Dart Topo3PrimalRender<PFP>::pickColor(unsigned int x, unsigned int y)
{
//more easy picking for
unsigned int dw = m_topo_dart_width;
m_topo_dart_width+=2;
// save clear color and set to zero
float cc[4];
glGetFloatv(GL_COLOR_CLEAR_VALUE,cc);
glClearColor(0.0f,0.0f,0.0f,0.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDisable(GL_LIGHTING);
// draw in back buffer (not shown on screen)
drawDarts();
// restore dart with
m_topo_dart_width = dw;
// read the pixel under the mouse in back buffer
glReadBuffer(GL_BACK);
float color[3];
glReadPixels(x,y,1,1,GL_RGB,GL_FLOAT,color);
glClearColor(cc[0], cc[1], cc[2], cc[3]);
std::cout << color[0] << ", "<<color[1] << ", "<<color[2] <<std::endl;
return colToDart(color);
}
void Topo3Render::drawTopo()
{
drawDarts();
drawRelation1();
drawRelation2();
drawRelation3(Geom::Vec4f(1.0f,1.0f,0.0f,0.0f));
}
void Topo3PrimalRender<PFP>::drawTopo()
{
drawDarts();
drawRelation2();
}
void TopoRender::drawTopo()
{
drawDarts();
drawRelation1();
drawRelation2();
}