Kisaragi_Lib::Matrix2D クラス

#include <Matrix2D.hpp>

公開メンバ関数
	Matrix2D ()
	Matrix2D (Matrix2DType _type)
void	ZeroClear ()
void	ObjectInit ()
Point2D< double >	Position ()
double	Rotation ()
	回転をラジアン値で返す
Point2D< double >	Scale ()
void	operator*= (Matrix2D _mat)
Matrix2D	operator* (Matrix2D _mat)
Matrix2D	operator* (double scalar)
const Matrix2D &	operator*= (double scalar)
Matrix2D	CreateMoveMatrix ()
Matrix2D	CreateRotaMatrix ()
Matrix2D	CreateScaleMatrix ()
Matrix2D	CreateInverseMoveMatrix ()
Matrix2D	CreateInverseRotaMatrix ()
Matrix2D	CreateInverseScaleMatrix ()
Matrix2D	CreateInverseTransformationMatrix ()
template<class T>
void	AxisAlignedTranslation (T _x, T _y)
	X軸、Y軸に平行移動する 回転の影響を受けない.
template<class T>
void	SetAxisAlignedTranslation (T _x, T _y)
	X軸、Y軸に平行な座標をセットする 回転、拡大の影響を受けない

静的公開メンバ関数
static Matrix2D	CreateMoveMatrix (double _x, double _y)
static Matrix2D	CreateRotaMatrix (double _angle)
static Matrix2D	CreateScaleMatrix (double _x, double _y)
static Matrix2D	CreateScaleMatrix (Scale2D< double > _scale)
static Matrix2D	CreateInverseMoveMatrix (Point2D< double > _pos)
template<class T>
static Matrix2D	CreateInverseRotaMatrix (T _rotation)
template<class T>
static Matrix2D	CreateInverseScaleMatrix (Scale2D< T > _scale)

非公開変数類
array< array< double, 3 >, 3 >	matrix

構築子と解体子

Matrix2D() [1/2]

Kisaragi_Lib::Matrix2D::Matrix2D ( )

inline

        {
            ZeroClear();
        }

参照元 CreateInverseMoveMatrix(), CreateInverseMoveMatrix(), CreateInverseRotaMatrix(), CreateInverseRotaMatrix(), CreateInverseScaleMatrix(), CreateInverseScaleMatrix(), CreateInverseTransformationMatrix(), CreateMoveMatrix(), CreateMoveMatrix(), CreateRotaMatrix(), CreateRotaMatrix(), CreateScaleMatrix(), CreateScaleMatrix(), CreateScaleMatrix(), operator*(), operator*(), operator*=(), operator*=() (計18項目).

Matrix2D() [2/2]

Kisaragi_Lib::Matrix2D::Matrix2D ( Matrix2DType _type )

inline

        {
            switch (_type)
            {
            case Kisaragi_Lib::ZERO_CLEAR:
                ZeroClear();
                break;
 
            case Kisaragi_Lib::IDENTITY_MATRIX:
                ObjectInit();
                break;
            default:
                break;
            }
 
        }

関数詳解

ZeroClear()

void Kisaragi_Lib::Matrix2D::ZeroClear ( )

inline

        {
            //0で初期化する
            for (int i = 0; i < 3; i++)
            {
                for (int j = 0; j < 3; j++)
                {
                    matrix[i][j] = 0;
                }
            }
        }

参照元 Matrix2D(), Matrix2D(), ObjectInit().

ObjectInit()

void Kisaragi_Lib::Matrix2D::ObjectInit ( )

inline

        {
            ZeroClear();
 
            //サイズとzを1にする
            for (int i = 0; i < 3; i++)
            {
                matrix[i][i] = 1;
            }
        }

参照元 Matrix2D().

Position()

Point2D< double > Kisaragi_Lib::Matrix2D::Position ( )

inline

        {
            return Point2D<double>(matrix[0][2], matrix[1][2]);
        }

参照元 CreateInverseMoveMatrix(), CreateMoveMatrix(), Kisaragi_Lib::ImgComponent::ImgCircle::Draw(), Kisaragi_Lib::ImgComponent::ImgGraph::Draw(), Kisaragi_Lib::ImgComponent::ImgLine::Draw(), Kisaragi_Lib::ImgComponent::ImgText::Draw(), Kisaragi_Lib::Polygon2D< T >::GetEdge().

