打飞机游戏源码补充
从指定位置加载bmp并显示到对话框。

, TRUE);
, , LR_LOADFROMFILE);
{
BITMAP bmpinfo;
CClientDC pdc( CDC dc;
dc.CreateCompatibleDC(&pdc);
dc.SelectObject(bmp);
CRect rect;
GetClientRect(&rect);
pdc.BitBlt(, ,, ,&dc, , , SRCCOPY);
DeleteDC(pdc);
ReleaseDC(&dc);
}
{
AfxMessageBox(_T( }
}
, , LR_LOADFROMFILE);
{
BITMAP bmpinfo;
CClientDC pdc( CDC dc;
dc.CreateCompatibleDC(&pdc);
dc.SelectObject(bmp);
CRect rect;
GetClientRect(&rect);
pdc.BitBlt(, ,, ,&dc, , , SRCCOPY);
DeleteDC(pdc);
ReleaseDC(&dc);
}
{
AfxMessageBox(_T( }
}
双缓冲贴图演示:

pBMPdc.SelectObject(bkbmp->m_hObject);
pBufferdc.BitBlt(, , bkinfo.bmWidth, bkinfo.bmHeight, &pBMPdc, , , SRCCOPY);
pBMPdc.SelectObject(bullebmp->m_hObject);
; i < iCurbullet; i++)
{
pBufferdc.TransparentBlt(bullet[i].pos_x, bullet[i].pos_y, bullet[i].Deswidth, bullet[i].Desheight, &pBMPdc, bullet[i].Sou_x, bullet[i].Sou_y, bullet[i].Deswidth, bullet[i].Desheight, RGB(, , ));
}
pdc.BitBlt(, , bkinfo.bmWidth, bkinfo.bmHeight, &pBufferdc, , , SRCCOPY);
DeleteDC(pdc);
DeleteObject(ptbmp);
DeleteDC(pBufferdc);
DeleteDC(pBMPdc);
}
pBufferdc.BitBlt(, , bkinfo.bmWidth, bkinfo.bmHeight, &pBMPdc, , , SRCCOPY);
pBMPdc.SelectObject(bullebmp->m_hObject);
; i < iCurbullet; i++)
{
pBufferdc.TransparentBlt(bullet[i].pos_x, bullet[i].pos_y, bullet[i].Deswidth, bullet[i].Desheight, &pBMPdc, bullet[i].Sou_x, bullet[i].Sou_y, bullet[i].Deswidth, bullet[i].Desheight, RGB(, , ));
}
pdc.BitBlt(, , bkinfo.bmWidth, bkinfo.bmHeight, &pBufferdc, , , SRCCOPY);
DeleteDC(pdc);
DeleteObject(ptbmp);
DeleteDC(pBufferdc);
DeleteDC(pBMPdc);
}
定时器设置、取消、处理的演示代码:

;
;
;
life = ;
iCurPlane = ;
iCurbullet = ;
AddPlane();
AddDefender();
SetTimer(, , NULL);
SetTimer(, , NULL);
SetTimer(, , NULL);
SetTimer(, , NULL);
}
}
;
;
life = ;
iCurPlane = ;
iCurbullet = ;
AddPlane();
AddDefender();
SetTimer(, , NULL);
SetTimer(, , NULL);
SetTimer(, , NULL);
SetTimer(, , NULL);
}
}

:
:
}
, );
}
:
}
, );
}

; i < iCurPlane; i++)
{
KillTimer();
KillTimer();
))
{
AfxMessageBox(_T( OnOK();
}
{
}
}
}
; j < iCurbullet; j++)
{
bullet[j].pos_y -= bullespeed;
)
DeleteBullet(j--);
}
OnShot();
PastPlane();
}
{
KillTimer();
KillTimer();
))
{
AfxMessageBox(_T( OnOK();
}
{
}
}
}
; j < iCurbullet; j++)
{
bullet[j].pos_y -= bullespeed;
)
DeleteBullet(j--);
}
OnShot();
PastPlane();
}

);
);
))
AfxMessageBox(_T( OnOK();
}
{
}
}
superdefender.Desheight = defenderinfo.bmHeight;
superdefender.Deswidth = defenderinfo.bmWidth;
superdefender.pos_x = (bkinfo.bmWidth - defenderinfo.bmWidth)/;
superdefender.pos_y = bkinfo.bmHeight-defenderinfo.bmHeight;
superdefender.Sou_x = ;
superdefender.Sou_y = ;
superdefender.status = plstatus[];
}
);
))
AfxMessageBox(_T( OnOK();
}
{
}
}
superdefender.Desheight = defenderinfo.bmHeight;
superdefender.Deswidth = defenderinfo.bmWidth;
superdefender.pos_x = (bkinfo.bmWidth - defenderinfo.bmWidth)/;
superdefender.pos_y = bkinfo.bmHeight-defenderinfo.bmHeight;
superdefender.Sou_x = ;
superdefender.Sou_y = ;
superdefender.status = plstatus[];
}
碰撞检测以及处理的过程:

; i < iCurPlane; i++)
;
;
;
;
+ (superdefender.Deswidth + plane[i].Deswidth)*(superdefender.Deswidth + plane[i].Deswidth)/))
{
rect.left = plane[i].pos_x;
rect.right = plane[i].pos_x + plane[i].Deswidth;
rect.top = plane[i].pos_y;
rect.bottom = plane[i].pos_y + plane[i].Desheight;
CPoint point1, point2, point3, point4;
point1.x = superdefender.pos_x;
point1.y = superdefender.pos_y;
point2.x = superdefender.pos_x + superdefender.Deswidth;
point2.y = superdefender.pos_y;
point3.x = superdefender.pos_x;
point3.y = superdefender.pos_y + superdefender.Desheight;
point4.x = superdefender.pos_x + superdefender.Deswidth;
point4.y = superdefender.pos_y + superdefender.Desheight;
superdefender.status = DESTROYED;
}
{
life -= ;
AddDefender();
}
}
}
;
;
;
;
+ (superdefender.Deswidth + plane[i].Deswidth)*(superdefender.Deswidth + plane[i].Deswidth)/))
{
rect.left = plane[i].pos_x;
rect.right = plane[i].pos_x + plane[i].Deswidth;
rect.top = plane[i].pos_y;
rect.bottom = plane[i].pos_y + plane[i].Desheight;
CPoint point1, point2, point3, point4;
point1.x = superdefender.pos_x;
point1.y = superdefender.pos_y;
point2.x = superdefender.pos_x + superdefender.Deswidth;
point2.y = superdefender.pos_y;
point3.x = superdefender.pos_x;
point3.y = superdefender.pos_y + superdefender.Desheight;
point4.x = superdefender.pos_x + superdefender.Deswidth;
point4.y = superdefender.pos_y + superdefender.Desheight;
superdefender.status = DESTROYED;
}
{
life -= ;
AddDefender();
}
}
}
修改对话框大小以及自定义对话框的方法:

CRect rect;
GetClientRect(rect);
ClientToScreen(rect);
MoveWindow(rect.left, rect.top, bkinfo.bmWidth, bkinfo.bmHeight, TRUE);
GetClientRect(rect);
ClientToScreen(rect);
MoveWindow(rect.left, rect.top, bkinfo.bmWidth, bkinfo.bmHeight, TRUE);

ModifyStyle( WS_CAPTION, WS_MINIMIZEBOX, SWP_DRAWFRAME );