c語言實現多線程動畫程序示例

2020-01-26 15:32:36

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來源：轉載

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該程序是利用opengl圖形庫與fmod音頻庫寫的一個簡單3d動畫程序。該程序在vs下運行良好，若缺少相關dll文件請確認已配制fmod與opengl庫。

mixmodel.cpp

復制代碼代碼如下:

// mixmodel.cpp : 定義控制臺應用程序的入口點。
//

#include "stdafx.h"

//定義一個線程
DWORD WINAPI SoundProc(
LPVOID LPVIDEOPARAMETERS);
//光照變量
GLfloat whiteLight[] = { 0.2f, 0.2f, 0.2f, 1.0f };
GLfloat sourceLight[] = { 0.8f, 0.8f, 0.8f, 1.0f };
GLfloat lightPos[] = { 0.0f, 0.0f, 0.0f, 1.0f };
//貼圖變量
GLuint toTextures[4];
char* szFiles[4] = {"bcb.bmp","sun.bmp","earth.bmp","moon.bmp"};

//聲音引擎查錯函數
void ERRCHECK(FMOD_RESULT result)
{
if(result != FMOD_OK)
{
printf("FMOD error!(%d) %s/n",result,FMOD_ErrorString(result));
//exit(-1);
}
}

void Initial()
{

AUX_RGBImageRec* Image[4];
int i;
glEnable(GL_DEPTH_TEST); // 啟用深度測試
glFrontFace(GL_CCW); // 指定逆時針繞法表示多邊形正面

glEnable(GL_CULL_FACE); // Do not calculate inside of jet

// Enable lighting
glEnable(GL_LIGHTING);

// Setup and enable light 0
glLightModelfv(GL_LIGHT_MODEL_AMBIENT,whiteLight);
glLightfv(GL_LIGHT0,GL_DIFFUSE,sourceLight);
glLightfv(GL_LIGHT0,GL_POSITION,lightPos);
glEnable(GL_LIGHT0);

// Enable color tracking
glEnable(GL_COLOR_MATERIAL);

// Set Material properties to follow glColor values
glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f ); //背景為黑色

glGenTextures(4, toTextures);
for(i=0;i<4;i++)
{
// Load environment map
    glBindTexture(GL_TEXTURE_2D, toTextures[i]);
Image[i] = auxDIBImageLoadA(szFiles[i]);
glTexImage2D(GL_TEXTURE_2D, 0, 3, Image[i]->sizeX, Image[i]->sizeY, 0, GL_RGB , GL_UNSIGNED_BYTE, Image[i]->data);

    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
}

    glEnable(GL_TEXTURE_2D);
glEnable(GL_TEXTURE_GEN_S);
    glEnable(GL_TEXTURE_GEN_T);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
    glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);

}

void drawsphere()
{
static float fElect1 = 0.0f;
glTranslatef(0.0f, 0.0f, -250.0f);
glBindTexture(GL_TEXTURE_2D,toTextures[1]);
glDisable(GL_LIGHTING);
// 繪制紅色的太陽模型
//glShadeModel(GL_SMOOTH);
glColor3f(1.0f, 0.0f, 0.0f);
glutSolidSphere(12.0f, 100, 100);
glEnable(GL_LIGHTING);
// 當前繪制顏色變為藍色
//glShadeModel(GL_FLAT);
glBindTexture(GL_TEXTURE_2D,toTextures[2]);
glColor3f(0.0f, 0.0f, 1.0f);

//繪制地球
//保存當前的模型視圖矩陣
//glPushMatrix();
glLightfv(GL_LIGHT0,GL_POSITION,lightPos);
glRotatef(fElect1, 0.0f, 1.0f, 0.0f);//繞y軸旋轉一定的角度
glTranslatef(90.0f, 0.0f, 0.0f);//平移一段距離
glutSolidSphere(9.0f, 100, 100);

glBindTexture(GL_TEXTURE_2D,toTextures[3]);
glColor3f(1.0f,1.0f,0.0f);
glRotatef(fElect1*4, 0.0f, 1.0f, 0.0f);
glTranslatef(40.0f, 0.0f, 0.0f);
glutSolidSphere(5.0f, 100, 100);
// 恢復矩陣
glPopMatrix();
// 增加旋轉步長
fElect1 += 5.0f;
if(fElect1 > 360.0f) fElect1 = 5.0f;
}

void ChangeSize(int w, int h)
{
if(h == 0) h = 1;

// 設置視區尺寸
glViewport(0, 0, w, h);

glMatrixMode(GL_PROJECTION);
glLoadIdentity();

