int main()
{
osg::ref_ptr<osg::Group> root = new osg::Group();
osg::ref_ptr<osg::Geode> cube = makeHead();
root->addChild(cube.get());
c2 = new osg::PositionAttitudeTransform();
root->addChild(c2);
c2->addChild(cube.get());
osg::Vec3 c2pos = osg::Vec3(100,0,100);
c2->setPosition(c2pos);
root->getOrCreateStateSet()->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
if(root.valid())
{
osgViewer::Viewer viewer;
viewer.setSceneData(root);
viewer.setCameraManipulator(new osgGA::TrackballManipulator());
viewer.realize();
while(!viewer.done())
{
viewer.frame();
update(.005);
}
}
else
{
std::cout << "Invalid Graph!" << std::endl;
}
}
int main(int argc, const char * argv[]) {
// insert code here...
//std::cout << "Hello, World!\n";
char *content = "This is content.";
char *buf = (char*)malloc(16 + strlen(content));
char *body = buf + 16;
struct head h = makeHead(1, 2, 3, 0, 11, 1);
memcpy(buf, &h, sizeof(h));
memcpy(body, content, strlen(content));
//parse
char *buf2 = (char*)malloc(16 + strlen(content));
char *body2 = buf2 + 16;
memcpy(buf2, buf, 16 + strlen(content));
struct head *h2 = (struct head*)buf2;
printf("%lu\n",sizeof(struct head));
printf("%s\n",body2);
return 0;
}
void GrassLamp::getModel(){
glPushMatrix();
glScalef(1.0f,0.7f,1.0f);
makePole();
makeHead();
glPopMatrix();
}
int main()
{
osg::ref_ptr<osg::Group> root = new osg::Group();
osg::ref_ptr<osg::Geode> cube = makeHead();
root->addChild(cube.get());
osg::PositionAttitudeTransform* c2 = new osg::PositionAttitudeTransform();
root->addChild(c2);
c2->addChild(cube.get());
osg::Vec3 c2pos = osg::Vec3(20,0,0);
c2->setPosition(c2pos);
osg::Texture2D* texture = new osg::Texture2D();
texture->setDataVariance(osg::Object::DYNAMIC);
osg::Image* img = osgDB::readImageFile("assets/pumice.jpg");
if(!img)
{
std::cout << "No such image file." << std::endl;
return -1;
}
texture->setImage(img);
osg::StateSet* texState = new osg::StateSet();
texState->setTextureAttributeAndModes(0, texture, osg::StateAttribute::ON);
cube->setStateSet(texState);
root->getOrCreateStateSet()->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
if(root.valid())
{
osgViewer::Viewer viewer;
viewer.setSceneData(root);
viewer.setCameraManipulator(new osgGA::TrackballManipulator());
viewer.realize();
while(!viewer.done())
{
viewer.frame();
}
}
else
{
std::cout << "Invalid Graph!" << std::endl;
}
}
/*int wav::getHead(FILE *fp )
{
long file_pos = ftell(fp);
//Read RIFF_HEADER
fread(&pcmHEADER, sizeof(HEADER), 1, fp);
if( memcmp(pcmHEADER.fccID, "RIFF", 4) != 0 ||
memcmp(pcmHEADER.fccType, "WAVE", 4) != 0 )
{
return(WAV_FLAG_HEADER_ERROR);
}
file_pos = ftell(fp);
//Read pcmFMT
fread(&pcmFMT, sizeof(FMT), 1, fp);
if( memcmp(pcmFMT.fccID, "fmt ", 4) !=0
//|| pcmFMT.dwSize != 16
//|| pcmFMT.wFormatTag != 0x1
//|| pcmFMT.wChannels != 0x1
//|| pcmFMT.dwSamplesPerSec != 16000
