void FPSCamera::move(){
if (normalKeys['w']){
fTriple t = fTriple(cameraFront);
t.vector_scale(cameraSpeed);
cameraPosition.incr(t);
}
if (normalKeys['s']){
fTriple t = fTriple(cameraFront);
t.vector_scale(-cameraSpeed);
cameraPosition.incr(t);
}
if (normalKeys['a']){
fTriple t = fTriple(cameraFront);
t.vector_cross(cameraTilt);
t.vector_scale(-cameraSpeed);
t.vector_normalize();
cameraPosition.incr(t);
}
if (normalKeys['d']){
fTriple t = fTriple(cameraFront);
t.vector_cross(cameraTilt);
t.vector_scale(cameraSpeed);
t.vector_normalize();
cameraPosition.incr(t);
}
}
FPSCamera::FPSCamera() {
std::fill_n(specialKeys, 128, false);
std::fill_n(normalKeys, 256, false);
cameraSpeed = 2.5;
cameraPosition = fTriple(3.0f, 0.0f, 3.0f);
cameraFront = fTriple(0.0f, 0.0f, -1.0f);
cameraTilt = fTriple(0.0f, 1.0f, 0.0f);
}
// ============================================== //
// Load a mesh material from a file
t_error ResourceManager::LoadMeshMaterial (const char* filename, Mesh* mesh) {
// load the mesh material file
ifstream fileHandle( filename );
if ( !fileHandle.is_open() ) {
Log( str( format( "Error opening material file (%1%)" ) % filename ), LOG_ERROR );
throw BadFileException(filename);
}
// parse mtl file
string buffer;
while ( fileHandle.good() ) {
getline( fileHandle, buffer );
if ( buffer.empty() ) continue;
// setup tokenizer
CharSeparator tokenSeparator( " \t" );
CharTokenizer tokens( buffer, tokenSeparator );
CharTokenizer::iterator token = tokens.begin();
CharTokenizer::iterator lastToken = tokens.end();
// Log ( str( format( "buffer: %1%" ) % (buffer) ) );
// Log ( str( format( "token: %1%" ) % (*token) ) );
if ( (*token)[0] == '#' ) { continue; } // comment
else if ( (*token) == "Ka" ) { // ambient colour
float r = tokenToFloat(++token);
float g = tokenToFloat(++token);
float b = tokenToFloat(++token);
Log( str( format( "Ka: %1%,%2%,%3%" ) % r % g % b ), LOG_DEBUG );
mesh->color_ambient = fTriple( r, g, b );
} else if ( (*token) == "Kd" ) { // diffuse colour
float r = tokenToFloat(++token);
float g = tokenToFloat(++token);
float b = tokenToFloat(++token);
Log( str( format( "Kd: %1%,%2%,%3%" ) % r % g % b ), LOG_DEBUG );
mesh->color_diffuse = fTriple( r, g, b );
} else if ( (*token) == "Ks" ) { // specular colour
float r = tokenToFloat(++token);
float g = tokenToFloat(++token);
float b = tokenToFloat(++token);
Log( str( format( "Ks: %1%,%2%,%3%" ) % r % g % b ), LOG_DEBUG );
mesh->color_specular = fTriple( r, g, b );
} else if ( (*token) == "map_Kd" ) { // texture
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
// TODO: load texture in resource mgr; use a lookup table to find the gl id and point to that
string texFilename = *(++token);
mesh->loadTexture( texFilename.c_str(), MeshRenderData::MESH_RENDER_TEXTURE );
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
} else if ( (*token) == "bump" ) { // bumpmap
string texFilename = *(++token);
mesh->loadTexture( texFilename.c_str(), MeshRenderData::MESH_RENDER_TEXBUMP );
} else {
Log ( str( format( "Unknown line: %1%" ) % buffer ) );
}
}
fileHandle.close();
return NO_ERROR;
}
fTriple FPSCamera::focus(){
float X = cameraPosition.x + cameraFront.x;
float Y = cameraPosition.y + cameraFront.y;
float Z = cameraPosition.z + cameraFront.z;
return fTriple(X, Y, Z);
}