Rotation()

double Kisaragi_Lib::Matrix2D::Rotation ( )

inline

回転をラジアン値で返す

戻り値

ラジアン値を返す

        {
            // atan2を使用して回転角度を取得
            return atan2(matrix[1][0], matrix[0][0]);
        }

参照元 CreateInverseRotaMatrix(), CreateRotaMatrix(), Kisaragi_Lib::ImgComponent::ImgGraph::Draw(), Kisaragi_Lib::ImgComponent::ImgText::Draw().

Scale()

Point2D< double > Kisaragi_Lib::Matrix2D::Scale ( )

inline

        {
            double tmpX, tmpY;
 
            tmpX = std::sqrt(Math::Pow(matrix[0][0],2) + Math::Pow(matrix[1][0], 2));
 
            tmpY = std::sqrt(Math::Pow(matrix[0][1], 2) + Math::Pow(matrix[1][1], 2));
 
            return Point2D<double>(tmpX, tmpY);
        }

参照元 CreateInverseScaleMatrix(), CreateScaleMatrix(), Kisaragi_Lib::ImgComponent::ImgCircle::Draw(), Kisaragi_Lib::ImgComponent::ImgGraph::Draw(), Kisaragi_Lib::ImgComponent::ImgText::Draw().

operator*=() [1/2]

void Kisaragi_Lib::Matrix2D::operator*= ( Matrix2D _mat )

inline

        {
            Matrix2D tmp(ZERO_CLEAR);
 
            for (int i = 0; i < 3; i++) 
            {
                for (int j = 0; j < 3; j++) 
                {
                    for (int k = 0; k < 3; k++) 
                    {
                        tmp.matrix[i][j] += matrix[i][k] * _mat.matrix[k][j];
                    }
                }
            }
 
            matrix = tmp.matrix;
        }

operator*() [1/2]

Matrix2D Kisaragi_Lib::Matrix2D::operator* ( Matrix2D _mat )

inline

        {
            Matrix2D tmp(ZERO_CLEAR);
 
            for (int i = 0; i < 3; i++)
            {
                for (int j = 0; j < 3; j++)
                {
                    for (int k = 0; k < 3; k++)
                    {
                        tmp.matrix[i][j] += matrix[i][k] * _mat.matrix[k][j];
                    }
                }
            }
 
            return tmp;
        }

operator*() [2/2]

Matrix2D Kisaragi_Lib::Matrix2D::operator* ( double scalar )

inline

        {
            Matrix2D result(*this); // 現在の行列をコピー
 
            // 行列の各要素にスカラーを掛ける
            for (int i = 0; i < 3; ++i)
            {
                for (int j = 0; j < 3; ++j)
                {
                    result.matrix[i][j] *= scalar;
                }
            }
 
            return result;
        }

operator*=() [2/2]

const Matrix2D & Kisaragi_Lib::Matrix2D::operator*= ( double scalar )

inline

        {
            // 行列の各要素にスカラーを掛ける
            for (int i = 0; i < 3; ++i)
            {
                for (int j = 0; j < 3; ++j)
                {
                    matrix[i][j] *= scalar;
                }
            }
 
            return *this;
        }

CreateMoveMatrix() [1/2]

static Matrix2D Kisaragi_Lib::Matrix2D::CreateMoveMatrix ( double _x, double _y )

inlinestatic

        {
            Matrix2D tmp(IDENTITY_MATRIX);
 
            tmp.matrix[0][2] = _x;
            tmp.matrix[1][2] = _y;
 
            return tmp;
        }

参照元 Kisaragi_Lib::RenderSystem::Drawing(), Kisaragi_Lib::BoxCollisionProcessor::Render().

CreateMoveMatrix() [2/2]

Matrix2D Kisaragi_Lib::Matrix2D::CreateMoveMatrix ( )

inline

        {
            Matrix2D tmp(IDENTITY_MATRIX);
 
            tmp.matrix[0][2] = Position().x;
            tmp.matrix[1][2] = Position().y;
 
            return tmp;
        }

参照元 CreateInverseMoveMatrix(), CreateInverseMoveMatrix(), Kisaragi_Lib::Polygon2D< T >::GetEdge(), Kisaragi_Lib::BoxCollisionProcessor::Render(), Player02::Update().

