www.pudn.com > game-shoot.rar > canvasFrame.cpp
// canvasFrame.cpp : implementation file
//
#define DIRECTINPUT_VERSION 0x0700
#include "stdafx.h"
#include "canvasr.h"
#include "canvasFrame.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
struct bullet //飞机的子弹
{
int x; //贴图的 X 坐标
int y; //贴图的 Y 坐标
int hitx; //碰撞点的 X 坐标
int hity; //碰撞点的 Y 坐标
BOOL exist; //子弹是否存在
};
struct cartridge //怪物的子弹
{
int x;
int y;
int hitx;
int hity;
BOOL exist;
};
struct ship //飞机
{
int x; //贴图的 X 坐标
int y; //贴图的 Y 坐标
RECT r[3]; //飞机的区块
};
struct monster //怪物
{
int x; //贴图的 X 坐标
int y; //贴图的 Y 坐标
int type; //怪物的类型
int draw; //控制贴图速度的变量
RECT r[3]; //怪物的区块
POINT p[4]; //怪物的碰撞点
BOOL exist; //怪物是否存在
};
/////////////////////////////////////////////////////////////////////////////
// canvasFrame
IMPLEMENT_DYNCREATE(canvasFrame, CFrameWnd)
//声明 DirectDraw 变量
LPDIRECTDRAW7 DD;
LPDIRECTDRAWSURFACE7 DDSur;
LPDIRECTDRAWSURFACE7 DDBuf;
LPDIRECTDRAWSURFACE7 DDPla[10];
DDSCAPS2 DDcaps;
DDSURFACEDESC2 DDde;
HRESULT result;
DDCOLORKEY key;
//声明 DirectSound 变量
LPDIRECTSOUND DS;
LPDIRECTSOUNDBUFFER DSPri;
LPDIRECTSOUNDBUFFER DSBuf[6];
WAVEFORMATEX DSfmt;
WAVEFORMATEX wfmt;
DSBUFFERDESC DSde;
MMCKINFO ckRiff;
MMCKINFO ckInfo;
MMRESULT mmresult;
HMMIO hmmio;
DWORD wsize;
LPVOID pAudio;
DWORD bytesAudio;
//声明 DirectInput 变量
LPDIRECTINPUT7 DI;
LPDIRECTINPUTDEVICE7 DIms;
DIMOUSESTATE2 DImstate;
//声明其它变量
HDC hdc,dhdc;
HBITMAP bitmap;
int i,j,m,n;
int bgx;
int bcount,mcount,ccount;
int t,f; //控制屏幕贴图
int score=0; //分数
BOOL press,hit,over;
cartridge c[100]; //怪物子弹数组
bullet b[100]; //飞机子弹数组
monster mon[50]; //怪物数组
ship ship;
char str[20];
canvasFrame::canvasFrame()
{
Create(NULL,"绘图窗口",WS_POPUP);
hdc = ::CreateCompatibleDC(NULL);
::ShowCursor(false);
CreateDDPla(640,480,"load.bmp",9);
DDBuf->BltFast( 0 , 0 , DDPla[9], CRect(0,0,640,480) , DDBLTFAST_WAIT);
DDSur->Flip( NULL , DDFLIP_WAIT ); //显示加载中图案
CreateDDPla(640,480,"bgbmp.bmp",0);
CreateDDPla(100,74,"ship.bmp",1);
CreateDDPla(10,10,"bullet.bmp",2);
CreateDDPla(80,59,"mon0.bmp",3);
CreateDDPla(60,56,"mon1.bmp",4);
CreateDDPla(79,51,"mon2.bmp",5);
CreateDDPla(10,10,"cartridge.bmp",6);
CreateDDPla(80,80,"hit.bmp",7);
CreateDDPla(640,159,"over.bmp",8);
CreateDSBuf("s0.wav",0);
CreateDSBuf("s1.wav",1);
CreateDSBuf("s2.wav",2);
CreateDSBuf("s3.wav",3);
ColorKey(1);
ColorKey(2);
ColorKey(3);
ColorKey(4);
ColorKey(5);
ColorKey(6);
ColorKey(7);
ColorKey(8);
ship.x = 540;
ship.y = 200;
DSBuf[0]->Play(0,0,1); //播放背景音乐
}
