3D Graph ActiveX Control

// TorusDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Torus.h"
#include "TorusDlg.h"

#include <math.h>

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CTorusDlg dialog

CTorusDlg::CTorusDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTorusDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTorusDlg)
	m_bProjection = FALSE;
	m_nDefformation = 100;
	m_nAmbient = 60;
	m_nAmbMat = 0;
	m_nDiffMat = 0;
	m_nDiffuse = 20;
	m_nEmission = 10;
	m_nShine = 0;
	m_nSpecMat = 0;
	m_nSpecular = 0;
	m_nPosX = 37;
	m_nPosY = 100;
	m_nPosZ = 46;
	m_strAmbient = _T("");
	m_strAmbMat = _T("");
	m_strDiffMat = _T("");
	m_strDiffuse = _T("");
	m_strEmission = _T("");
	m_strShine = _T("");
	m_strSpecMat = _T("");
	m_strSpecular = _T("");
	m_strPosX = _T("");
	m_strPosY = _T("");
	m_strPosZ = _T("");
	m_bFill = FALSE;
	m_bFlat = FALSE;
	m_bLights = FALSE;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CTorusDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTorusDlg)
	DDX_Control(pDX, IDC_COMBO_MODE, m_cmbTrackMode);
	DDX_Check(pDX, IDC_CHECK_PROJ, m_bProjection);
	DDX_Control(pDX, IDC_NTGRAPH3D1, m_Graph3D);
	DDX_Slider(pDX, IDC_DEFFORMATION, m_nDefformation);
	DDX_Slider(pDX, IDC_AMBIENT, m_nAmbient);
	DDX_Slider(pDX, IDC_AMBMAT, m_nAmbMat);
	DDX_Slider(pDX, IDC_DIFFMAT, m_nDiffMat);
	DDX_Slider(pDX, IDC_DIFFUSE, m_nDiffuse);
	DDX_Slider(pDX, IDC_EMISSION, m_nEmission);
	DDX_Slider(pDX, IDC_SHINE, m_nShine);
	DDX_Slider(pDX, IDC_SPECMAT, m_nSpecMat);
	DDX_Slider(pDX, IDC_SPECULAR, m_nSpecular);
	DDX_Slider(pDX, IDC_XPOS, m_nPosX);
	DDX_Slider(pDX, IDC_YPOS, m_nPosY);
	DDX_Slider(pDX, IDC_ZPOS, m_nPosZ);
	DDX_Text(pDX, IDC_AMB_TEXT, m_strAmbient);
	DDX_Text(pDX, IDC_AMBMAT_TEXT, m_strAmbMat);
	DDX_Text(pDX, IDC_DIFFMAT_TEXT, m_strDiffMat);
	DDX_Text(pDX, IDC_DIFFUSE_TEXT, m_strDiffuse);
	DDX_Text(pDX, IDC_EMISSION_TEXT, m_strEmission);
	DDX_Text(pDX, IDC_SHINE_TEXT, m_strShine);
	DDX_Text(pDX, IDC_SPECMAT_TEXT, m_strSpecMat);
	DDX_Text(pDX, IDC_SPECULAR_TEXT, m_strSpecular);
	DDX_Text(pDX, IDC_XPOS_TEXT, m_strPosX);
	DDX_Text(pDX, IDC_YPOS_TEXT, m_strPosY);
	DDX_Text(pDX, IDC_ZPOS_TEXT, m_strPosZ);
	DDX_Check(pDX, IDC_FILL, m_bFill);
	DDX_Check(pDX, IDC_FLAT, m_bFlat);
	DDX_Check(pDX, IDC_LIGHTS, m_bLights);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTorusDlg, CDialog)
	//{{AFX_MSG_MAP(CTorusDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_CHECK_PROJ, OnCheckProjection)
	ON_CBN_CLOSEUP(IDC_COMBO_MODE, OnCloseupComboMode)
	ON_WM_TIMER()
	ON_BN_CLICKED(IDC_FILL, OnFillSurface)
	ON_BN_CLICKED(IDC_FLAT, OnFlatSurface)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTorusDlg message handlers

