Dvoid Camera::Yaw()
{
if (m_MouseMoveInterval.x == 0)
return;
m_bMove = true;
Matrix44 matRot;
Vector3 vUp(0, 1, 0);
float fAngle = m_MouseMoveInterval.x * m_fMouseSens * m_fTimeDelta;
matRot.Rotation(vUp, fAngle);
for (Duint i = 0; i < CD_MAX; ++i)
{
m_vDir[i] = Vec4ToVec3(matRot * Vector4(m_vDir[i], 0), Vector4::W_IGNORE);
m_vDir[i].Normalize();
}
}
Dvoid Camera::Pitch()
{
if ( m_MouseMoveInterval.y == 0)
return;
m_bMove = true;
Matrix44 matRot;
float fAngle = m_MouseMoveInterval.y * m_fMouseSens * m_fTimeDelta;
matRot.Rotation( m_vDir[CD_RIGHT], fAngle );
// Right축을 제외한 축을 변환한다.
for ( Duint i = 0; i < CD_MAX; ++i )
{
if (i == CD_RIGHT) continue;
m_vDir[i] = Vec4ToVec3(matRot * Vector4(m_vDir[i], 0), Vector4::W_IGNORE);
m_vDir[i].Normalize();
}
}
//world -> view
Matrix44 TransformHelper::CreateView(const Vector3& eye, const Vector3& lookAt, const Vector3& up)
{
// compute view vectors
Vector3 view = lookAt - eye;
Vector3 right;
Vector3 viewUp;
view.Normalize();
right = view.Cross(up);
right.Normalize();
viewUp = right.Cross(view);
viewUp.Normalize();
// now set up matrices
// base rotation matrix
Matrix33 rotate;
rotate.SetColumns(right, viewUp, -view);
// view->world transform
// set rotation
//Matrix44 mViewToWorldMatrix;
//mViewToWorldMatrix.Rotation(rotate);
//// set translation (eye position)
//mViewToWorldMatrix(0, 3) = eye.x;
//mViewToWorldMatrix(1, 3) = eye.y;
//mViewToWorldMatrix(2, 3) = eye.z;
// world->view transform
// set rotation
Matrix44 mWorldToViewMatrix;
rotate.Transpose();
mWorldToViewMatrix.Rotation(rotate);
// set translation (rotate into view space)
Vector3 invEye = -(rotate*eye);
mWorldToViewMatrix(0, 3) = invEye.x;
mWorldToViewMatrix(1, 3) = invEye.y;
mWorldToViewMatrix(2, 3) = invEye.z;
return mWorldToViewMatrix;
}