C++ (Cpp) Matrix44::GetQuaternion示例

示例#1

文件： Vector3.cpp 项目： gabrielarabelo/KarlSims

//-------------------------------
//
//-------------------------------
void Vector3::GetQuaternion( Quaternion& qRot )
{
	Vector3		vDir;
	vDir.x = x;
	vDir.y = y;
	vDir.z = z;
	vDir.Normalize();
	vDir *= -1;

	Matrix44		matWorld;
	matWorld.SetWorld( Vector3( 0.0F, 0.0F, 0.0F ), vDir, Vector3( 0.0F, 0.0F, 1.0F ) );

	qRot = matWorld.GetQuaternion();	
} //Vector3::GetQuaternion

示例#2

文件： Vector3.cpp 项目： gabrielarabelo/KarlSims

//-------------------------------
//
//-------------------------------
Quaternion Vector3::GetQuaternion()
{
	Vector3	vDummy;
	vDummy.x = x;
	vDummy.y = y;
	vDummy.z = z;

	if( x == 0 && y == 0 )
	{
		Quaternion qRot;
		qRot.SetRotationZ( ANGLE( 0 ) );
		return qRot;
	} //if

	vDummy.Normalize();
	vDummy *= -1;

	Matrix44	matWorld;
	matWorld.SetWorld( vInit, vDummy, vUp );

	return matWorld.GetQuaternion();
} //Vector3::GetQuaternion

示例#3

文件： Quaternion.cpp 项目： jjuiddong/Dx3D-Study

//--------------------------------
//
//--------------------------------
void Quaternion::SetOrientation( const Vector3& vDir, const Vector3& vUp )
{
    Matrix44 matWorld;
    matWorld.SetWorld( Vector3( 0.0F, 0.0F, 0.0F ), vDir, vUp );
    *this = matWorld.GetQuaternion();
} //Quaternion::SetOrientation