：

在上一個程式碼中已經將右邊的手臂完成，接著我們需要考慮左邊的手臂，也就意味著轉動中心與位移都要改成負的(綠色處)。

#include <GL/glut.h>
void myBody(){
    glPushMatrix();
        glColor3f(1,0,0); ///red
        glutWireCube(0.6);
    glPopMatrix();
}
void myArm(){
    glPushMatrix();
        glColor3f(0,1,0); ///green
        glScalef(1,0.4,0.4);
        glutWireCube(0.3);
    glPopMatrix();
}
float angle=0;
void display(){
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    myBody();
    glPushMatrix(); ///右半邊
        glTranslatef(0.3, 0.3, 0);
        glRotatef(angle++, 0 ,0 , 1);
        glTranslatef(0.15, 0, 0);
        myArm();  ///右上手臂
        glPushMatrix();
            glTranslatef(0.15, 0, 0);
            glRotatef(angle, 0 ,0 , 1);
            glTranslatef(0.15, 0, 0);
            myArm();  ///右下手臂
        glPopMatrix();
    glPopMatrix();
    glPushMatrix(); ///左半邊
        glTranslatef(-0.3, 0.3, 0);
        glRotatef(angle, 0 ,0 , 1);
        glTranslatef(-0.15, 0, 0);
        myArm();  ///左上手臂
        glPushMatrix();
            glTranslatef(-0.15, 0, 0);
            glRotatef(angle, 0 ,0 , 1);
            glTranslatef(-0.15, 0, 0);
            myArm();  ///左下手臂
        glPopMatrix();
    glPopMatrix();
    glutSwapBuffers();
}
int main(int argc, char*argv[]){
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
    glutCreateWindow("week10-6");
    glutDisplayFunc(display);
    glutIdleFunc(display);
    glutMainLoop();
}

7. GLUT程式7：以滑鼠控制轉動
承接上一個程式碼
a.因為要用mouse motion 來操控，所以angle都移除掉++。
b.在main中加入glutMotionFunc(); 啟用鼠標的功能
c.將void motion(int x, int y)函式
#include <GL/glut.h>

void myBody(){
    glPushMatrix();
        glColor3f(1,0,0); ///red
        glutWireCube(0.6);
    glPopMatrix();
}
void myArm(){
    glPushMatrix();
        glColor3f(0,1,0); ///green
        glScalef(1,0.4,0.4);
        glutWireCube(0.3);
    glPopMatrix();
}
float angle=0;
void display(){
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    myBody();

    glPushMatrix(); ///右半邊
        glTranslatef(0.3, 0.3, 0);
        glRotatef(angle, 0 ,0 , 1);
        glTranslatef(0.15, 0, 0);
        myArm();  ///右上手臂
        glPushMatrix();
            glTranslatef(0.15, 0, 0);
            glRotatef(angle, 0 ,0 , 1);
            glTranslatef(0.15, 0, 0);
            myArm();  ///右下手臂
        glPopMatrix();
    glPopMatrix();

    glPushMatrix(); ///左半邊
        glTranslatef(-0.3, 0.3, 0);
        glRotatef(angle, 0 ,0 , 1);
        glTranslatef(-0.15, 0, 0);
        myArm();  ///左上手臂
        glPushMatrix();
            glTranslatef(-0.15, 0, 0);
            glRotatef(angle, 0 ,0 , 1);
            glTranslatef(-0.15, 0, 0);
            myArm();  ///左下手臂
        glPopMatrix();
    glPopMatrix();

    glutSwapBuffers();
}
void motion(int x,int y){
    angle = x;
    glutPostRedisplay();
}
int main(int argc, char*argv[]){
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
    glutCreateWindow("week10-7");
    glutDisplayFunc(display);
    glutMotionFunc(motion);
    glutIdleFunc(display);
    glutMainLoop();
}
8. GLUT程式8：
在上一個程式碼中會發現手臂的方向是相互點對稱的，所以試著將左半邊的角度改負號或者右半邊角度改負號，使左邊與右邊是對稱的
#include <GL/glut.h>

