SDX::IShape Class Reference

衝突判定可能な図形の抽象クラス. More...

#include <IShape.h>

Inherits SDX::IPosition.

Inherited by SDX::Circle, SDX::Complex, SDX::Line, SDX::Point, and SDX::Rect.

Public Member Functions
virtual IShape *	Clone (double x, double y) const =0
	同じ形の図形を作る. More...
virtual bool	Hit (const IShape *iShape) const =0
	衝突判定. More...
virtual bool	Hit (const Complex *complex) const =0
	衝突判定. More...
virtual bool	Hit (const Point *point) const =0
	衝突判定. More...
virtual bool	Hit (const Line *line) const =0
	衝突判定. More...
virtual bool	Hit (const Rect *rect) const =0
	衝突判定. More...
virtual bool	Hit (const Circle *circle) const =0
	衝突判定. More...
virtual void	Draw (const Color &描画色) const =0
	描画する. More...
Public Member Functions inherited from SDX::IPosition
virtual void	SetPos (double X座標, double Y座標)=0
	指定座標に移動. More...
virtual void	MultiZoom (double X倍率, double Y倍率)=0
	縦横別で拡大率を掛け算する. More...
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...
virtual void	Move (double X移動量, double Y移動量)=0
	相対座標で移動. 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...
virtual void	Rotate (double 回転する角度)=0
	回転する. More...
virtual double	GetAngle () const
	角度を取得する. 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 double	GetX () const =0
	X座標を取得. More...
virtual double	GetY () const =0
	Y座標を取得. More...
virtual double	GetW () const =0
	幅を取得. More...
virtual double	GetH () const =0
	高さを取得. More...
virtual void	SetPos (double X座標, double Y座標)=0
	指定座標に移動. More...
virtual void	MultiZoom (double X倍率, double Y倍率)=0
	縦横別で拡大率を掛け算する. 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...
virtual void	Move (double X移動量, double Y移動量)=0
	相対座標で移動. More...
void	MoveA (double 距離, double 方向)
	極座標で移動. More...
virtual void	Rotate (double 回転する角度)=0
	回転する. More...
virtual double	GetAngle () const
	角度を取得する. 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
virtual double	GetX () const =0
	X座標を取得. More...
virtual double	GetY () const =0
	Y座標を取得. More...
virtual double	GetW () const =0
	幅を取得. More...
virtual double	GetH () const =0
	高さを取得. More...

Static Protected Member Functions
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...

Additional Inherited Members
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

衝突判定可能な図形の抽象クラス.

//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;
}

Member Function Documentation

static bool SDX::IShape::RectRect ( double  x1, double  y1, double  x2, double  y2, double  x3, double  y3, double  x4, double  y4  )

inlinestaticprotected

矩形の交差判定.

static bool SDX::IShape::LineLine ( double  x1, double  y1, double  x2, double  y2, double  x3, double  y3, double  x4, double  y4  )

inlinestaticprotected

線分の交差判定.

static int SDX::IShape::PointPoint ( double  x1, double  y1, double  x2, double  y2  )

inlinestaticprotected

二点間の距離を計算.

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

pure virtual

同じ形の図形を作る.

Implemented in SDX::Line, SDX::Rect, SDX::Point, SDX::Circle, and SDX::Complex.

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

pure virtual

衝突判定.

Implemented in SDX::Line, SDX::Rect, SDX::Complex, SDX::Point, and SDX::Circle.

virtual bool SDX::IShape::Hit ( const Complex *  complex ) const

pure virtual

衝突判定.

Implemented in SDX::Line, SDX::Rect, SDX::Complex, SDX::Point, and SDX::Circle.

virtual bool SDX::IShape::Hit ( const Point *  point ) const

pure virtual

衝突判定.

Implemented in SDX::Line, SDX::Rect, SDX::Complex, SDX::Point, and SDX::Circle.

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

pure virtual

衝突判定.

Implemented in SDX::Line, SDX::Rect, SDX::Complex, SDX::Point, and SDX::Circle.

virtual bool SDX::IShape::Hit ( const Rect *  rect ) const

pure virtual

衝突判定.

Implemented in SDX::Line, SDX::Rect, SDX::Circle, SDX::Complex, and SDX::Point.

virtual bool SDX::IShape::Hit ( const Circle *  circle ) const

pure virtual

衝突判定.

Implemented in SDX::Line, SDX::Rect, SDX::Complex, SDX::Circle, and SDX::Point.

virtual void SDX::IShape::Draw ( const Color &  描画色 ) const

pure virtual

描画する.

Implemented in SDX::Line, SDX::Complex, SDX::Rect, SDX::Point, and SDX::Circle.