www.pudn.com > OpenGL_3d_terrain.rar > MyTerrain2View.cpp
// MyTerrain2View.cpp : implementation of the CMyTerrain2View class
//
#include "stdafx.h"
#include "MyTerrain2.h"
#include "MyTerrain2Doc.h"
#include "MyTerrain2View.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
float land[]= {
0.0f,0.0f,0.0f,1.0f, // 绿色
0.0f,0.0f,0.0f,1.0f,
0.0f,0.0f,0.015625f,1.0f,
0.0f,0.0f,0.046875f,1.0f,
0.0f,0.0f,0.0625f,1.0f,
0.0f,0.0f,0.09375f,1.0f,
0.0f,0.0f,0.125f,1.0f,
0.0f,0.0f,0.140625f,1.0f,
0.0f,0.0f,0.171875f,1.0f,
0.0f,0.0f,0.1875f,1.0f,
0.0f,0.0f,0.21875f,1.0f,
0.0f,0.0f,0.25f,1.0f,
0.0f,0.0f,0.265625f,1.0f,
0.0f,0.0f,0.296875f,1.0f,
0.0f,0.0f,0.3125f,1.0f,
0.0f,0.0f,0.34375f,1.0f,
0.0f,0.0f,0.375f,1.0f,
0.0f,0.0f,0.390625f,1.0f,
0.0f,0.0f,0.421875f,1.0f,
0.0f,0.0f,0.453125f,1.0f,
0.0f,0.0f,0.46875f,1.0f,
0.0f,0.0f,0.5f,1.0f,
0.0f,0.0f,0.515625f,1.0f,
0.0f,0.0f,0.546875f,1.0f,
0.0f,0.0f,0.578125f,1.0f,
0.0f,0.0f,0.59375f,1.0f,
0.0f,0.0f,0.625f,1.0f,
0.0f,0.0f,0.640625f,1.0f,
0.0f,0.0f,0.671875f,1.0f,
0.0f,0.0f,0.703125f,1.0f,
0.0f,0.0f,0.71875f,1.0f,
0.0f,0.0f,0.75f,1.0f,
0.0f,0.0f,0.78125f,1.0f,
0.0f,0.015625f,0.78125f,1.0f,
0.0f,0.046875f,0.78125f,1.0f,
0.0f,0.0625f,0.796875f,1.0f,
0.0f,0.09375f,0.796875f,1.0f,
0.0f,0.109375f,0.8125f,1.0f,
0.0f,0.140625f,0.8125f,1.0f,
0.0f,0.15625f,0.8125f,1.0f,
0.0f,0.1875f,0.828125f,1.0f,
0.0f,0.21875f,0.828125f,1.0f,
0.0f,0.234375f,0.84375f,1.0f,
0.0f,0.265625f,0.84375f,1.0f,
0.0f,0.28125f,0.84375f,1.0f,
0.0f,0.3125f,0.859375f,1.0f,
0.0f,0.328125f,0.859375f,1.0f,
0.0f,0.359375f,0.875f,1.0f,
0.0f,0.390625f,0.875f,1.0f,
0.0f,0.40625f,0.875f,1.0f,
0.0f,0.4375f,0.890625f,1.0f,
0.0f,0.453125f,0.890625f,1.0f,
0.0f,0.484375f,0.90625f,1.0f,
0.0f,0.5f,0.90625f,1.0f,
0.0f,0.53125f,0.90625f,1.0f,
0.0f,0.546875f,0.921875f,1.0f,
0.0f,0.578125f,0.921875f,1.0f,
0.0f,0.609375f,0.9375f,1.0f,
0.0f,0.625f,0.9375f,1.0f,
0.0f,0.65625f,0.9375f,1.0f,
0.0f,0.671875f,0.953125f,1.0f,
0.0f,0.703125f,0.953125f,1.0f,
0.0f,0.71875f,0.96875f,1.0f,
0.0f,0.75f,0.96875f,1.0f,
0.0f,0.78125f,0.984375f,1.0f,
0.015625f,0.78125f,0.984375f,1.0f,
0.046875f,0.78125f,0.984375f,1.0f,
0.078125f,0.796875f,0.984375f,1.0f,
0.109375f,0.796875f,0.984375f,1.0f,
0.140625f,0.8125f,0.984375f,1.0f,
0.171875f,0.8125f,0.984375f,1.0f,
0.203125f,0.8125f,0.984375f,1.0f,
0.234375f,0.828125f,0.984375f,1.0f,
0.265625f,0.828125f,0.984375f,1.0f,
0.296875f,0.84375f,0.984375f,1.0f,
0.328125f,0.84375f,0.984375f,1.0f,
0.359375f,0.84375f,0.984375f,1.0f,
0.390625f,0.859375f,0.984375f,1.0f,
0.421875f,0.859375f,0.984375f,1.0f,
0.453125f,0.875f,0.984375f,1.0f,
0.484375f,0.875f,0.984375f,1.0f,
0.515625f,0.875f,0.984375f,1.0f,
0.546875f,0.890625f,0.984375f,1.0f,
0.578125f,0.890625f,0.984375f,1.0f,