BOOL CTorusDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	PlotTorus();
	m_cmbTrackMode.SetCurSel(0);
	SetTimer(1,33,0);
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CTorusDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CTorusDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CTorusDlg::OnCheckProjection() 
{
	UpdateData();
	if (m_bProjection) {
		m_Graph3D.SetProjection (1);
	    m_Graph3D.SetCaption ("Orthographic");
	} else {
		m_Graph3D.SetProjection (0);
		m_Graph3D.SetCaption ("Perspective");
	}	
}

void CTorusDlg::OnCloseupComboMode() 
{
    m_Graph3D.SetTrackMode(m_cmbTrackMode.GetCurSel());	
}



void CTorusDlg::PlotTorus()
{
	m_Graph3D.SetCaption ("Torus");
	m_Graph3D.ClearGraph();
	m_Graph3D.AddElement();
	
    m_Graph3D.SetElementLineColor(0, RGB(255,0,0));
	m_Graph3D.SetElementType(0, 3); // draw surface
	m_Graph3D.SetElementSurfaceFill(0,m_bFill);
	m_Graph3D.SetElementSurfaceFlat(0,m_bFlat);
	m_Graph3D.SetLighting(0,m_bLights);

	float a = m_nDefformation/100.0;     

	double x,y,z,ti,tj;

	for (int i = 0; i < 41; i++)
	{
	    ti = (i - 20.0)/20.0 * 3.15;
	
		for (int j = 0; j < 41 ; j++) 
		{
		    tj = (j - 20.0)/20.0 * 3.15;

			x = (a*cos(tj) + 3.0) * cos(ti);
			y = a*sin(tj);
			z = (a*cos(tj) + 3.0) * sin(ti);

			m_Graph3D.PlotXYZ(x,y,z,0);
		}
	}

	m_Graph3D.AutoRange();
}

void CTorusDlg::OnTimer(UINT nIDEvent) 
{
    UpdateData();

	PlotTorus();

	m_Graph3D.SetElementLight(0,TRUE); // Enable Lighting
    m_Graph3D.SetElementLightingAmbient(0,m_nAmbient);
    m_Graph3D.SetElementLightingDiffuse(0,m_nDiffuse);
	m_Graph3D.SetElementLightingSpecular(0,m_nSpecular);
	m_Graph3D.SetElementMaterialAmbient(0,m_nAmbMat);
    m_Graph3D.SetElementMaterialDiffuse(0,m_nDiffMat);
	m_Graph3D.SetElementMaterialSpecular(0,m_nSpecMat);
	m_Graph3D.SetElementMaterialEmission(0,m_nEmission);
	m_Graph3D.SetElementMaterialShinines(0,m_nShine);
	m_Graph3D.SetLightCoordinates(0,(float)m_nPosX,(float)m_nPosY,(float)m_nPosZ);

	CString str;

	str.Format("%d",m_nAmbient);
	m_strAmbient = str;

	str.Format("%d",m_nDiffuse);
	m_strDiffuse = str;

	str.Format("%d",m_nSpecular);
	m_strSpecular = str;

	str.Format("%d",m_nAmbMat);
	m_strAmbMat = str;

	str.Format("%d",m_nDiffMat);
	m_strDiffMat = str;

	str.Format("%d",m_nSpecMat);
	m_strSpecMat = str;

	str.Format("%d",m_nEmission);
	m_strEmission = str;

	str.Format("%d",m_nShine);
	m_strShine = str;

	str.Format("%d",m_nPosX);
	m_strPosX = str;
	str.Format("%d",m_nPosY);
	m_strPosY = str;
	str.Format("%d",m_nPosZ);
	m_strPosZ = str;



	UpdateData(FALSE);

	CDialog::OnTimer(nIDEvent);
}


void CTorusDlg::OnFillSurface() 
{
	UpdateData();
	m_Graph3D.SetElementSurfaceFill(0,m_bFill);
	
}

void CTorusDlg::OnFlatSurface() 
{
	UpdateData();
	m_Graph3D.SetElementSurfaceFlat(0,m_bFlat);
	
}