CreateRotaMatrix() [1/2]

static Matrix2D Kisaragi_Lib::Matrix2D::CreateRotaMatrix ( double _angle )

inlinestatic

        {
            Matrix2D tmp(ZERO_CLEAR);
 
            double cos = std::cos(_angle);
            double sin = std::sin(_angle);
 
            tmp.matrix[0][0] = cos;
            tmp.matrix[1][1] = cos;
 
            tmp.matrix[0][1] = -sin;
            tmp.matrix[1][0] = sin;
 
            tmp.matrix[2][2] = 1;
 
            return tmp;
        }

参照元 Kisaragi_Lib::RenderSystem::Drawing(), Kisaragi_Lib::BoxCollisionProcessor::Render().

CreateRotaMatrix() [2/2]

Matrix2D Kisaragi_Lib::Matrix2D::CreateRotaMatrix ( )

inline

        {
            Matrix2D tmp(ZERO_CLEAR);
 
            double cos = std::cos(Rotation());
            double sin = std::sin(Rotation());
 
            tmp.matrix[0][0] = cos;
            tmp.matrix[1][1] = cos;
 
            tmp.matrix[0][1] = -sin;
            tmp.matrix[1][0] = sin;
 
            tmp.matrix[2][2] = 1;
 
            return tmp;
        }

参照元 CreateInverseRotaMatrix(), CreateInverseRotaMatrix(), Kisaragi_Lib::Transform2D::Rotation2D::operator+=(), Kisaragi_Lib::Transform2D::Rotation2D::operator-=(), Kisaragi_Lib::Transform2D::Rotation2D::operator=().

CreateScaleMatrix() [1/3]

static Matrix2D Kisaragi_Lib::Matrix2D::CreateScaleMatrix ( double _x, double _y )

inlinestatic

        {
            //0以下にはなりません
            assert(_x > 0);
            assert(_y > 0);
 
            Matrix2D tmp(ZERO_CLEAR);
 
            tmp.matrix[0][0] = _x;
            tmp.matrix[1][1] = _y;
            tmp.matrix[2][2] = 1;
 
            return tmp;
        }

参照元 Kisaragi_Lib::RenderSystem::Drawing(), Kisaragi_Lib::BoxCollisionProcessor::Render().

CreateScaleMatrix() [2/3]

static Matrix2D Kisaragi_Lib::Matrix2D::CreateScaleMatrix ( Scale2D< double > _scale )

inlinestatic

        {
            //0以下にはなりません
            assert(_scale.x > 0);
            assert(_scale.y > 0);
 
            Matrix2D tmp(ZERO_CLEAR);
 
            tmp.matrix[0][0] = _scale.x;
            tmp.matrix[1][1] = _scale.y;
            tmp.matrix[2][2] = 1;
 
            return tmp;
        }

CreateScaleMatrix() [3/3]

Matrix2D Kisaragi_Lib::Matrix2D::CreateScaleMatrix ( )

inline

        {
            //0以下にはなりません
            assert(Scale().x > 0);
            assert(Scale().y > 0);
 
            Matrix2D tmp(ZERO_CLEAR);
 
            tmp.matrix[0][0] = Scale().x;
            tmp.matrix[1][1] = Scale().y;
            tmp.matrix[2][2] = 1;
 
            return tmp;
        }

参照元 CreateInverseScaleMatrix(), CreateInverseScaleMatrix(), Kisaragi_Lib::Transform2D::Scale2D::operator+=(), Kisaragi_Lib::Transform2D::Scale2D::operator-=(), Kisaragi_Lib::Transform2D::Scale2D::operator=().

CreateInverseMoveMatrix() [1/2]

Matrix2D Kisaragi_Lib::Matrix2D::CreateInverseMoveMatrix ( )

inline

        {
            Matrix2D tmp(IDENTITY_MATRIX);
            tmp *= Matrix2D::CreateMoveMatrix(Position().x * -1, Position().y * -1);
 
            return tmp;
        }

参照元 CreateInverseTransformationMatrix().