0.609375f,0.90625f,0.984375f,1.0f,
0.640625f,0.90625f,0.984375f,1.0f,
0.671875f,0.90625f,0.984375f,1.0f,
0.703125f,0.921875f,0.984375f,1.0f,
0.734375f,0.921875f,0.984375f,1.0f,
0.765625f,0.9375f,0.984375f,1.0f,
0.796875f,0.9375f,0.984375f,1.0f,
0.828125f,0.9375f,0.984375f,1.0f,
0.859375f,0.953125f,0.984375f,1.0f,
0.890625f,0.953125f,0.984375f,1.0f,
0.921875f,0.96875f,0.984375f,1.0f,
0.953125f,0.96875f,0.984375f,1.0f,
0.984375f,0.984375f,0.984375f,1.0f,
0.96875f,0.984375f,0.984375f,1.0f,
0.953125f,0.984375f,0.984375f,1.0f,
0.9375f,0.984375f,0.984375f,1.0f,
0.90625f,0.984375f,0.984375f,1.0f,
0.890625f,0.984375f,0.984375f,1.0f,
0.875f,0.984375f,0.984375f,1.0f,
0.84375f,0.984375f,0.984375f,1.0f,
0.828125f,0.984375f,0.984375f,1.0f,
0.8125f,0.984375f,0.984375f,1.0f,
0.78125f,0.984375f,0.984375f,1.0f,
0.765625f,0.984375f,0.984375f,1.0f,
0.75f,0.984375f,0.984375f,1.0f,
0.71875f,0.984375f,0.984375f,1.0f,
0.703125f,0.984375f,0.984375f,1.0f,
0.6875f,0.984375f,0.984375f,1.0f,
0.65625f,0.984375f,0.984375f,1.0f,
0.640625f,0.984375f,0.984375f,1.0f,
0.625f,0.984375f,0.984375f,1.0f,
0.609375f,0.984375f,0.984375f,1.0f,
0.578125f,0.984375f,0.984375f,1.0f,
0.5625f,0.984375f,0.984375f,1.0f,
0.546875f,0.984375f,0.984375f,1.0f,
0.515625f,0.984375f,0.984375f,1.0f,
0.5f,0.984375f,0.984375f,1.0f,
0.484375f,0.984375f,0.984375f,1.0f,
0.453125f,0.984375f,0.984375f,1.0f,
0.4375f,0.984375f,0.984375f,1.0f,
0.421875f,0.984375f,0.984375f,1.0f,
0.390625f,0.984375f,0.984375f,1.0f,
0.375f,0.984375f,0.984375f,1.0f,
0.359375f,0.984375f,0.984375f,1.0f,
0.328125f,0.984375f,0.984375f,1.0f,
0.3125f,0.984375f,0.984375f,1.0f,
0.296875f,0.984375f,0.984375f,1.0f,
0.28125f,0.984375f,0.984375f,1.0f,
0.25f,0.984375f,0.984375f,1.0f,
0.234375f,0.984375f,0.984375f,1.0f,
0.21875f,0.984375f,0.984375f,1.0f,
0.1875f,0.984375f,0.984375f,1.0f,
0.171875f,0.984375f,0.984375f,1.0f,
0.15625f,0.984375f,0.984375f,1.0f,
0.125f,0.984375f,0.984375f,1.0f,
0.109375f,0.984375f,0.984375f,1.0f,
0.09375f,0.984375f,0.984375f,1.0f,
0.0625f,0.984375f,0.984375f,1.0f,
0.046875f,0.984375f,0.984375f,1.0f,
0.03125f,0.984375f,0.984375f,1.0f,
0.0f,0.984375f,0.984375f,1.0f,
0.0f,0.96875f,0.984375f,1.0f,
0.0f,0.953125f,0.984375f,1.0f,
0.0f,0.9375f,0.984375f,1.0f,
0.0f,0.90625f,0.984375f,1.0f,
0.0f,0.890625f,0.984375f,1.0f,
0.0f,0.875f,0.984375f,1.0f,
0.0f,0.84375f,0.984375f,1.0f,
0.0f,0.828125f,0.984375f,1.0f,
0.0f,0.8125f,0.984375f,1.0f,
0.0f,0.78125f,0.984375f,1.0f,
0.0f,0.765625f,0.984375f,1.0f,
0.0f,0.75f,0.984375f,1.0f,
0.0f,0.71875f,0.984375f,1.0f,
0.0f,0.703125f,0.984375f,1.0f,
0.0f,0.6875f,0.984375f,1.0f,
0.0f,0.65625f,0.984375f,1.0f,
0.0f,0.640625f,0.984375f,1.0f,
0.0f,0.625f,0.984375f,1.0f,
0.0f,0.609375f,0.984375f,1.0f,
0.0f,0.578125f,0.984375f,1.0f,
