bool soso_object::render() {
// Texturing
//glEnable(GL_TEXTURE_2D);
glActiveTexture(GL_TEXTURE0);
baseMap->bind();
glActiveTexture(GL_TEXTURE1);
if (useDetail) {
detailMap->bind();
}
glActiveTexture(GL_TEXTURE2);
if (useMulti) {
multipurposeMap->bind();
}
glActiveTexture(GL_TEXTURE3);
if (useCube) {
cubeMap->bind();
}
// Blending
//glEnable(GL_BLEND);
//glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// Scales
glUniform4f(scaleId, uscale, vscale, detailScale, detailScaleV);
glUniform3f(mapsId , b2f(useMulti), b2f(useDetail), useCube ? 0.5:0.0);
glUniform2f(reflectionScaleId, reflectionPerpendicular, reflectionParallel);
return true;
}
//compute the central point of each filterbank on mel-scale
//for M filterbanks, the central point shoule be extended to M+2
int* MelCentralPoint(int Fl, int Fh, int M,
int Fs, int N)
{
int m;
double F;
int *CentralPoint=new int[M+2];
for(m=0 ; m<=M+1 ; m++)
{
//central frequency 中心频率，高-低加低，乘以m数/点数
F=b2f(f2b(Fl)+(f2b(Fh)-f2b(Fl))*m/(M+1));
//central point
CentralPoint[m]=f2n(F, Fs, N);
}
return CentralPoint;
}
void printNumDetail(const char *binResult)
{
char *sign = binResult[0] == '0' ? "+" : "-";
char exponent[9];
char mantisa[24];
memset(exponent, '\0', sizeof(exponent));
memset(mantisa, '\0', sizeof(mantisa));
strncpy(exponent, binResult + 1, 8);
strncpy(mantisa, binResult + 9, 23);
int expResult = b2dec(exponent);
float mantisaResult = b2f(mantisa);
printf(
"sign: %s\nexponent: %s --> %d [%d - 127 = %d]\nmantisa: %s --> %f\n",
sign, exponent, (expResult - 127), expResult, expResult - 127,
mantisa, mantisaResult);
float floatNum = pow2i(expResult - 127) * mantisaResult;
floatNum = strcmp(sign, "+") == 0 ? floatNum : floatNum * (-1.0);
printf("Float Format: %s 2^%d x %f = %d * %f = %f\n", sign, expResult - 127,
mantisaResult, pow2i(expResult - 127), mantisaResult, floatNum);
}
