plane.cpp

Embedded VC “是男人就挺过二十秒”源代码

// Plane.cpp: implementation of the CPlane class.
//
/**///////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "Plane.h"

//------------------------------------------------------------------
//Macro define

//The radius of the plane
#define PLANE_RADIUS            4

/**///////////////////////////////////////////////////////////////////////
// Construction/Destruction
/**///////////////////////////////////////////////////////////////////////

CPlane::CPlane()
{
    memset(&m_ptPos,0,sizeof(m_ptPos));
    memset(&m_rcWndPlay,0,sizeof(m_rcWndPlay));
}

CPlane::~CPlane()
{

}


//--------------------------------------------------------------------
//Description:
//    Draw the plane normal status to the DC
//---------------------------------------------------------------------
void CPlane::DrawNormal(HDC hdc)
{
    HBRUSH hBrush = CreateSolidBrush(RGB(0,255,0));
    HGDIOBJ hOldSel = SelectObject(hdc,hBrush);

    Ellipse(hdc,
            m_ptPos.x - PLANE_RADIUS,
            m_ptPos.y - PLANE_RADIUS,
            m_ptPos.x + PLANE_RADIUS,
            m_ptPos.y + PLANE_RADIUS);


    SelectObject(hdc,hOldSel);
    DeleteObject(hBrush);
}


//--------------------------------------------------------------------
//Description:
//    Draw the plane destroy status to the DC
//---------------------------------------------------------------------
void CPlane::DrawDestroy(HDC hdc)
{
    HBRUSH hBrush = CreateSolidBrush(RGB(255,0,0));
    HGDIOBJ hOldSel = SelectObject(hdc,hBrush);

    Ellipse(hdc,
            m_ptPos.x - PLANE_RADIUS,
            m_ptPos.y - PLANE_RADIUS,
            m_ptPos.x + PLANE_RADIUS,
            m_ptPos.y + PLANE_RADIUS);


    SelectObject(hdc,hOldSel);
    DeleteObject(hBrush);
}
//--------------------------------------------------------------------
//Description:
//    Set current position
//---------------------------------------------------------------------
void CPlane::SetCurrentPos(const LPPOINT lppt)
{
    m_ptPos = *lppt;
}


//--------------------------------------------------------------------
//Description:
//    Get the current rect of plane
//---------------------------------------------------------------------
void CPlane::GetCurrentRect(RECT *lprcOut)
{
    lprcOut->left = m_ptPos.x - PLANE_RADIUS;
    lprcOut->top = m_ptPos.y - PLANE_RADIUS;
    lprcOut->right = m_ptPos.x + PLANE_RADIUS;
    lprcOut->bottom = m_ptPos.y + PLANE_RADIUS;
}


//--------------------------------------------------------------------
//Description:
//    Move the distance base on the current position
//---------------------------------------------------------------------
void CPlane::Move(int iX, int iY)
{
    m_ptPos.x += iX;
    m_ptPos.y += iY;

    if(m_ptPos.x < m_rcWndPlay.left)
    {
        m_ptPos.x = 0;
    }

    if(m_ptPos.x > m_rcWndPlay.right)
    {
        m_ptPos.y = m_rcWndPlay.right;
    }

    if(m_ptPos.y < m_rcWndPlay.top)
    {
        m_ptPos.y = m_rcWndPlay.top;
    }

    if(m_ptPos.y > m_rcWndPlay.bottom)
    {
        m_ptPos.y = m_rcWndPlay.bottom;
    }
}


//--------------------------------------------------------------------
//Description:
//    Get the current position of plane
//---------------------------------------------------------------------
void CPlane::GetCurrentPos(LPPOINT lpptOut)
{
    *lpptOut = m_ptPos;
}


//--------------------------------------------------------------------
//Description:
//    Initialize the playing window
//---------------------------------------------------------------------
void CPlane::Initialize(const RECT *lprcWndPlay)
{
    m_rcWndPlay = *lprcWndPlay;
}