0.0f,0.5625f,0.984375f,1.0f,
0.0f,0.546875f,0.984375f,1.0f,
0.0f,0.515625f,0.984375f,1.0f,
0.0f,0.5f,0.984375f,1.0f,
0.0f,0.484375f,0.984375f,1.0f,
0.0f,0.453125f,0.984375f,1.0f,
0.0f,0.4375f,0.984375f,1.0f,
0.0f,0.421875f,0.984375f,1.0f,
0.0f,0.390625f,0.984375f,1.0f,
0.0f,0.375f,0.984375f,1.0f,
0.0f,0.359375f,0.984375f,1.0f,
0.0f,0.328125f,0.984375f,1.0f,
0.0f,0.3125f,0.984375f,1.0f,
0.0f,0.296875f,0.984375f,1.0f,
0.0f,0.28125f,0.984375f,1.0f,
0.0f,0.25f,0.984375f,1.0f,
0.0f,0.234375f,0.984375f,1.0f,
0.0f,0.21875f,0.984375f,1.0f,
0.0f,0.1875f,0.984375f,1.0f,
0.0f,0.171875f,0.984375f,1.0f,
0.0f,0.15625f,0.984375f,1.0f,
0.0f,0.125f,0.984375f,1.0f,
0.0f,0.109375f,0.984375f,1.0f,
0.0f,0.09375f,0.984375f,1.0f,
0.0f,0.0625f,0.984375f,1.0f,
0.0f,0.046875f,0.984375f,1.0f,
0.0f,0.03125f,0.984375f,1.0f,
0.0f,0.0f,0.984375f,1.0f,
0.0f,0.0f,0.96875f,1.0f,
0.0f,0.0f,0.953125f,1.0f,
0.0f,0.0f,0.9375f,1.0f,
0.0f,0.0f,0.921875f,1.0f,
0.0f,0.0f,0.90625f,1.0f,
0.0f,0.0f,0.890625f,1.0f,
0.0f,0.0f,0.875f,1.0f,
0.0f,0.0f,0.859375f,1.0f,
0.0f,0.0f,0.84375f,1.0f,
0.0f,0.0f,0.828125f,1.0f,
0.0f,0.0f,0.8125f,1.0f,
0.0f,0.0f,0.796875f,1.0f,
0.0f,0.0f,0.78125f,1.0f,
0.0f,0.0f,0.765625f,1.0f,
0.0f,0.0f,0.75f,1.0f,
0.0f,0.0f,0.734375f,1.0f,
0.0f,0.0f,0.71875f,1.0f,
0.0f,0.0f,0.703125f,1.0f,
0.0f,0.0f,0.6875f,1.0f,
0.0f,0.0f,0.671875f,1.0f,
0.0f,0.0f,0.65625f,1.0f,
0.0f,0.0f,0.640625f,1.0f,
0.0f,0.0f,0.625f,1.0f,
0.0f,0.0f,0.609375f,1.0f,
0.0f,0.0f,0.59375f,1.0f,
0.0f,0.0f,0.578125f,1.0f,
0.0f,0.0f,0.5625f,1.0f,
0.0f,0.0f,0.546875f,1.0f,
0.0f,0.0f,0.53125f,1.0f,
0.0f,0.0f,0.515625f,1.0f,
0.0f,0.0f,0.5f,1.0f,
0.0f,0.0f,0.484375f,1.0f,
0.0f,0.0f,0.46875f,1.0f,
0.0f,0.0f,0.453125f,1.0f,
0.0f,0.0f,0.4375f,1.0f,
0.0f,0.0f,0.421875f,1.0f,
0.0f,0.0f,0.40625f,1.0f,
0.0f,0.0f,0.390625f,1.0f,
0.0f,0.0f,0.375f,1.0f,
0.0f,0.0f,0.359375f,1.0f,
0.0f,0.0f,0.34375f,1.0f,
0.0f,0.0f,0.328125f,1.0f,
0.0f,0.0f,0.3125f,1.0f,
0.0f,0.0f,0.296875f,1.0f,
0.0f,0.0f,0.28125f,1.0f,
0.0f,0.0f,0.265625f,1.0f,
0.0f,0.0f,0.25f,1.0f,
0.0f,0.0f,0.234375f,1.0f,
0.0f,0.0f,0.21875f,1.0f,
0.0f,0.0f,0.203125f,1.0f,
0.0f,0.0f,0.1875f,1.0f,
0.0f,0.0f,0.171875f,1.0f,
0.0f,0.0f,0.15625f,1.0f,
0.0f,0.0f,0.140625f,1.0f,
0.0f,0.0f,0.125f,1.0f,
0.0f,0.0f,0.109375f,1.0f,
0.0f,0.0f,0.09375f,1.0f,
0.0f,0.0f,0.078125f,1.0f,
0.0f,0.0f,0.0625f,1.0f,
0.0f,0.0f,0.046875f,1.0f,
0.0f,0.0f,0.03125f,1.0f,
0.0f,0.0f,0.0f,1.0f,
0.0f,0.0f,0.0f,1.0f
};
/////////////////////////////////////////////////////////////////////////////
// CMyTerrain2View
IMPLEMENT_DYNCREATE(CMyTerrain2View, CView)
BEGIN_MESSAGE_MAP(CMyTerrain2View, CView)
//{{AFX_MSG_MAP(CMyTerrain2View)
ON_WM_CREATE()
ON_WM_DESTROY()
ON_WM_SIZE()
ON_WM_TIMER()