void myBody(){
    glPushMatrix();
        glColor3f(1,0,0); ///red
        glutWireCube(0.6);
    glPopMatrix();
}
void myArm(){
    glPushMatrix();
        glColor3f(0,1,0); ///green
        glScalef(1,0.4,0.4);
        glutWireCube(0.3);
    glPopMatrix();
}
float angle=0;
void display(){
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    myBody();

    glPushMatrix(); ///右半邊
        glTranslatef(0.3, 0.3, 0);
        glRotatef(angle, 0 ,0 , 1);
        glTranslatef(0.15, 0, 0);
        myArm();  ///右上手臂
        glPushMatrix();
            glTranslatef(0.15, 0, 0);
            glRotatef(angle, 0 ,0 , 1);
            glTranslatef(0.15, 0, 0);
            myArm();  ///右下手臂
        glPopMatrix();
    glPopMatrix();

    glPushMatrix(); ///左半邊
        glTranslatef(-0.3, 0.3, 0);
        glRotatef(-angle, 0 ,0 , 1);
        glTranslatef(-0.15, 0, 0);
        myArm();  ///左上手臂
        glPushMatrix();
            glTranslatef(-0.15, 0, 0);
            glRotatef(-angle, 0 ,0 , 1);
            glTranslatef(-0.15, 0, 0);
            myArm();  ///左下手臂
        glPopMatrix();
    glPopMatrix();

    glutSwapBuffers();
}
void motion(int x,int y){
    angle = x;
    glutPostRedisplay();
}
int main(int argc, char*argv[]){
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
    glutCreateWindow("week10-8");
    glutDisplayFunc(display);
    glutMotionFunc(motion);
    glutIdleFunc(display);
    glutMainLoop();
}
9. GLUT程式9：播放音樂
承接上一個程式
a. 在#include 的地方，加入 <mmsystem.h>
b. 在main()的第一行，加入PlaySound("檔案目錄",NULL,SND_ASYNC);
#include <GL/glut.h>
#include <mmsystem.h> ///加上多媒體聲音系統
void myBody(){
    glPushMatrix();
        glColor3f(1,0,0); ///red
        glutWireCube(0.6);
    glPopMatrix();
}
void myArm(){
    glPushMatrix();
        glColor3f(0,1,0); ///green
        glScalef(1,0.4,0.4);
        glutWireCube(0.3);
    glPopMatrix();
}
float angle=0;
void display(){
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    myBody();

    glPushMatrix(); ///右半邊
        glTranslatef(0.3, 0.3, 0);
        glRotatef(angle, 0 ,0 , 1);
        glTranslatef(0.15, 0, 0);
        myArm();  ///右上手臂
        glPushMatrix();
            glTranslatef(0.15, 0, 0);
            glRotatef(angle, 0 ,0 , 1);
            glTranslatef(0.15, 0, 0);
            myArm();  ///右下手臂
        glPopMatrix();
    glPopMatrix();

    glPushMatrix(); ///左半邊
        glTranslatef(-0.3, 0.3, 0);
        glRotatef(-angle, 0 ,0 , 1);
        glTranslatef(-0.15, 0, 0);
        myArm();  ///左上手臂
        glPushMatrix();
            glTranslatef(-0.15, 0, 0);
            glRotatef(-angle, 0 ,0 , 1);
            glTranslatef(-0.15, 0, 0);
            myArm();  ///左下手臂
        glPopMatrix();
    glPopMatrix();

glutSwapBuffers();
}
void motion(int x,int y){
    angle = x;
    glutPostRedisplay();
}
int main(int argc, char*argv[]){
    PlaySound("C:/horse.wav",NULL,SND_ASYNC);
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
    glutCreateWindow("week10-9");
    glutDisplayFunc(display);
    glutMotionFunc(motion);
    glutIdleFunc(display);
    glutMainLoop();
}

I'm burning, but my heart is on the wire.
Don't need a thousand guards to lock me in.
Doesn't take a fool to start a fire.
Solitary spark and wars begin.

