?? 真實感圖形學view.cpp
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// 真實感圖形學View.cpp : implementation of the CMyView class
//
#include "stdafx.h"
#include "真實感圖形學.h"
#include "真實感圖形學Doc.h"
#include "真實感圖形學View.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#include "ZBuffer.h"
#include "BRender.h"
#include "TypedStack.h"
#include "Lighting.h"
/////////////////////////////////////////////////////////////////////////////
// CMyView
IMPLEMENT_DYNCREATE(CMyView, CView)
BEGIN_MESSAGE_MAP(CMyView, CView)
//{{AFX_MSG_MAP(CMyView)
ON_WM_CREATE()
//}}AFX_MSG_MAP
// Standard printing commands
ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CMyView construction/destruction
CMyView::CMyView()
{
//視點
VERTEX3D viewer = {0.0f, 0.0f, 8.0f};
//視口變換中進行放大處理, 屏幕位置距離視點100個單位;
//透視中心(屏幕坐標)為(250, 250)
VIEWFINDER viewFinder = {100.0f, 8.0f, 8.0f, {200, 200}};
m_viewer = viewer;
m_viewFinder = viewFinder;
}
CMyView::~CMyView()
{
delete m_pSphere0;
delete m_pSphere1;
delete m_pSphere2;
// delete m_pSphere3;
// delete m_pSphere4;
// delete m_pSphere5;
delete[] m_pLights;
delete m_pCB;
}
BOOL CMyView::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
return CView::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
// CMyView drawing
void CMyView::OnDraw(CDC* pDC)
{
m_pCB->SwapBuffer(pDC);
}
/////////////////////////////////////////////////////////////////////////////
// CMyView printing
BOOL CMyView::OnPreparePrinting(CPrintInfo* pInfo)
{
// default preparation
return DoPreparePrinting(pInfo);
}
void CMyView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add extra initialization before printing
}
void CMyView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add cleanup after printing
}
/////////////////////////////////////////////////////////////////////////////
// CMyView diagnostics
#ifdef _DEBUG
void CMyView::AssertValid() const
{
CView::AssertValid();
}
void CMyView::Dump(CDumpContext& dc) const
{
CView::Dump(dc);
}
CMyDoc* CMyView::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CMyDoc)));
return (CMyDoc*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CMyView message handlers
int CMyView::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
if (CView::OnCreate(lpCreateStruct) == -1)
return -1;
// TODO: Add your specialized creation code here
//
//the first stage
//第一階段, 建立場景，設置光源和材質屬性，完成光照計算
//第一步, 申明一個球對象
m_pSphere0 = new CSphere(0.5f, 32, 32);
//克隆五個球
m_pSphere1 = m_pSphere0->Clone();
m_pSphere2 = m_pSphere0->Clone();
// m_pSphere3 = m_pSphere0->Clone();
// m_pSphere4 = m_pSphere0->Clone();
// m_pSphere5 = m_pSphere0->Clone();
//組織場景, 進行幾何變換
//構造一個矩陣堆棧
CTypedStack<CMatrix3d> matrixStack;
//變換矩陣
CMatrix3d mGeometry;
//方位矩陣
mGeometry.RotateX(45.0f);
matrixStack.Push(mGeometry);
//上一層球
mGeometry.Translate(-1.1f, 1.0f, 0.0f);
m_pSphere0->Transform(mGeometry);
mGeometry.Translate(1.1f, 0.0f, 0.0f);
m_pSphere1->Transform(mGeometry);
mGeometry.Translate(1.1f, 0.0f, 0.0f);
m_pSphere2->Transform(mGeometry);
/* //下一層球
mGeometry.Translate(0.0f, -1.4f, 0.0f);
m_pSphere5->Transform(mGeometry);
mGeometry.Translate(-1.1f, 0.0f, 0.0f);
m_pSphere4->Transform(mGeometry);
mGeometry.Translate(-1.1f, 0.0f, 0.0f);
m_pSphere3->Transform(mGeometry);*/
//法線:
CMatrix3d mn = matrixStack.Pop();
//物體的頂點法線:
m_pSphere0->TransVertexNormals(mn);
m_pSphere1->TransVertexNormals(mn);
m_pSphere2->TransVertexNormals(mn);
