太さのある線を表す図形クラス. More...

#include <Line.h>

Public Member Functions
	Line (double X中心座標, double Y中心座標, double 角度, double 長さ, double 太さ)
	コンストラクタ. More...

	Line (double X中心座標, double Y中心座標, double 角度, double 前方長さ, double 後方長さ, double 太さ)
	コンストラクタ. More...

virtual IShape *	Clone (double X座標, double Y座標) const override
	同じ形の図形を作る. More...

double	GetX () const override
	X座標を取得. More...

double	GetY () const override
	Y座標を取得. More...

double	GetW () const override
	幅を取得. More...

double	GetH () const override
	高さを取得. More...

void	SetPos (double X座標, double Y座標) override
	指定座標に移動. More...

void	MultiZoom (double X倍率, double Y倍率) override
	縦横別で拡大率を掛け算する. More...

void	Rotate (double 回転する角度) override
	回転する. More...

void	Move (double X移動量, double Y移動量) override
	相対座標で移動. More...

void	Draw (const Color &描画色) const override
	描画する. More...

double	GetXA () const
	頂点AのX座標を取得. More...

double	GetYA () const
	頂点AのY座標を取得. More...

double	GetXB () const
	頂点BのX座標を取得. More...

double	GetYB () const
	頂点BのY座標を取得. More...

double	GetThick () const
	太さを取得. More...

void	SetThick (double 太さ)
	太さを設定. More...

double	GetAngle () const override
	角度を取得. More...

double	GetLength () const
	長さを取得. More...

double	GetThickHarf () const
	太さの半分を取得. More...

double	GetThickPow () const
	太さの二乗を取得. More...

double	GetMinX () const
	頂点AとBのX座標の小さい値を取得. More...

double	GetMinY () const
	頂点AとBのY座標の小さい値を取得. More...

double	GetMaxX () const
	頂点AとBのX座標の大きい値を取得. More...

double	GetMaxY () const
	頂点AとBのY座標の大きい値を取得. More...

bool	Hit (const IShape *shape) const override
	衝突判定. More...

bool	Hit (const Complex *complex) const override
	衝突判定. More...

bool	Hit (const Point *point) const override
	衝突判定. More...

bool	Hit (const Line *line) const override
	衝突判定. More...

bool	Hit (const Rect *rect) const override
	衝突判定. More...

bool	Hit (const Circle *circle) const override
	衝突判定. More...

bool	LinePoint (double px, double py, double range) const
	線と点の当たり判定. More...

Public Member Functions inherited from SDX::IPosition
void	SetZoom (double X拡大率, double Y拡大率)
	拡大率を設定. More...

void	MultiZoom (double 倍率)
	拡大率を掛け算する. More...

void	MoveA (double 距離, double 方向)
	極座標で移動. More...

void	MoveF (double 距離)
	前方に移動. More...

void	SetAngle (double 指定角度)
	角度を指定する. More...

double	GetDirect (IPosition *比較対象) const
	対象との角度を取得. More...

double	GetDistance (const IPosition *比較対象) const
	対象との相対座標を取得. More...

virtual void	SetZoom (double X拡大率, double Y拡大率)
	拡大率を設定. More...

void	MultiZoom (double 倍率)
	拡大率を掛け算する. More...

void	MoveA (double 距離, double 方向)
	極座標で移動. More...

virtual void	SetAngle (double 指定角度)
	角度を指定する. More...

double	GetDirect (IPosition *比較対象) const
	対象との角度を取得. More...

double	GetDistance (IPosition *比較対象) const
	対象との相対座標を取得. More...

double	CompareAngle (double 角度)
	角度の差を計算する

Additional Inherited Members
Static Protected Member Functions inherited from SDX::IShape
static bool	RectRect (double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4)
	矩形の交差判定. More...

static bool	LineLine (double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4)
	線分の交差判定. More...

static int	PointPoint (double x1, double y1, double x2, double y2)
	二点間の距離を計算. More...

Protected Attributes inherited from SDX::IPosition
double	zoomX = 1
	図形の拡大率

double	zoomY = 1
	図形の拡大率

Detailed Description

太さのある線を表す図形クラス.