You say it's only words
And that it will get easier with time.
Nothing's only words
That's how hearts get hurt.
----Hurts , MIKA

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week10

 ##weekk10-1_glutWireCube_myBody_myArm

貼上上週的week09-3_glutwireTeapot_glutwirecibe_glutwireSphere的程式碼



把void display()改一下，呼叫myBody() myArm()


##week10-2_rotate_myArm

貼上10-1的程式碼

外面加上 float angle=0;

在main()加上glutIdleFunc(display)

在display()裡myArn()的前後，要加上glPushMatrix();glPopMatrix();和glRotatef(angle++,0,0,1);



##week10-3_rotate_Translate_myArm

加上glTranslated(0.15,0,0);


中間綠色的長方形會自己轉


Translate_rotate_Translate_myArm


##week10-5_TRT_TRT_myArm

貼上10-4的程式碼

把整套glPushMatrix();

        glTranslated(0.15,0.15,0);

        glRotatef(angle++,0,0,1);

        glTranslated(0.15,0,0);

        myArm();

    glPopMatrix();

插在中間


就會連在一起轉(像軀幹一樣)

##week10-6_left_right_myArm

貼上10-5的程式碼

##week10-7_mouse_motion_angle_myArm

要用滑鼠操控，所以angle++都改成angle

在main()加glutMotionFunc(motion);

加一個void motion(int x,int y)函式



##week10-8_mouse_motion_angle_2_myArm


貼上10-7的程式碼

把display()裡面左邊的angle改成-angle



##week10-9_PlaySound


貼上10-8的程式碼

加上#include <mmsystem.h>

在main()的第一行，加入PlaySound("你的wav檔.wav",NULL,SND_ASYNC);

把老師給的horse.wav放在C槽

執行時就會多了聲音





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week10

 第一步:建立專案

安裝freegut, 把lib\libferrglut.a複製成libglut32.a

再把上週的程式碼貼上



改程式碼


用myBody myArm


#include <GL/glut.h>

void myBody(){

    glPushMatrix();

        glColor3f(1, 0, 0);///紅色的

        glutWireCube(0.6);

glPopMatrix();

}

void myArm()

{

    glPushMatrix();

        glColor3f(0, 1, 0);///綠色的

        glScalef(1, 0.4,0.4);

        glutWireCube(0.3);

     glPopMatrix();

}

float angle = 0;

void display()

{

glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);


myBody();

    glPushMatrix();

        glRotatef(angle++, 0, 0, 1);

        myArm();

    glPopMatrix();


    glutSwapBuffers();

}

int main(int argc, char*argv[])

{

glutInit(&argc, argv);

glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

glutCreateWindow("week10");

glutDisplayFunc(display);

glutIdleFunc(display);

glutMainLoop();

}


myArm旋轉

加上這行: glTranslatef(0.15, 0, 0);


#include <GL/glut.h>
void myBody()
{
    glPushMatrix();
        glColor3f(1, 0, 0);///紅色的
        glutWireCube(0.6);
glPopMatrix();
}
void myArm()
{
    glPushMatrix();
        glColor3f(0, 1, 0);///綠色的
        glScalef(1, 0.4,0.4);
        glutWireCube(0.3);
     glPopMatrix();
}
float angle=0;
void display()
{
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    myBody();
    glPushMatrix();
        glTranslatef(0.3,0.3,0);
        glRotatef(angle++,0,0,1);
        glTranslatef(0.15,0,0);
        myArm();
        glPushMatrix();
            glTranslatef(0.15,0,0);
            glRotatef(angle++,0,0,1);
            glTranslatef(0.15,0,0);
            myArm();
        glPopMatrix();
    glPopMatrix();
    glutSwapBuffers();

}
int main(int argc, char*argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week10");
glutDisplayFunc(display);
glutIdleFunc(display);
glutMainLoop();
}


