void Heightmap::loadRAW(int rows, int colums, string filename, float heightScale, float heightOffset)
{
// Set values.
mHeightScale = heightScale;
mHeightOffset = heightOffset;
mRows = rows;
mColums = colums;
// Resize the vector.
mHeightmap.resize(rows*colums);
// A height for each vertex
std::vector<unsigned char> in(rows*colums);
// Open the file.
std::ifstream inFile;
inFile.open(filename.c_str(), ios_base::binary);
// Read the RAW bytes.
inFile.read((char*)&in[0], (streamsize)in.size());
for(int i = 0; i < mHeightmap.size(); i++)
mHeightmap[i] = (float)in[i] * mHeightScale + mHeightOffset;
// Done with file.
inFile.close();
filter3x3();
}
//--------------------------------------------------------------
void testApp::update(){
ofBackground(100,100,100);
vidGrabber.grabFrame();
if (vidGrabber.isFrameNew()){
unsigned char * pixels = vidGrabber.getPixels();
get2DVector(vector2D, pixels);
for(int i=0;i<2;i++) filter3x3(vector2D, LP);
filter3x3(vector2D, HP);
tHold(vector2D);
for(int i=0;i<3;i++) shrink(vector2D);
for(int i=0;i<4;i++) expand(vector2D);
for(int i=0;i<3;i++) shrink(vector2D);
getRGBVector(grayPixels, vector2D);
}
videoTexture.loadData(grayPixels, camWidth,camHeight, GL_RGB);
}
void Heightmap::addHeight(int i, int j, float height)
{
mHeightmap[i*mColums + j] += height;
filter3x3();
}
