void PlayAnimation()
{
MSG main_msg;
g_StartTime = 0;
ZeroMemory(&main_msg, sizeof(main_msg));
while (main_msg.message != WM_QUIT)
{
if (::PeekMessage(&main_msg, NULL, 0, 0, PM_NOREMOVE))
{
if (::GetMessage(&main_msg, NULL, 0, 0))
{
::TranslateMessage(&main_msg);
::DispatchMessage(&main_msg);
}
}
if (!g_StartTime)
g_StartTime = GetTickCount();
float time = (float)(GetTickCount() - g_StartTime)/1000.0f;
if (time>=(g_Scene.dwFrameStop-g_Scene.dwFrameStart+1)/33.3f)
g_StartTime = GetTickCount();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
g_Scene.RenderFrame( 33.3f*time );
SwapBuf();
}
}
void CMyWindow::OnIdle()
{
static float rotate = 0.0f;
static DWORD prev = GetTickCount();
DWORD time, span;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glClearColor(1, 1, 1, 1);
glEnable(GL_DEPTH_TEST);
//glEnable(GL_CULL_FACE);
//glCullFace(GL_CW);
glEnable(GL_BLEND);
glEnable(GL_POLYGON_SMOOTH);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glShadeModel(GL_SMOOTH);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glBegin(GL_TRIANGLES);
{
glColor3f(0.3f, 0.3f, 0.3f);
glVertex3f(0.0f, 1.0f, 0.8f);
glColor3f(0.3f, 0.3f, 0.3f);
glVertex3f(-0.7f, -0.87f, 0.8f);
glColor3f(0.3f, 0.3f, 0.3f);
glVertex3f(0.7f, -0.87f, 0.8f);
}
glEnd();
glRotatef(rotate, 0.8f, 1, 0.5f);
time = GetTickCount();
span = time - prev;
if (span >= 100)
{
rotate += 0.0125f * (span / 100);
prev += span % 100;
}
struct Vertex
{
float vertex[3];
float color[4];
};
static Vertex data[] = {
{ { -0.5f, 0.5f, -0.5f }, { 0.0f, 0.0f, 1.0f, 0.6f } },
{ { 0.5f, 0.5f, -0.5f }, { 0.0f, 1.0f, 0.0f, 0.6f } },
{ { 0.5f, 0.5f, 0.5f }, { 0.0f, 1.0f, 1.0f, 0.6f } },
{ { -0.5f, 0.5f, 0.5f }, { 1.0f, 0.0f, 0.0f, 0.6f } },
{ { -0.5f, -0.5f, -0.5f }, { 1.0f, 0.0f, 1.0f, 0.6f } },
{ { 0.5f, -0.5f, -0.5f }, { 1.0f, 1.0f, 0.0f, 0.6f } },
{ { 0.5f, -0.5f, 0.5f }, { 1.0f, 1.0f, 1.0f, 0.6f } },
{ { -0.5f, -0.5f, 0.5f }, { 0.0f, 0.0f, 0.0f, 0.6f } }
};
static int index[][3] = {
{ 3, 1, 0 },
{ 2, 1, 3 },
{ 0, 5, 4 },
{ 1, 5, 0 },
{ 3, 4, 7 },
{ 0, 4, 3 },
{ 1, 6, 5 },
{ 2, 6, 1 },
{ 2, 7, 6 },
{ 3, 7, 2 },
{ 6, 4, 5 },
{ 7, 4, 6 }
};
for (int *ar : index)
{
glBegin(GL_TRIANGLES);
{
for (int *p = ar; p < ar + 3; p++)
{
glColor4fv(data[*p].color);
glVertex3fv(data[*p].vertex);
}
}
glEnd();
}
SwapBuf();
TCHAR buf[1024];
wsprintf(buf, L"FPS : %u", GetFPS());
HDC hdc = GetDC(*this);
TextOut(hdc, 0, 0, buf);
ReleaseDC(*this, hdc);
unsigned fps = CalcFPS();
//if (fps >= 300)
// Sleep(1);
}