// 設置修剪空間
GLfloat fAspect;
fAspect = (float)w/(float)h;
gluPerspective(45.0, fAspect, 1.0, 500.0);
/*
     if (w <= h)
   glOrtho (-nRange, nRange, nRange*h/w, -nRange*h/w, -nRange*2.0f, nRange*2.0f);
  else
   glOrtho (-nRange*w/h, nRange*w/h, nRange, -nRange, -nRange*2.0f, nRange*2.0f);
*/
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}

void RenderScene(void)
{
// 旋轉的角度

glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

// 重置模型視圖矩陣
//glMatrixMode(GL_MODELVIEW);
glMatrixMode(GL_PROJECTION);

    glPushMatrix();
    glLoadIdentity();
    gluOrtho2D(0.0f, 1.0f, 0.0f, 1.0f);
    glMatrixMode(GL_MODELVIEW);
glBindTexture(GL_TEXTURE_2D, toTextures[0]);
glDisable(GL_TEXTURE_GEN_S);
    glDisable(GL_TEXTURE_GEN_T);
glDepthMask(GL_FALSE);
glBegin(GL_QUADS);
        glTexCoord2f(0.0f, 0.0f);
        glVertex2f(0.0f, 0.0f);

        glTexCoord2f(1.0f, 0.0f);
        glVertex2f(1.0f, 0.0f);

        glTexCoord2f(1.0f, 1.0f);
        glVertex2f(1.0f, 1.0f);

        glTexCoord2f(0.0f, 1.0f);
        glVertex2f(0.0f, 1.0f);
    glEnd();
glMatrixMode(GL_PROJECTION);
    glPopMatrix();
//glLoadIdentity();
//
    glMatrixMode(GL_MODELVIEW);
glEnable(GL_TEXTURE_GEN_S);
    glEnable(GL_TEXTURE_GEN_T);
    glDepthMask(GL_TRUE);
//glLoadIdentity();
glPushMatrix();
//將圖形沿z軸負向移動
drawsphere();

glutSwapBuffers();
}

void TimerFunc(int value)
{
glutPostRedisplay();
glutTimerFunc(100, TimerFunc, 1);
}

//背景音樂的調度函數
void bcsound()
{
FMOD_RESULT result;
FMOD::System *system;
FMOD::Channel *channel;
result = FMOD::System_Create(&system); // 創造FMOD的系統內核對象
ERRCHECK(result);

result = system->setSpeakerMode(FMOD_SPEAKERMODE_5POINT1); // 設置5.1聲道模式
ERRCHECK(result);

result = system->setSoftwareChannels(100); // 調整軟件混合
ERRCHECK(result);

result = system->setHardwareChannels(32); // 調整硬件混合
ERRCHECK(result);

result = system->init(200, FMOD_INIT_NORMAL, 0); // 初始化FMOD，音量大小為200
ERRCHECK(result);

FMOD::Sound *sound;
result = system->createSound("P115.ogg", FMOD_DEFAULT, 0, &sound); //載入磁盤文件到內存，（全部載入后返回）
ERRCHECK(result);

unsigned int lenms;
result = sound->getLength(&lenms,FMOD_TIMEUNIT_MS);
ERRCHECK(result);

result = system->playSound(FMOD_CHANNEL_FREE, sound, false, &channel);//播放
ERRCHECK(result);
Sleep(lenms);

result = system->createSound("End Theme.mp3", FMOD_DEFAULT, 0, &sound); //載入磁盤文件到內存，（全部載入后返回）
ERRCHECK(result);
result = sound->getLength(&lenms,FMOD_TIMEUNIT_MS);
ERRCHECK(result);

result = system->playSound(FMOD_CHANNEL_FREE, sound, false, &channel);//播放
ERRCHECK(result);
Sleep(lenms);

system->release();//釋放
}

//動畫功能函數
void graph(int argc, char* argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
glutInitWindowSize(600,350);
glutCreateWindow("日月地模型示例");
glutReshapeFunc(ChangeSize);
glutDisplayFunc(RenderScene);
glutTimerFunc(500, TimerFunc, 1);
Initial();
glutMainLoop();

}

int main(int argc, char* argv[])
{
HANDLE hThread1;
hThread1 = CreateThread(NULL,0,SoundProc,NULL,0,NULL);
CloseHandle(hThread1);

graph(argc,argv);
Sleep(3000);

return 0;
}

DWORD WINAPI SoundProc(
LPVOID LPVIDEOPARAMETERS)
{
bcsound();
return 0;
}