void Matrix44::SetView( const Vector3& pos, const Vector3& dir0, const Vector3& up0 )
{
Vector3 vDir;
Vector3 vUp;
Vector3 vCross;
vDir = dir0.Normal();
vCross = up0.CrossProduct( vDir );
vCross.Normalize();
vUp = vDir.CrossProduct( vCross );
_11 = vCross.x;
_12 = vUp.x;
_13 = vDir.x;
_14 = 0.0f;
_21 = vCross.y;
_22 = vUp.y;
_23 = vDir.y;
_24 = 0.0f;
_31 = vCross.z;
_32 = vUp.z;
_33 = vDir.z;
_34 = 0.0f;
_41 = -pos.DotProduct( vCross );
_42 = -pos.DotProduct( vUp );
_43 = -pos.DotProduct( vDir );
_44 = 1.0f;
}
//---------------------------
//
//---------------------------
void Matrix44::SetView( const Vector3& vPos, const Vector3& vDir_, const Vector3& vUp_ )
{
Vector3 vDir;
Vector3 vUp;
Vector3 vCross;
vDir = vDir_.Normal();
vCross = vUp_.CrossProduct( vDir );
vCross.Normalize();
vUp = vDir.CrossProduct( vCross );
_11 = vCross.x;
_12 = vUp.x;
_13 = vDir.x;
_14 = 0.0F;
_21 = vCross.y;
_22 = vUp.y;
_23 = vDir.y;
_24 = 0.0F;
_31 = vCross.z;
_32 = vUp.z;
_33 = vDir.z;
_34 = 0.0F;
_41 = -vPos.DotProduct( vCross );
_42 = -vPos.DotProduct( vUp );
_43 = -vPos.DotProduct( vDir );
_44 = 1.0F;
} //Matrix44::SetView
float Vector3::EulerAngle(const Vector3 &a_Term)
{
Vector3 VectorA = (*this).Normal();
Vector3 VectorB = a_Term;
VectorB = VectorB.Normal();
float fEuler = acos((VectorA).DotProduct(VectorB));
return fEuler;
}
cLightManager::cLightManager()
{
m_lights.reserve(4);
// 기본 방향성 조명 추가. index = 0;
cLight mainLight;
mainLight.Init(cLight::LIGHT_DIRECTIONAL);
const Vector3 lightPos(300,300,-300);
mainLight.SetPosition(lightPos);
mainLight.SetDirection(-lightPos.Normal());
AddLight(mainLight);
}
//---------------------------
//
//---------------------------
void Matrix44::SetRotation( const Vector3& vINAxis, const float fAngle )
{
Vector3 vAxis = vINAxis.Normal();
float fCos = cosf( fAngle );
float fSin = sinf( fAngle );
_11 = ( vAxis.x * vAxis.x ) * ( 1.0F - fCos ) + fCos;
_12 = ( vAxis.x * vAxis.y ) * ( 1.0F - fCos ) - ( vAxis.z * fSin );
_13 = ( vAxis.x * vAxis.z ) * ( 1.0F - fCos ) + ( vAxis.y * fSin );
_21 = ( vAxis.y * vAxis.x ) * ( 1.0F - fCos ) + ( vAxis.z * fSin );
_22 = ( vAxis.y * vAxis.y ) * ( 1.0F - fCos ) + fCos;
_23 = ( vAxis.y * vAxis.z ) * ( 1.0F - fCos ) - ( vAxis.x * fSin );
_31 = ( vAxis.z * vAxis.x ) * ( 1.0F - fCos ) - ( vAxis.y * fSin );
_32 = ( vAxis.z * vAxis.y ) * ( 1.0F - fCos ) + ( vAxis.x * fSin );
_33 = ( vAxis.z * vAxis.z ) * ( 1.0F - fCos ) + fCos;
_14 = _24 = _34 = 0.0F;
_41 = _42 = _43 = 0.0F;
_44 = 1.0F;
} //Matrix44::SetRotation
//---------------------------
//
//---------------------------
void Matrix44::SetWorld( const Vector3& vPos, const Vector3& vINDir, const Vector3& vINUp )
{
Vector3 vDir = vINDir.Normal();
Vector3 vCross = vINUp.CrossProduct( vDir ).Normal();
Vector3 vUp = vDir.CrossProduct( vCross );
_11 = vCross.x;
_12 = vCross.y;
_13 = vCross.z;
_14 = 0.0F;
_21 = vUp.x;
_22 = vUp.y;
_23 = vUp.z;
_24 = 0.0F;
_31 = vDir.x;
_32 = vDir.y;
_33 = vDir.z;
_34 = 0.0F;
_41 = vPos.x;
_42 = vPos.y;
_43 = vPos.z;
_44 = 1.0F;
} //Matrix44::SetWorld
