/*!****************************************************************************
@Function RenderScene
@Return bool true if no error occured
@Description Main rendering loop function of the program. The shell will
call this function every frame.
eglSwapBuffers() will be performed by PVRShell automatically.
PVRShell will also manage important OS events.
Will also manage relevent OS events. The user has access to
these events through an abstraction layer provided by PVRShell.
******************************************************************************/
bool OGLESFur::RenderScene()
{
// Reset the states that print3D changes
glDisable(GL_CULL_FACE);
glEnable(GL_FOG);
glEnable(GL_LIGHT0);
glEnable(GL_LIGHTING);
glEnable(GL_DEPTH_TEST);
// User input
bool bNewPage = false;
if(PVRShellIsKeyPressed(PVRShellKeyNameSELECT))
m_bPause = !m_bPause;
if(PVRShellIsKeyPressed(PVRShellKeyNameLEFT))
{
if(--m_i32WndPage < 0)
m_i32WndPage = 5;
bNewPage = true;
}
if(PVRShellIsKeyPressed(PVRShellKeyNameRIGHT))
{
if(++m_i32WndPage > 5)
m_i32WndPage = 0;
bNewPage = true;
}
if(bNewPage)
{
switch(m_i32WndPage)
{
case 0:
m_bViewMode = false;
m_i32FurShellNo = 7;
break;
case 1:
m_bViewMode = true;
m_i32FurShellNo = 0;
break;
case 2:
m_bViewMode = true;
m_i32FurShellNo = 1;
break;
case 3:
m_bViewMode = true;
m_i32FurShellNo = 2;
break;
case 4:
m_bViewMode = true;
m_i32FurShellNo = 7;
break;
case 5:
m_bViewMode = false;
m_i32FurShellNo = 7;
break;
}
// Since the number of fur shells has changed, update them
UpdateFurShells();
}
// Clear
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Animation
DoAnimation();
// View matrix
glMatrixMode(GL_MODELVIEW);
myglLoadMatrix(m_mView.f);
// Enable the vertex and normal arrays
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
// Begin Scene
if(!m_bViewMode)
DrawEnvironment();
// Draw the Duck
DrawDuck();
// Display the information window if required
if(m_bWndRender)
m_Print3D.DisplayWindow(m_ui32WindowID[m_i32WndPage]);
// Display Paused if the app is paused
if(m_bPause)
m_Print3D.Print3D(78.0f, 2.0f, 1.0f, PVRTRGBA(255,255,255,255), "Paused");
// Display the IMG logo
m_Print3D.DisplayDefaultTitle(NULL, NULL, ePVRTPrint3DSDKLogo);
m_Print3D.Flush();
return true;
}