//}}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()
/////////////////////////////////////////////////////////////////////////////
// CMyTerrain2View construction/destruction
CMyTerrain2View::CMyTerrain2View()
{
// TODO: add construction code here
}
CMyTerrain2View::~CMyTerrain2View()
{
}
BOOL CMyTerrain2View::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
////////////////////////////////////////////////////////////////
//设置窗口类型
cs.style |=WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
////////////////////////////////////////////////////////////////
return CView::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
// CMyTerrain2View drawing
void CMyTerrain2View::OnDraw(CDC* pDC)
{
CMyTerrain2Doc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
// TODO: add draw code for native data here
//////////////////////////////////////////////////////////////////
RenderScene(); //渲染场景
//////////////////////////////////////////////////////////////////
}
/////////////////////////////////////////////////////////////////////////////
// CMyTerrain2View printing
BOOL CMyTerrain2View::OnPreparePrinting(CPrintInfo* pInfo)
{
// default preparation
return DoPreparePrinting(pInfo);
}
void CMyTerrain2View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add extra initialization before printing
}
void CMyTerrain2View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add cleanup after printing
}
/////////////////////////////////////////////////////////////////////////////
// CMyTerrain2View diagnostics
#ifdef _DEBUG
void CMyTerrain2View::AssertValid() const
{
CView::AssertValid();
}
void CMyTerrain2View::Dump(CDumpContext& dc) const
{
CView::Dump(dc);
}
CMyTerrain2Doc* CMyTerrain2View::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CMyTerrain2Doc)));
return (CMyTerrain2Doc*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CMyTerrain2View message handlers
int CMyTerrain2View::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
if (CView::OnCreate(lpCreateStruct) == -1)
return -1;
// TODO: Add your specialized creation code here
//////////////////////////////////////////////////////////////////
//初始化OpenGL和设置定时器
m_pDC = new CClientDC(this);
SetTimer(1, 20, NULL);
InitializeOpenGL(m_pDC);
//////////////////////////////////////////////////////////////////
InitGL();
return 0;
}
void CMyTerrain2View::OnDestroy()
{
CView::OnDestroy();
// TODO: Add your message handler code here
/////////////////////////////////////////////////////////////////
//删除调色板和渲染上下文、定时器
::wglMakeCurrent(0,0);
::wglDeleteContext( m_hRC);
if (m_hPalette)
DeleteObject(m_hPalette);
if ( m_pDC )
{
delete m_pDC;
}
KillTimer(1);
/////////////////////////////////////////////////////////////////
}
