void CCCameraBase::update()
{
#if defined PROFILEON
CCProfiler profile( "CCCameraBase::update()" );
#endif
if( updatedPosition )
{
updatedPosition = false;
}
if( updateFOV )
{
updateFOV = false;
scanFOVBounds();
}
CCMatrixLoadIdentity( modelViewMatrix );
if( frameBufferID == -1 )
{
CCMatrixRotate( modelViewMatrix, CCAppManager::GetOrientation().current, 0.0f, 0.0f, 1.0f );
}
GluLookAt( modelViewMatrix,
rotatedPosition.x, rotatedPosition.y, rotatedPosition.z, // Position
lookAt.x, lookAt.y, lookAt.z, // Looking At
0.0f, 1.0f, 0.0f ); // Up
GLSetPushMatrix( modelViewMatrix );
ExtractFrustum();
updateVisibleObjects();
}
void CCCameraBase::update()
{
#if defined PROFILEON
CCProfiler profile( "CCCameraBase::update()" );
#endif
if( updatedPosition )
{
updatedPosition = false;
}
if( updateFOV )
{
updateFOV = false;
scanFOVBounds();
}
CCMatrixLoadIdentity( modelViewMatrix );
CCMatrixRotate( modelViewMatrix, gEngine->renderer->orientation.current, 0.0f, 0.0f, 1.0f );
GluLookAt( modelViewMatrix,
rotatedPosition.x, rotatedPosition.y, rotatedPosition.z, // Position
lookAt.x, lookAt.y, lookAt.z, // Looking At
0.0f, 1.0f, 0.0f ); // Up
GLSetPushMatrix( modelViewMatrix );
ExtractFrustum();
updateVisibleObjects();
}
void CCCameraBase::scanFOVBounds()
{
for( uint i=0; i<max_fov_scans; ++i )
{
if( i == scan_flat )
{
CCMatrixLoadIdentity( modelViewMatrix );
CCMatrixRotate( modelViewMatrix, CCAppManager::GetOrientation().current, 0.0f, 0.0f, 1.0f );
GluLookAt( modelViewMatrix,
position.x, position.y, position.z, // Position
lookAt.x, lookAt.y, lookAt.z, // Looking At
0.0f, 1.0f, 0.0f ); // Up
}
static CCVector3 minPlane, maxPlane;
project3DZ( &minPlane, 0.0f, 1.0f );
project3DZ( &maxPlane, 1.0f, 0.0f );
FOVBounds &bounds = fovBounds[i];
bounds.size.x = fabsf( maxPlane.x - minPlane.x );
bounds.size.y = fabsf( maxPlane.y - minPlane.y );
bounds.min.x = minPlane.x;
bounds.min.y = minPlane.y;
bounds.max.x = maxPlane.x;
bounds.max.y = maxPlane.y;
}
}
void CCCameraBase::scanFOVBounds()
{
for( uint i=0; i<max_fov_scans; ++i )
{
if( i == scan_flat )
{
CCMatrixLoadIdentity( modelViewMatrix );
CCMatrixRotate( modelViewMatrix, gEngine->renderer->orientation.current, 0.0f, 0.0f, 1.0f );
GluLookAt( modelViewMatrix,
position.x, position.y, position.z, // Position
lookAt.x, lookAt.y, lookAt.z, // Looking At
0.0f, 1.0f, 0.0f ); // Up
}
static CCVector3 minPlane, maxPlane;
project3DZ( &minPlane, 0.0f, 1.0f );
project3DZ( &maxPlane, 1.0f, 0.0f );
FOVScan &fovScan = fovScans[i];
fovScan.size.x = fabsf( maxPlane.x - minPlane.x );
fovScan.size.y = fabsf( maxPlane.y - minPlane.y );
fovScan.min.x = minPlane.x;
fovScan.min.y = minPlane.y;
fovScan.max.x = maxPlane.x;
fovScan.max.y = maxPlane.y;
}
}