CreateInverseMoveMatrix() [2/2]

static Matrix2D Kisaragi_Lib::Matrix2D::CreateInverseMoveMatrix ( Point2D< double > _pos )

inlinestatic

        {
            Matrix2D tmp(IDENTITY_MATRIX);
            tmp *= Matrix2D::CreateMoveMatrix(_pos.x * -1, _pos.y * -1);
 
            return tmp;
        }

CreateInverseRotaMatrix() [1/2]

Matrix2D Kisaragi_Lib::Matrix2D::CreateInverseRotaMatrix ( )

inline

        {
            Matrix2D tmp(IDENTITY_MATRIX);
            tmp *= Matrix2D::CreateRotaMatrix(Rotation() * -1);
 
            return tmp;
        }

参照元 CreateInverseTransformationMatrix().

CreateInverseRotaMatrix() [2/2]

template<class T>

static Matrix2D Kisaragi_Lib::Matrix2D::CreateInverseRotaMatrix ( T _rotation )

inlinestatic

        {
            Matrix2D tmp(IDENTITY_MATRIX);
            tmp *= Matrix2D::CreateRotaMatrix(_rotation * -1);
 
            return tmp;
        }

CreateInverseScaleMatrix() [1/2]

Matrix2D Kisaragi_Lib::Matrix2D::CreateInverseScaleMatrix ( )

inline

        {
            Matrix2D tmp(IDENTITY_MATRIX);
            tmp *= Matrix2D::CreateScaleMatrix(1 / Scale().x, 1 / Scale().y);
 
            return tmp;
        }

参照元 CreateInverseTransformationMatrix().

CreateInverseScaleMatrix() [2/2]

template<class T>

static Matrix2D Kisaragi_Lib::Matrix2D::CreateInverseScaleMatrix ( Scale2D< T > _scale )

inlinestatic

        {
            Matrix2D tmp(IDENTITY_MATRIX);
            tmp *= Matrix2D::CreateScaleMatrix(1 / _scale.x, 1 / _scale.y);
 
            return tmp;
        }

CreateInverseTransformationMatrix()

Matrix2D Kisaragi_Lib::Matrix2D::CreateInverseTransformationMatrix ( )

inline

        {
            Matrix2D tmp(IDENTITY_MATRIX);
 
            // 移動の逆行列
            tmp *= CreateInverseMoveMatrix();
 
            // 回転の逆行列
            tmp *= CreateInverseRotaMatrix();
 
            // スケーリングの逆行列
            tmp *= CreateInverseScaleMatrix();
 
            return tmp;
        }

参照元 Kisaragi_Lib::CameraComponent::GetCamMatrix().

AxisAlignedTranslation()

template<class T>

void Kisaragi_Lib::Matrix2D::AxisAlignedTranslation ( T _x, T _y )

inline

X軸、Y軸に平行移動する 回転の影響を受けない.

テンプレート引数

T

引数

_x
_y

        {
            matrix[0][2] += _x;
            matrix[1][2] += _y;
        }

SetAxisAlignedTranslation()

template<class T>

void Kisaragi_Lib::Matrix2D::SetAxisAlignedTranslation ( T _x, T _y )

inline

X軸、Y軸に平行な座標をセットする 回転、拡大の影響を受けない

テンプレート引数

T

引数

_x
_y

        {
            matrix[0][2] = _x;
            matrix[1][2] = _y;
        }

メンバ詳解

matrix

array<array<double, 3>, 3> Kisaragi_Lib::Matrix2D::matrix

private

参照元 AxisAlignedTranslation(), CreateMoveMatrix(), CreateMoveMatrix(), CreateRotaMatrix(), CreateRotaMatrix(), CreateScaleMatrix(), CreateScaleMatrix(), CreateScaleMatrix(), ObjectInit(), operator*(), operator*(), operator*=(), operator*=(), Position(), Rotation(), Scale(), SetAxisAlignedTranslation(), ZeroClear() (計18項目).

---

このクラス詳解は次のファイルから抽出されました:

• Matrix2D.hpp