void CMyTerrain2View::OnSize(UINT nType, int cx, int cy)
{
CView::OnSize(nType, cx, cy);
// TODO: Add your message handler code here
/////////////////////////////////////////////////////////////////
//添加窗口缩放时的图形变换函数
glViewport(0,0,cx,cy);
/////////////////////////////////////////////////////////////////
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45.0f,(GLfloat)cx/(GLfloat)cy,0.1f,100.0f);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void CMyTerrain2View::OnTimer(UINT nIDEvent)
{
// TODO: Add your message handler code here and/or call default
/////////////////////////////////////////////////////////////////
//添加定时器响应函数和场景更新函数
Invalidate(FALSE);
/////////////////////////////////////////////////////////////////
CView::OnTimer(nIDEvent);
}
/////////////////////////////////////////////////////////////////////
// 设置逻辑调色板
//////////////////////////////////////////////////////////////////////
void CMyTerrain2View::SetLogicalPalette(void)
{
struct
{
WORD Version;
WORD NumberOfEntries;
PALETTEENTRY aEntries[256];
} logicalPalette = { 0x300, 256 };
BYTE reds[] = {0, 36, 72, 109, 145, 182, 218, 255};
BYTE greens[] = {0, 36, 72, 109, 145, 182, 218, 255};
BYTE blues[] = {0, 85, 170, 255};
for (int colorNum=0; colorNum<256; ++colorNum)
{
logicalPalette.aEntries[colorNum].peRed =
reds[colorNum & 0x07];
logicalPalette.aEntries[colorNum].peGreen =
greens[(colorNum >> 0x03) & 0x07];
logicalPalette.aEntries[colorNum].peBlue =
blues[(colorNum >> 0x06) & 0x03];
logicalPalette.aEntries[colorNum].peFlags = 0;
}
m_hPalette = CreatePalette ((LOGPALETTE*)&logicalPalette);
}
//////////////////////////////////////////////////////////
// 初始化openGL场景
//////////////////////////////////////////////////////////
BOOL CMyTerrain2View::InitializeOpenGL(CDC* pDC)
{
m_pDC = pDC;
SetupPixelFormat();
//生成绘制描述表
m_hRC = ::wglCreateContext(m_pDC->GetSafeHdc());
//置当前绘制描述表
::wglMakeCurrent(m_pDC->GetSafeHdc(), m_hRC);
return TRUE;
}
//////////////////////////////////////////////////////////
// 设置像素格式
//////////////////////////////////////////////////////////
BOOL CMyTerrain2View::SetupPixelFormat()
{
PIXELFORMATDESCRIPTOR pfd = {
sizeof(PIXELFORMATDESCRIPTOR), // pfd结构的大小
1, // 版本号
PFD_DRAW_TO_WINDOW | // 支持在窗口中绘图
PFD_SUPPORT_OPENGL | // 支持 OpenGL
PFD_DOUBLEBUFFER, // 双缓存模式
PFD_TYPE_RGBA, // RGBA 颜色模式
24, // 24 位颜色深度
0, 0, 0, 0, 0, 0, // 忽略颜色位
0, // 没有非透明度缓存
0, // 忽略移位位
0, // 无累加缓存
0, 0, 0, 0, // 忽略累加位
32, // 32 位深度缓存
0, // 无模板缓存
0, // 无辅助缓存
PFD_MAIN_PLANE, // 主层
0, // 保留
0, 0, 0 // 忽略层,可见性和损毁掩模
};
int pixelformat;
pixelformat = ::ChoosePixelFormat(m_pDC->GetSafeHdc(), &pfd);//选择像素格式
::SetPixelFormat(m_pDC->GetSafeHdc(), pixelformat, &pfd); //设置像素格式
if(pfd.dwFlags & PFD_NEED_PALETTE)
SetLogicalPalette(); //设置逻辑调色板
