電腦圖學紀錄 鍵盤聲音滑鼠

 GLUT專案

week11-1_Keybord

基礎10行下去改

#include <GL/glut.h>

void display()
{
    glutSolidTeapot(0.3);
    glutSwapBuffers();
}

void keyboard(unsigned char key, int x,int y)
{
    if(key==27)exit(594088);

}///Esc就會結束

int main(int argc, char**argv)
{
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
    glutCreateWindow("week11");

    glutDisplayFunc(display);
    glutKeyboardFunc(keyboard);

    glutMainLoop();
}

今天一直下雨 不開心

week11-2_Keybord_Wav_PlaySound

#include<windows.h>

#include <GL/glut.h>

void display()

{

    glutSolidTeapot(0.3);

    glutSwapBuffers();

}

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

{///兩個斜線(\\)=一個(\)

    if(key=='1')PlaySound("C:\\Users\\Administrator\\Desktop\\do_re_mi\\do.wav",NULL, SND_ASYNC);///先用絕對路徑

    if(key=='2')PlaySound("C:\\Users\\Administrator\\Desktop\\do_re_mi\\re.wav",NULL, SND_ASYNC);

    if(key=='3')PlaySound("C:\\Users\\Administrator\\Desktop\\do_re_mi\\mi.wav",NULL, SND_ASYNC);

}

int main(int argc, char**argv)

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);

    glutCreateWindow("week11");

    glutDisplayFunc(display);

    glutKeyboardFunc(keyboard);

    glutMainLoop();

}

按數字鍵盤123會發出聲音

week11-3_PlaySound

一開始直接打會沒辦法執行 因為找不到 PlaySoundA

PlaySoundA() 其實在 winmm 裡面 所以要自己加 lib 咒語

OpenCV要3個咒語, GLUT要5個咒語, PlaySound要1個咒語

開啟settings--compiler

設定Linker setting

add winmm

 #include <windows.h>

 int main()

 {

                                            ///要等待同步 SND_ASYNC,不然會瞬間結束

    PlaySound("do_re_mi\\do.wav",NULL, SND_ASYNC);///相對路徑

    PlaySound("do_re_mi\\re.wav",NULL, SND_ASYNC);

    PlaySound("do_re_mi\\mi.wav",NULL, SND_ASYNC);

    ///PlaySound("C:\\Users\\Administrator\\Desktop\\do_re_mi\\mi.wav",NULL, SND_ASYNC);絕對路徑

 }

絕對路徑冗長但準確率高

相對路徑簡短但須設定好

播完後會回傳0

第11行跟21行的路徑改成.

成功存檔會是藍色

將老師傳的CMP3_MCI.h複製至week11-4資料夾

#include "CMP3_MCI.h"///要使用另一個外掛

CMP3_MCI myMP3;///宣告一個變數

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

{

    char filename []="C:/Users/Administrator/Desktop/do_re_mi/suzumi.mp3";

    myMP3.Load(filename);///讀入mp3

    myMP3.Play();///播放

會播放歌曲