//Copyright © 2014 SDXFramework
//[License]GNU Affero General Public License, version 3
//[Contact]http://sourceforge.jp/projects/dxframework/
//図形の当たり判定をする
#include <SDXFramework.h>
bool SampleShape()
{
    using namespace SDX;
    System::Initialise("sample", 640, 480);
    //図形を宣言する
    Circle circle(10, 10, 100);
    Rect rect(60, 60, 100, 100);
    Line line(200, 100, PAI / 4, 600, 5);
    //共通のインターフェースを持っている
    IShape* shapes[3];
    shapes[0] = &circle;
    shapes[1] = &rect;
    shapes[2] = &line;
    while (System::Update())
    {
        circle.SetPos(Input::mouse.x, Input::mouse.y);
        //Lineは回転可能
        line.Rotate(0.01);
        //ダブルディスパッチによる当たり判定
        for (int a = 0; a < 3; ++a)
        {
            int hit = 0;
            for (int b = 0; b < 3; ++b)
            {
                if (a == b){ continue; }
                    
                hit += shapes[a]->Hit(shapes[b]);
            }
            if ( hit == 0)
            {
                shapes[a]->Draw(Color::White);
            }
            else if (hit == 1)
            {
                shapes[a]->Draw(Color::Red);
            }
            else
            {
                shapes[a]->Draw(Color::Blue);
            }
        }
        if (Input::key.Return.on){ break;}//Enterで終了
    }
    System::End();
    return true;
}

Constructor & Destructor Documentation

SDX::Line::Line	(	double	X中心座標,
		double	Y中心座標,
		double	角度,
		double	長さ,
		double	太さ
	)

inline

コンストラクタ.

SDX::Line::Line	(	double	X中心座標,
		double	Y中心座標,
		double	角度,
		double	前方長さ,
		double	後方長さ,
		double	太さ
	)

inline

コンストラクタ.

Member Function Documentation

virtual IShape* SDX::Line::Clone	(	double	x,
		double	y
	)		const

inlineoverridevirtual

同じ形の図形を作る.

Implements SDX::IShape.

double SDX::Line::GetX ( ) const

inlineoverridevirtual

X座標を取得.

Implements SDX::IPosition.

double SDX::Line::GetY ( ) const

inlineoverridevirtual

Y座標を取得.

Implements SDX::IPosition.

double SDX::Line::GetW ( ) const

inlineoverridevirtual

幅を取得.

Implements SDX::IPosition.

double SDX::Line::GetH ( ) const

inlineoverridevirtual

高さを取得.

Implements SDX::IPosition.

void SDX::Line::SetPos	(	double	X座標,
		double	Y座標
	)

inlineoverridevirtual

指定座標に移動.

Implements SDX::IPosition.

void SDX::Line::MultiZoom	(	double	X倍率,
		double	Y倍率
	)

inlineoverridevirtual

縦横別で拡大率を掛け算する.

Implements SDX::IPosition.

void SDX::Line::Rotate ( double 回転する角度 )

inlineoverridevirtual

回転する.

Implements SDX::IPosition.

void SDX::Line::Move	(	double	X移動量,
		double	Y移動量
	)

inlineoverridevirtual

相対座標で移動.

Implements SDX::IPosition.

void SDX::Line::Draw ( const Color & 描画色 ) const

overridevirtual

描画する.

Implements SDX::IShape.

double SDX::Line::GetXA ( ) const

inline

頂点AのX座標を取得.

double SDX::Line::GetYA ( ) const

inline

頂点AのY座標を取得.

double SDX::Line::GetXB ( ) const

inline

頂点BのX座標を取得.

double SDX::Line::GetYB ( ) const

inline

頂点BのY座標を取得.

double SDX::Line::GetThick ( ) const

inline

太さを取得.

void SDX::Line::SetThick ( double 太さ )

inline

太さを設定.

double SDX::Line::GetAngle ( ) const

inlineoverridevirtual

角度を取得.

Reimplemented from SDX::IPosition.

double SDX::Line::GetLength ( ) const

inline

長さを取得.

double SDX::Line::GetThickHarf ( ) const

inline

太さの半分を取得.

double SDX::Line::GetThickPow ( ) const

inline

太さの二乗を取得.

double SDX::Line::GetMinX ( ) const

inline

頂点AとBのX座標の小さい値を取得.

double SDX::Line::GetMinY ( ) const

inline

頂点AとBのY座標の小さい値を取得.

double SDX::Line::GetMaxX ( ) const

inline

頂点AとBのX座標の大きい値を取得.

double SDX::Line::GetMaxY ( ) const

inline

頂点AとBのY座標の大きい値を取得.

bool SDX::Line::Hit ( const IShape * iShape ) const

inlineoverridevirtual

衝突判定.

Implements SDX::IShape.

bool SDX::Line::Hit ( const Complex * complex ) const

inlineoverridevirtual

衝突判定.

Implements SDX::IShape.

bool SDX::Line::Hit ( const Point * point ) const

inlineoverridevirtual

衝突判定.

Implements SDX::IShape.

bool SDX::Line::Hit ( const Line * line ) const

inlineoverridevirtual

衝突判定.

Implements SDX::IShape.

bool SDX::Line::Hit ( const Rect * rect ) const

overridevirtual

衝突判定.

Implements SDX::IShape.

bool SDX::Line::Hit ( const Circle * circle ) const

overridevirtual

衝突判定.

Implements SDX::IShape.

bool SDX::Line::LinePoint	(	double	px,
		double	py,
		double	range
	)		const

inline

線と点の当たり判定.

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation