ball.cpp

自制的双子球游戏

// Ball.cpp: implementation of the CBall class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "DBallGame.h"
#include "Ball.h"
#include "MyDef.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CBall::CBall()
{

}

CBall::~CBall()
{

}

void CBall::InitBall(CDC * pDC,CRect * rect ,CStatic * news )
{
	p_WinDC = pDC;
    WinRect = rect;
    m_news  = news;
	Pos.x = rect->right /2;
	//y值需要扩展初始化
	
	delta_x = delta_y = 2;

	
	
	y_Above = rect->bottom /11;
	y_Below = rect->bottom *10/11;
	InitOther();
	PrePos.x = Pos.x;
	PrePos.y =Pos.y;
}

void CBall::InitOther()//对其他环境参数进行设置
{

}

void CBall::DrawBall(bool style)
{
	if(style==1)
	{
		p_WinDC->SelectStockObject (BLACK_PEN);
    	p_WinDC->SelectStockObject  (BLACK_BRUSH);
    	p_WinDC->Ellipse ( Pos.x-5, Pos.y-5 , Pos.x+5, Pos.y+5);
	}
	else
	{
		p_WinDC->SelectStockObject (WHITE_PEN);
        p_WinDC->SelectStockObject  (WHITE_BRUSH);
        p_WinDC->Ellipse ( PrePos.x-5, PrePos.y-5 , PrePos.x+5, PrePos.y+5);
	}

}

void CBall::FollowBar(int pos)
{
	Pos.x = pos;
	m_BelowBarPos = pos;
	DrawBall(0);
	DrawBall(1);
	PrePos.x = Pos.x;

}

bool CBall::Move()
{
	DrawBall(0);
	DrawBall(1);
	PrePos.x = Pos.x;
	PrePos.y = Pos.y;
	if(Pos.x >=WinRect->right -5||Pos.x <=5)x_dir=!x_dir;

    if(MoveEx()==1)
		return 1;

	if(x_dir==0)Pos.x +=delta_x;
	else Pos.x-=delta_x;
	if(y_dir==0)Pos.y +=delta_y;
	else Pos.y-=delta_y;
	return 0;
}

bool CBall::MoveEx()
{
	return 0;
}
bool CBall::Analyse(int v)
{
    if(v==BAR_BELOW)//belowbar
	{
		if(Pos.x >=m_BelowBarPos-23 && Pos.x<=m_BelowBarPos+23 )
		{
			if(Pos.x >=m_BelowBarPos-12&&Pos.x <= m_BelowBarPos+12)
			{
				 delta_x = 2;
			}
			else if(Pos.x >=m_BelowBarPos-17&&Pos.x <= m_BelowBarPos+17)
			{
				 delta_x = 3;
			}
			else if(Pos.x >=m_BelowBarPos-20&&Pos.x <= m_BelowBarPos+20)
			{
				 delta_x = 4;
			}
			else 
			{
				 delta_x = 5;
			}
        
		return 1;
		}
	 else return 0;
	}
	else//AboveBar
	{
		if(Pos.x >=m_AboveBarPos-23 && Pos.x<=m_AboveBarPos+23 )
		{
			if(Pos.x >=m_AboveBarPos-12&&Pos.x <= m_AboveBarPos+12)
			{
				 delta_x = 2;
			}
			else if(Pos.x >=m_AboveBarPos-17&&Pos.x <= m_AboveBarPos+17)
			{
				 delta_x = 3;
			}
			else if(Pos.x >=m_AboveBarPos-20&&Pos.x <= m_AboveBarPos+20)
			{
				 delta_x = 4;
			 }
			else 
			{
				 delta_x = 5;
			}
        
		 return 1;
		}
	 else return 0;
	}


}

void CBall::SetBarPos(int pos, int type)
{
	if(type == BAR_ABOVE)
		m_AboveBarPos = pos;
	else if(type == BAR_BELOW)
		m_BelowBarPos = pos;
}

void CBall::Failure()
{

}

void CBall::ResetEx()
{
    
}

void CBall::Reset()
{
	DrawBall(0);

    
	
	delta_x = 2;
	
	ResetEx();
	DrawBall(1);
}