// m_pSphere3->TransVertexNormals(mn);
// m_pSphere4->TransVertexNormals(mn);
//第二步:設置材質和光源
//設置兩個光源
m_pLights = new CLightObj[2];
//設置第一盞燈(泛光燈)
float amb_omni[4] = {0.2f, 0.2f, 0.2f, 1.0f};
float dif_omni[4] = {1.0f, 1.0f, 1.0f, 1.0f};
float spe_omni[4] = {1.0f, 1.0f, 1.0f, 1.0f};
float pos_omni[4] = {0.0f, 0.0f, 8.0f, 1.0f};
m_pLights[0].Lightfv(G3D_AMBIENT, amb_omni);
m_pLights[0].Lightfv(G3D_DIFFUSE, dif_omni);
m_pLights[0].Lightfv(G3D_SPECULAR, spe_omni);
m_pLights[0].Lightfv(G3D_POSITION, pos_omni);
//m_pLights[0].Lightf(G3D_CONSTANT_ATTENUATION, 2.5f);
//m_pLights[0].Lightb(G3D_LIGHT_ON_OFF, FALSE);
//設置第一盞燈(聚光燈)
float amb_spot[4] = {0.2f, 0.2f, 0.2f, 1.0f};
float dif_spot[4] = {1.0f, 0.0f, 0.0f, 1.0f};
float spe_spot[4] = {1.0f, 1.0f, 1.0f, 1.0f};
float pos_spot[4] = {0.0f, 8.0f, 8.0f, 1.0f};
float dir_spot[4] = {0.0f, -1.0f, -1.0f, 1.0f};
m_pLights[1].Lightfv(G3D_AMBIENT, amb_spot);
m_pLights[1].Lightfv(G3D_DIFFUSE, dif_spot);
m_pLights[1].Lightfv(G3D_SPECULAR, spe_spot);
m_pLights[1].Lightfv(G3D_POSITION, pos_spot);
m_pLights[1].Lightfv(G3D_SPOT_DIRECTION, dir_spot);
m_pLights[1].Lightf(G3D_SPOT_CUTOFF, 5.3f);
m_pLights[1].Lightf(G3D_SPOT_EXPONENT, 50.0f);
//m_pLights[1].Lightf(G3D_CONSTANT_ATTENUATION, 2.5f);
//m_pLights[1].Lightb(G3D_LIGHT_ON_OFF, FALSE);
//第三步, 定義材質
//黃色材質
float ambMaterial[4] = {0.2f, 0.2f, 0.2f, 1.0f};
float difMaterial[4] = {0.8f, 0.8f, 0.0f, 1.0f};
float speMaterial[4] = {1.0f, 1.0f, 1.0f, 1.0f};
float shininess = 50.0f;
//金
//float ambMaterial[4] = {0.247f, 0.200f, 0.075f, 1.0f};
//float difMaterial[4] = {0.752f, 0.606f, 0.226f, 1.0f};
//float speMaterial[4] = {0.628f, 0.556f, 0.336f, 1.0f};
//float shininess = 51.2f;
//設置材質
m_material.Materialfv(G3D_FRONT, G3D_AMBIENT, ambMaterial);
m_material.Materialfv(G3D_FRONT, G3D_DIFFUSE, difMaterial);
m_material.Materialfv(G3D_FRONT, G3D_SPECULAR, speMaterial);
m_material.Materialf(G3D_FRONT, G3D_SHININESS, shininess);
//第四步, 進行光照計算
CLighting lighting;
//允許局部光照模型
lighting.LightModelb(G3D_LIGHT_MODEL_LOCAL_VIEWER, TRUE);
//光照計算
lighting.Lighting(m_pSphere0, m_material, m_viewer, m_pLights, 2);
lighting.Lighting(m_pSphere1, m_material, m_viewer, m_pLights, 2);
lighting.Lighting(m_pSphere2, m_material, m_viewer, m_pLights, 2);
// lighting.Lighting(m_pSphere3, m_material, m_viewer, m_pLights, 2);
// lighting.Lighting(m_pSphere4, m_material, m_viewer, m_pLights, 2);
// lighting.Lighting(m_pSphere5, m_material, m_viewer, m_pLights, 2);
//第一階段已經完畢
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// The second stage
//第二階段, 開始繪制到內存
//第一步, 初始化顏色緩沖區, 申請深度緩沖區
m_pCB = new CColorBuffer(410, 350);
//深度緩沖區, 與顏色緩沖區大小保持一致
CZBuffer* pZB = new CZBuffer(410, 350);
pZB->InitAllDepth(500.0f);
//第二步, 著色
CBRender renderer;
//線框模型
renderer.Render(m_pSphere0, m_viewer, m_viewFinder, m_pCB, pZB, G3D_RENDER_WIRE);
//刻面模型
renderer.Render(m_pSphere1, m_viewer, m_viewFinder, m_pCB, pZB, G3D_RENDER_FLAT);
//光滑明暗模型
renderer.Render(m_pSphere2, m_viewer, m_viewFinder, m_pCB, pZB, G3D_RENDER_GOURAUD_SMOOTH);
/* //線框模型
renderer.Render(m_pSphere3, m_viewer, m_viewFinder, m_pCB, pZB, G3D_RENDER_WIRE);
//刻面模型
renderer.Render(m_pSphere4, m_viewer, m_viewFinder, m_pCB, pZB, G3D_RENDER_FLAT);
//光滑明暗模型
renderer.Render(m_pSphere5, m_viewer, m_viewFinder, m_pCB, pZB, G3D_RENDER_GOURAUD_SMOOTH);*/
delete pZB;
return 0;
}
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