手臂旋轉

#include <GL/glut.h>
void myBody()
{
    glPushMatrix();
        glColor3f(1, 0, 0);///紅色的
        glutWireCube(0.6);
glPopMatrix();
}
void myArm()
{
    glPushMatrix();
        glColor3f(0, 1, 0);///綠色的
        glScalef(1, 0.4,0.4);
        glutWireCube(0.3);
     glPopMatrix();
}
float angle=0;
void display()
{
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    myBody();

    glPushMatrix();
        glTranslatef(0.3,0.3,0);
        glRotatef(angle++,0,0,1);
        glTranslatef(0.15,0,0);
        myArm();
        glPushMatrix();
            glTranslatef(0.15,0,0);
            glRotatef(angle++,0,0,1);
            glTranslatef(0.15,0,0);
            myArm();
        glPopMatrix();
    glPopMatrix();

     glPushMatrix();
        glTranslatef(-0.3,0.3,0);
        glRotatef(angle++,0,0,1);
        glTranslatef(-0.15,0,0);
        myArm();
        glPushMatrix();
            glTranslatef(-0.15,0,0);
            glRotatef(angle++,0,0,1);
            glTranslatef(-0.15,0,0);
            myArm();
        glPopMatrix();
    glPopMatrix();

    glutSwapBuffers();

}
int main(int argc, char*argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week10");
glutDisplayFunc(display);
glutIdleFunc(display);
glutMainLoop();
}


用滑鼠操控
#include <GL/glut.h>
void myBody()
{
    glPushMatrix();
        glColor3f(1, 0, 0);///紅色的
        glutWireCube(0.6);
glPopMatrix();
}
void myArm()
{
    glPushMatrix();
        glColor3f(0, 1, 0);///綠色的
        glScalef(1, 0.4,0.4);
        glutWireCube(0.3);
     glPopMatrix();
}
float angle=0;
void display()
{
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    myBody();

    glPushMatrix();
        glTranslatef(0.3,0.3,0);
        glRotatef(angle,0,0,1);
        glTranslatef(0.15,0,0);
        myArm();
        glPushMatrix();
            glTranslatef(0.15,0,0);
            glRotatef(angle,0,0,1);
            glTranslatef(0.15,0,0);
            myArm();
        glPopMatrix();
    glPopMatrix();

     glPushMatrix();
        glTranslatef(-0.3,0.3,0);
        glRotatef(angle,0,0,1);
        glTranslatef(-0.15,0,0);
        myArm();
        glPushMatrix();
            glTranslatef(-0.15,0,0);
            glRotatef(angle,0,0,1);
            glTranslatef(-0.15,0,0);
            myArm();
        glPopMatrix();
    glPopMatrix();

    glutSwapBuffers();

}
void motion(int x, int y){
    angle = x;
    glutPostRedisplay();
}
int main(int argc, char*argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week10");

glutDisplayFunc(display);
glutMotionFunc(motion);
glutIdleFunc(display);

glutMainLoop();
}

反方向用滑鼠操控
#include <GL/glut.h>
void myBody()
{
    glPushMatrix();
        glColor3f(1, 0, 0);///紅色的
        glutWireCube(0.6);
glPopMatrix();
}
void myArm()
{
    glPushMatrix();
        glColor3f(0, 1, 0);///綠色的
        glScalef(1, 0.4,0.4);
        glutWireCube(0.3);
     glPopMatrix();
}
float angle=0;
void display()
{
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    myBody();

    glPushMatrix();
        glTranslatef(0.3,0.3,0);
        glRotatef(-angle,0,0,1);
        glTranslatef(0.15,0,0);
        myArm();
        glPushMatrix();
            glTranslatef(0.15,0,0);
            glRotatef(-angle,0,0,1);
            glTranslatef(0.15,0,0);
            myArm();
        glPopMatrix();
    glPopMatrix();

     glPushMatrix();
        glTranslatef(-0.3,0.3,0);
        glRotatef(-angle,0,0,1);
        glTranslatef(-0.15,0,0);
        myArm();
        glPushMatrix();
            glTranslatef(-0.15,0,0);
            glRotatef(-angle,0,0,1);
            glTranslatef(-0.15,0,0);
            myArm();
        glPopMatrix();
    glPopMatrix();

    glutSwapBuffers();

}
void motion(int x, int y){
    angle = x;
    glutPostRedisplay();
}
int main(int argc, char*argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week10");

glutDisplayFunc(display);
glutMotionFunc(motion);
glutIdleFunc(display);

glutMainLoop();
}


撥放音樂
開頭新增:#include <mmsystem.h>          PlaySound("C:/horse.wav",NULL, SND_ASYNC);

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