wxWidgets上渲染openGL(源码)

#include <wx/wx.h> #include <wx/window.h> #include "TSMain.h" #include "sample.xpm" #include <gl/gl.h> #include <gl/glu.h> #include "TSGameMain.h" TSFrame* g_pFrame; int g_KeyPort; CMouseStat g_MousePort; /*---------------------------------------------------------------- Implementation of Test-GLCanvas -----------------------------------------------------------------*/ BEGIN_EVENT_TABLE(TSGLCanvas, wxGLCanvas) EVT_SIZE(TSGLCanvas::OnSize) EVT_ERASE_BACKGROUND(TSGLCanvas::OnEraseBackground) EVT_TIMER(ID_TIMER,TSGLCanvas::OnTimer) EVT_KEY_DOWN(TSGLCanvas::OnKeyDown) EVT_KEY_UP(TSGLCanvas::OnKeyUp) EVT_MOUSE_EVENTS(TSGLCanvas::OnMouseEvent) END_EVENT_TABLE() TSGLCanvas::TSGLCanvas(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, const wxString& name) : wxGLCanvas(parent, (wxGLCanvas*) NULL, id, pos, size, style|wxFULL_REPAINT_ON_RESIZE , name ) { m_init = false; //- m_timer = new wxTimer(this, ID_TIMER); m_timer->Start(1); //- } TSGLCanvas::~TSGLCanvas() { } void TSGLCanvas::OnTimer(wxTimerEvent& WXUNUSED(event)) { Render(); } void TSGLCanvas::OnKeyDown(wxKeyEvent& event) { switch ( event.GetKeyCode() ) { case WXK_LEFT: g_KeyPort = WXK_LEFT; break; case WXK_RIGHT: g_KeyPort = WXK_RIGHT; break; case WXK_UP: g_KeyPort = WXK_UP; break; case WXK_DOWN: g_KeyPort = WXK_DOWN; break; case WXK_HOME: g_KeyPort = WXK_HOME; break; case WXK_END: g_KeyPort = WXK_END; break; case WXK_RETURN: g_KeyPort = WXK_RETURN; break; } } void TSGLCanvas::OnKeyUp(wxKeyEvent& event) { g_KeyPort = 0; } void TSGLCanvas::OnMouseEvent(wxMouseEvent& event) { wxPoint pt(event.GetPosition()); g_MousePort.x = pt.x; g_MousePort.y = pt.y; g_MousePort.LeftUp = event.LeftUp(); g_MousePort.LeftDown = event.LeftDown(); g_MousePort.LeftDrag = event.Dragging(); } void TSGLCanvas::InitGL() { TSGameInit(); } void TSGLCanvas::Render() { #ifndef __WXMOTIF__ if (!GetContext()) return; #endif // Init OpenGL once, but after SetCurrent if (!m_init) { m_init = true; InitGL(); } TSGameRun(); glFlush(); SwapBuffers(); } //窗口大小改变 void TSGLCanvas::OnSize(wxSizeEvent& event) { // this is also necessary to update the context on some platforms wxGLCanvas::OnSize(event); // set GL viewport (not called by wxGLCanvas::OnSize on all platforms...) int w, h; GetClientSize(&w, &h); #ifndef __WXMOTIF__ if (GetContext()) #endif { // [6/12/2009 Administrator] SetCurrent(); // glViewport(0, 0, (GLint) w, (GLint) h); glMatrixMode(GL_PROJECTION); // Select The Projection Matrix glLoadIdentity(); // Reset The Projection Matrix { gluPerspective(45.0f,(GLfloat)w/(GLfloat)h, 0.1f ,5000.0f); } glMatrixMode(GL_MODELVIEW); // Select The Modelview Matrix glLoadIdentity(); // Reset The Modelview Matrix { glShadeModel(GL_SMOOTH); // Enable Smooth Shading 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 glEnable(GL_COLOR_MATERIAL); glLineWidth(2); glClearColor( 0.350f, 0.530f, 0.701f, 1.0f ); } } } //擦除背景 void TSGLCanvas::OnEraseBackground(wxEraseEvent& WXUNUSED(event)) { // Do nothing, to avoid flashing. } /* ----------------------------------------------------------------------- Main Window -------------------------------------------------------------------------*/ BEGIN_EVENT_TABLE(TSFrame, wxFrame) EVT_MENU(wxID_EXIT, TSFrame::OnExit) END_EVENT_TABLE() //TSFrame构造 TSFrame::TSFrame(wxWindow *parent, const wxString& title, const wxPoint& pos, const wxSize& size, long style) : wxFrame(parent, wxID_ANY, title, pos, size, style) { m_canvas = NULL; SetIcon(wxIcon(sample_xpm)); } //TSFrame退出 void TSFrame::OnExit( wxCommandEvent& WXUNUSED(event) ) { // true is to force the frame to close Close(true); } //TSFrame创建窗口 TSFrame *TSFrame::Create() { wxString str = wxT("TSFrameWork with wxWidgets - OpenGL Version 1.0"); g_pFrame = new TSFrame(NULL, str, wxDefaultPosition,wxSize(800, 600)); g_pFrame->m_canvas = new TSGLCanvas(g_pFrame, wxID_ANY,wxDefaultPosition, wxSize(800, 600)); // Show the frame g_pFrame->Show(true); return g_pFrame; } /*------------------------------------------------------------------ Application object ( equivalent to main() ) ------------------------------------------------------------------ */ IMPLEMENT_APP(TSApp) bool TSApp::OnInit() { // Create the main frame window (void) TSFrame::Create(); return true; }