void Camera::calcInverseView() const
{
if( ! mModelViewCached ) calcViewMatrix();
mInverseModelViewMatrix = glm::inverse( mViewMatrix );
mInverseModelViewCached = true;
}
/**
* CProjector::setDirection
* @date Modified Jun 05, 2006
*/
void CProjector::setDirection(D3DXVECTOR3& vDir)
{
m_vAt = vDir;
D3DXVECTOR3 vRight;
D3DXVec3Normalize(&vRight, D3DXVec3Cross(&vRight, &m_vWorldUp, &vDir));
D3DXVec3Normalize(&m_vUp, D3DXVec3Cross(&m_vUp, &vRight, &vDir));
calcViewMatrix();
}
void Camera::calcMatrices() const
{
if( ! mModelViewCached ) calcViewMatrix();
if( ! mProjectionCached ) calcProjection();
// note: calculation of the inverse modelview matrices is postponed until actually requested
//if( ! mInverseModelViewCached ) calcInverseModelView();
}
void CameraStereo::calcInverseView() const
{
if( ! mModelViewCached ) calcViewMatrix();
mInverseModelViewMatrix = glm::affineInverse( mViewMatrix );
mInverseModelViewMatrixLeft = glm::affineInverse( mViewMatrixLeft );
mInverseModelViewMatrixRight = glm::affineInverse( mViewMatrixRight );
mInverseModelViewCached = true;
}
const mat4& CameraStereo::getViewMatrix() const
{
if( ! mModelViewCached )
calcViewMatrix();
if( ! mIsStereo )
return mViewMatrix;
else if( mIsLeft )
return mViewMatrixLeft;
else
return mViewMatrixRight;
}
/**
* CProjector::CProjector
* @date Modified Jun 05, 2006
*/
CProjector::CProjector(void) : m_pTexture(NULL), m_vUp(m_vWorldUp), m_vAt(0,0,1),
m_vPos(0,0,0)
{
D3DXMatrixIdentity(&m_mView);
D3DXMatrixIdentity(&m_mProjection);
// Calculate Proj. Matrix
CRenderSystem* pRen = CRenderSystem::getInstancePtr();
float fAspect = (float)pRen->getDisplayWidth() / (float)pRen->getDisplayHeight();
D3DXMatrixPerspectiveFovLH(&m_mProjection, D3DX_PI / 4, fAspect, 0.09f, 5.0f);
// Calculate View matrix, and initialize frustum.
calcViewMatrix();
}
void CSulIntersectionWithCamera::setDirection( const osg::Vec3& dir )
{
m_dir = dir;
calcViewMatrix();
}
void CSulIntersectionWithCamera::setPosition( const osg::Vec3& pos )
{
m_pos = pos;
calcViewMatrix();
}
/**
* CProjector::setPosition
* @date Modified Jun 05, 2006
*/
void CProjector::setPosition(D3DXVECTOR3& vPos)
{
m_vPos = vPos;
calcViewMatrix();
}
Eigen::Matrix4d View::calcFullMatrix()
{
return calcViewMatrix() * calcModelMatrix();
}
