// From <https://www.opengl.org/wiki/Programming_OpenGL_in_Linux:_GLX_and_Xlib>
int main(int argc, char** argv){
Initialised = false;
StartTime = GetClock();
double time;
Display* dpy;
Window root;
XVisualInfo* vi;
Colormap cmap;
XSetWindowAttributes swa;
Window win;
GLXContext glc;
XWindowAttributes gwa;
XEvent xev;
GLint att[] = {GLX_RGBA, GLX_DEPTH_SIZE, 24, GLX_DOUBLEBUFFER, None};
dpy = XOpenDisplay(0);
if(dpy == 0){
printf("\n\tcannot connect to X server\n\n");
return 1;
}
root = DefaultRootWindow(dpy);
vi = glXChooseVisual(dpy, 0, att);
if(vi == 0){
printf("\n\tno appropriate visual found\n\n");
return 1;
}else{
// %p creates hexadecimal output like in glxinfo
printf("\n\tvisual %p selected\n", (void*)vi->visualid);
}
cmap = XCreateColormap(dpy, root, vi->visual, AllocNone);
swa.colormap = cmap;
swa.event_mask = ExposureMask | KeyPressMask;
win = XCreateWindow(
dpy,
root,
0, 0, 640, 480, 0,
vi->depth,
InputOutput,
vi->visual,
CWColormap | CWEventMask,
&swa
);
XMapWindow(dpy, win);
XStoreName(dpy, win, "OpenGL Sample");
glc = glXCreateContext(dpy, vi, 0, GL_TRUE);
glXMakeCurrent(dpy, win, glc);
if(!InitGLEW()){
glXMakeCurrent (dpy, None, 0);
glXDestroyContext(dpy, glc);
XDestroyWindow (dpy, win);
XCloseDisplay (dpy);
return 1;
}
if(!LoadShader ("OpenGL/Texture.vp", "OpenGL/Texture.fp")) return 1;
if(!LoadTexture("Pic/greatwall.jpg")) return 1;
Initialised = true;
bool running = true;
while(running){
while(XCheckWindowEvent(dpy, win, 0xFFFFFFFF, &xev)){
switch(xev.type){
case Expose:
XGetWindowAttributes(dpy, win, &gwa);
Render(gwa.width, gwa.height);
glXSwapBuffers(dpy, win);
break;
case KeyPress:
// printf("KeyPress: keycode %u state %u\n", xev.xkey.keycode, xev.xkey.state);
if(xev.xkey.keycode == Key_Escape) running = false;
else OnKeyDown(xev.xkey.keycode);
break;
}
}
XGetWindowAttributes(dpy, win, &gwa);
Render(gwa.width, gwa.height);
glXSwapBuffers(dpy, win);
RenderTime(GetClock()-time);
time = GetClock();
usleep(1000);
}
glXMakeCurrent (dpy, None, 0);
glXDestroyContext(dpy, glc);
XDestroyWindow (dpy, win);
XCloseDisplay (dpy);
free(InputBuffer );
free(OutputBuffer);
return 0;
}
//**************渲染道具函数*************************
void Props::RenderProps ()
{
std ::list <PROPS >::iterator i;
for(i=_allprops.begin ();i!=_allprops.end ();i++)
{
if(i->_isalive==true)
{
//设置世界变换
D3DXMATRIX position,scaling,V;
D3DXMatrixScaling(&scaling,0.5f,0.3f,0.5f);
D3DXMatrixTranslation(&position,i->_position.x ,i->_position.y ,i->_position.z);
position=scaling*position;
Camera.SetViewMatrix(&V);
if(i->_id==1)
{
prop1->RanderBorad ( &V,position);
}
if(i->_id==2)
{
prop2->RanderBorad (&V,position);
}
if(i->_id==3)
{
prop3->RanderBorad(&V,position);
}
if(i->_id==4)
{
D3DXMatrixScaling(&scaling,1.0f,1.0f,1.0f);
position=scaling*position;
prop4->RanderBorad (&V,position);
}
switch (i->_id)
{
case 5:
{
prop5TimeExit +=0.1;
if(prop5TimeLeft-(int)prop5TimeExit >0)
{
//指定时间出现的位置
RECT rect;
rect.left=400,rect.top=50,rect.right=800,rect.bottom=600;
//渲染时间
RenderTime(prop5TimeLeft-(int) prop5TimeExit,rect );
//渲染动态纹理
RenderDynaminc(prop5tex,position,V);
}
else //这里表示时间到了 没吃到那个道具
{
isaddscore=false; //表示没有吃到那个道具
i->_isalive=false; //道具消失
i->_timeHappen=0; //道具出现时间置零
prop5TimeExit=0; //道具5时间绘制置零
}
break;
}
case 6:
{
RenderDynaminc(prop6tex,position,V);
break;
}
case 7:
{
if(prop7TimeLeft-prop7TimeExit>0)
{
RenderDynaminc (prop7tex,position,V);
prop7TimeExit += 0.1;
}
else
{
prop7TimeExit =0;
i->_isalive=false;
i->_timeHappen=0;
}
break;
}
}
}
}
}
int WINAPI WinMain(
HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow
){
Initialised = false;
StartTime = GetClock();
double time = StartTime;
WNDCLASSEX wcex;
HGLRC hRC;
RECT rect;
MSG msg;
// register window class
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_OWNDC;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(0, IDI_APPLICATION);
wcex.hCursor = LoadCursor(0, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
wcex.lpszMenuName = 0;
wcex.lpszClassName = "GLSample";
wcex.hIconSm = LoadIcon(0, IDI_APPLICATION);;
if(!RegisterClassEx(&wcex)) return 0;
// create main window
hwnd = CreateWindowEx(
0,
"GLSample",
"OpenGL Sample",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
640, 480,
0,
0,
hInstance,
0
);
ShowWindow(hwnd, nCmdShow);
// enable OpenGL for the window
PIXELFORMATDESCRIPTOR pfd;
int iFormat;
// get the device context (DC)
hDC = GetDC(hwnd);
// set the pixel format for the DC
ZeroMemory(&pfd, sizeof(pfd));
pfd.nSize = sizeof(pfd);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = 24;
pfd.cDepthBits = 0;
pfd.iLayerType = PFD_MAIN_PLANE;
iFormat = ChoosePixelFormat(hDC, &pfd);
SetPixelFormat(hDC, iFormat, &pfd);
// create and enable the render context (RC)
hRC = wglCreateContext(hDC);
wglMakeCurrent(hDC, hRC);
if(!InitGLEW()){
wglMakeCurrent(0, 0);
wglDeleteContext(hRC);
ReleaseDC(hwnd, hDC);
DestroyWindow(hwnd);
return 1;
}
if(!LoadShader ("..\\OpenGL\\Texture.vp", "..\\OpenGL\\Texture.fp")) return 1;
if(!LoadTexture("..\\Pic\\greatwall.jpg")) return 1;
Initialised = true;
Initialised = true;
// program main loop
while(true){
while(PeekMessage(&msg, 0, 0, 0, PM_REMOVE)){
if(msg.message == WM_QUIT) break;
TranslateMessage(&msg);
DispatchMessage (&msg);
}
if(msg.message == WM_QUIT) break;
GetClientRect(hwnd, &rect);
Render(rect.right, rect.bottom);
SwapBuffers(hDC);
RenderTime(GetClock()-time);
time = GetClock();
Sleep(1);
}
wglMakeCurrent(0, 0);
wglDeleteContext(hRC);
ReleaseDC(hwnd, hDC);
DestroyWindow(hwnd);
free(InputBuffer );
free(OutputBuffer);
return msg.wParam;
}