//|| pcmFMT.uiBitsPerSample != 16
)
{
return(WAV_FLAG_FMT_ERROR);
}
file_pos = ftell(fp);
if(pcmFMT.wFormatTag == WAVE_FORMAT_MU_LAW
|| pcmFMT.wFormatTag == WAVE_FORMAT_A_LAW)
{
//read FACTdata
file_pos+=2;
fseek(fp, file_pos, SEEK_SET);
fread(&pcmFACT, sizeof(FACT), 1, fp);
if( memcmp(pcmFACT.szFactID, "fact", 4) != 0 )
{
return(WAV_FLAG_FACT_ERROR);
}
//has_fact_block =1;
fread(&fact_block_buffer,pcmFACT.dwFactSize, 1, fp);
}
file_pos = ftell(fp);
//read PCMdata
fread(&pcmDATA, sizeof(DATA), 1, fp);
if (memcmp(pcmDATA.fccID, "data", 4) != 0)
{
return(WAV_FLAG_DATA_ERROR);
}
return 0;
}
int wav::getHead(const char * in ,unsigned short &wFormatTag,unsigned long &dwSamplesPerSec,
unsigned short &uiBitsPerSample,unsigned short &wChannels,
unsigned short &wBlockAlign)
{
int nRet = 0 ;
FILE *fp = fopen(in,"rb");
if(fp==NULL)
{
return WAV_IN_FILE_ERROR;
}
nRet = getHead(fp);
if(nRet != 0)
{
fclose(fp);
return nRet;
}
dwSamplesPerSec = pcmFMT.dwSamplesPerSec;
uiBitsPerSample = pcmFMT.uiBitsPerSample;
wChannels = pcmFMT.wChannels;
wFormatTag = pcmFMT.wFormatTag;
wBlockAlign = pcmFMT.wBlockAlign;
fclose(fp);
return 0;
}
*/
int wav::pcm2wav(const char * in , const char * out)
{
unsigned short m_pcmData; //读入.pcm和写入文件.wav数据变量
FILE *fp,*fpCpy;
int nRet = 0;
if((fp=fopen( in , "rb")) == NULL) //读取文件
{
return PCM_IN_FILE_ERROR;
}
if((fpCpy=fopen( out , "wb")) == NULL) //为转换建立一个新文件
{
fclose(fp);
return WAV_OUT_FILE_ERROR;
}
//以下是创建wav头的HEADER;但.dwsize未定，因为不知道Data的长度。
// strcpy(pcmHEADER.fccID, "RIFF");
// strcpy(pcmHEADER.fccType, "WAVE");
//以上是创建wav头的HEADER;
//以下是创建wav头的FMT;
// pcmFMT.dwSamplesPerSec=16000;
// pcmFMT.dwAvgBytesPerSec=pcmFMT.dwSamplesPerSec*sizeof(m_pcmData);
// pcmFMT.uiBitsPerSample=16;
// strcpy(pcmFMT.fccID, "fmt ");
// pcmFMT.dwSize=16;
// pcmFMT.wBlockAlign=2;
// pcmFMT.wChannels=1;
// pcmFMT.wFormatTag=WAVE_FORMAT_PCM;
//以上是创建wav头的FMT;
// strcpy(pcmDATA.fccID, "data");
//以上是创建wav头的DATA;
// pcmDATA.dwSize=0; //给pcmDATA.dwsize 0以便于下面给它赋值
nRet = makeHead(WAVE_FORMAT_PCM,16000,16,1,2);
if(nRet!=0)
{
fclose(fp);
fclose(fpCpy);
return nRet;
}
fseek(fpCpy,sizeof(HEADER),1); //跳过HEADER的长度，以便下面继续写入wav文件的数据;
fseek(fpCpy,sizeof(FMT),1); //跳过FMT,因为FMT已经写入
fseek(fpCpy,sizeof(DATA),1); //跳过DATA的长度，以便以后再写入wav头的DATA;
pcmDATA.dwSize=0;
while(!feof(fp)) //在.pcm文件结束前将他的数据转化并赋给.wav;
{
fread(&m_pcmData,sizeof(unsigned short),1,fp); //从.pcm中读入数据
pcmDATA.dwSize+=2; //计算数据的长度；每读入一个数据，长度就加一；
fwrite(&m_pcmData,sizeof(unsigned short),1,fpCpy); //将数据写入.wav文件;
}
pcmHEADER.dwSize=44+pcmDATA.dwSize; //根据pcmDATA.dwsize得出pcmHEADER.dwsize的值
rewind(fpCpy); //将fpCpy变为.wav的头，以便于写入HEADER和DATA;
fwrite(&pcmHEADER,sizeof(HEADER),1,fpCpy); //写入HEADER
fwrite(&pcmFMT,sizeof(FMT),1,fpCpy); //将FMT写入.wav文件;
fwrite(&pcmDATA,sizeof(DATA),1,fpCpy); //写入DATA;
fclose(fp); //关闭文件
fclose(fpCpy); //关闭文件
return WAV_SUCCESS;
}