return TRUE;
}
//////////////////////////////////////////////////////////
// 场景绘制与渲染
//////////////////////////////////////////////////////////
BOOL CMyTerrain2View::RenderScene()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
Io.x+=0.1;
Io.z+=0.1;
if(Io.x>MAXX)
{
Io.x=0;
Io.z=0;
InitTerreno(); //地形的动态生成
}
gluLookAt(Io.x,Io.y,Io.z,Io.x+4,3,Io.z+4,0.0f,1.0f,0.0f);
Superficie(); //地形绘制
::SwapBuffers(m_pDC->GetSafeHdc()); //交互缓冲区
return TRUE;
}
void CMyTerrain2View::Superficie(void)
{
int x,z,xi,xf,zi,zf;
float c1,c2,c3,c4;
float xd,zd;
float media;
float tt;
int ka,kb,kc,kd;
xi=(int)Io.x-0;
xf=(int)Io.x+30;
zi=(int)Io.z-0;
zf=(int)Io.z+30;
for(x=xi;x MAXX-1 || z > MAXZ-1) ||
(x < 0 || z < 0) )
continue;
xd=(float)x*SIZE;
zd=(float)z*SIZE;
c1=Buffer[x][z];
c2=Buffer[x+1][z];
c3=Buffer[x+1][z+1];
c4=Buffer[x][z+1];
tt=256/(max-min);
// 根据高程求出颜色
media=c1-min;
media=media*tt;
ka=255-(int)media;
ka=ka*4;
if(ka<0 || ka>256*4)
ka=0;
// 根据高程求出颜色
media=c2-min;
media=media*tt;
kb=255-(int)media;
kb=kb*4;
if(kb<0 || kb>256*4)
kb=0;
// 根据高程求出颜色
media=c3-min;
media=media*tt;
kc=255-(int)media;
kc=kc*4;
if(kc<0 || kc>256*4)
kc=0;
// 根据高程求出颜色
media=c4-min;
media=media*tt;
kd=255-(int)media;
kd=kd*4;
if(kd<0 || kd>256*4)
kd=0;
// 地形由四边形构成
glBegin(GL_QUADS);
glColor3f(land[ka],land[ka+1],land[ka+2]);
glVertex3d( xd, c1*FY, zd );
glColor3f(land[kb],land[kb+1],land[kb+2]);
glVertex3d( xd+SIZE, c2*FY, zd );
glColor3f(land[kc],land[kc+1],land[kc+2]);
glVertex3d( xd+SIZE, c3*FY, zd+SIZE );
glColor3f(land[kd],land[kd+1],land[kd+2]);
glVertex3d( xd, c4*FY, zd+SIZE );
glEnd();
}
}
}
int CMyTerrain2View::InitGL(GLvoid)
{
GLfloat fgcolor[]={ 0.0f, 0.0f, 0.0f,1.0f };
InitTerreno(); // 地形初始化
// 视点与运动速度初始化
Io.x=0;
Io.y=5;
Io.z=0;
Io.angolo=0;
Io.vx=0;
Io.vy=0;
Io.vz=0;
// OpenGL场景初始化（光照、雾化等〕
glShadeModel(GL_SMOOTH); // Enable Smooth Shading
glClearColor(0.0f, 0.0f, 0.0f, 0.5f); // Black Background
glClearDepth(1.0f); // Depth Buffer Setup
glEnable(GL_DEPTH_TEST); // Enables Depth Testing
glDepthFunc(GL_LEQUAL); // The Type Of Depth Testing To Do
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); // Really Nice Perspective Calculations
glFogfv(GL_FOG_COLOR,fgcolor);
glFogf(GL_FOG_START,25.0f);
glFogf(GL_FOG_END,33.0f);
glFogf(GL_FOG_MODE,GL_LINEAR);
glFogf(GL_FOG_DENSITY, 0.5f); // How Dense Will The Fog Be
glEnable(GL_FOG);
return TRUE; // Initialization Went OK
}
void CMyTerrain2View::InitTerreno(void)
{
int i,i2;
int t,t2;
max=0;
min=1000;
// 随机生成地形
for(i=0;i 0 && cnt == 0)
{
Buffer[t][t2]*=2;
Buffer[t-1][t2]=Buffer[t][t2]/2;
Buffer[t+1][t2]=Buffer[t][t2]/2;
Buffer[t][t2-1]=Buffer[t][t2]/2;
Buffer[t][t2+1]=Buffer[t][t2]/2;
}
}
}
}
for(t=0;tmax)
max=(float)Buffer[t][t2];
if(Buffer[t][t2]