canvasFrame::~canvasFrame()
{
delete bitmap;
delete hdc;
delete dhdc;
DD->Release();
DDSur->Release();
for(i=0;i<=9;i++)
DDPla[i]->Release();
DI->Release();
DIms->Release();
DS->Release();
DSPri->Release();
for(i=0;i<=2;i++)
DSBuf[i]->Release();
}
BEGIN_MESSAGE_MAP(canvasFrame, CFrameWnd)
//{{AFX_MSG_MAP(canvasFrame)
ON_WM_CREATE()
ON_WM_TIMER()
ON_WM_KEYDOWN()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// canvasFrame message handlers
int canvasFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
return -1;
InitDD();
InitDS();
InitDI();
SetTimer(1,0,NULL);
return 0;
}
//建立幕后内存区并加载图档的自定义函式
void canvasFrame::CreateDDPla(int width,int height,char* filename,int num)
{
DDde.dwWidth = width;
DDde.dwHeight = height;
result = DD->CreateSurface(&DDde, &DDPla[num], NULL);
if(result !=DD_OK)
{
MessageBox("建立幕后内存区失败!");
return;
}
bitmap = (HBITMAP)::LoadImage(NULL,filename,IMAGE_BITMAP,width,height,LR_LOADFROMFILE);
if(bitmap==NULL)
{
MessageBox("无法加载位图!");
return;
}
::SelectObject(hdc,bitmap);
DDPla[num]->GetDC( &dhdc );
::BitBlt( dhdc , 0 , 0 ,width,height, hdc , 0 , 0 , SRCCOPY );
DDPla[num]->ReleaseDC(dhdc);
}
void canvasFrame::ColorKey(int num)
{
key.dwColorSpaceHighValue = 0;
key.dwColorSpaceLowValue = 0;
DDPla[num]->SetColorKey(DDCKEY_SRCBLT,&key);
}
void canvasFrame::Generate()
{
switch(rand()%3)
{
case 0:
for(i=0;i<50;i++)
{
if(!mon[i].exist)
{
mon[i].type = 0;
mon[i].x = 0;
mon[i].y = rand()%420;
mon[i].exist = true;
mon[i].r[0].left = mon[i].x + 28;
mon[i].r[0].top = mon[i].y + 7;
mon[i].r[0].right = mon[i].x + 72;
mon[i].r[0].bottom = mon[i].y + 34;
mon[i].r[1].left = mon[i].x;
mon[i].r[1].top = mon[i].y + 23;
mon[i].r[1].right = mon[i].x + 49;
mon[i].r[1].bottom = mon[i].y + 59;
mon[i].r[2].left = mon[i].x + 24;
mon[i].r[2].top = mon[i].y + 50;
mon[i].r[2].right = mon[i].x + 48;
mon[i].r[2].bottom = mon[i].y + 59;
mon[i].p[0].x = mon[i].x +46;
mon[i].p[0].y = mon[i].y + 8;
mon[i].p[1].x = mon[i].x + 71;
mon[i].p[1].y = mon[i].y + 22;
mon[i].p[2].x = mon[i].x + 36;
mon[i].p[2].y = mon[i].y + 57;
mon[i].p[3].x = mon[i].x + 1;
mon[i].p[3].y = mon[i].y + 31;
mcount++;
break;
}
}
break;
case 1:
for(i=0;i<50;i++)
{
if(!mon[i].exist)
{
mon[i].type = 1;
mon[i].x = 0;
mon[i].y = rand()%420;
mon[i].exist = true;
mon[i].r[0].left = mon[i].x + 14;
mon[i].r[0].top = mon[i].y + 4;
mon[i].r[0].right = mon[i].x + 57;
mon[i].r[0].bottom = mon[i].y + 26;
mon[i].r[1].left = mon[i].x+1;
mon[i].r[1].top = mon[i].y + 14;
mon[i].r[1].right = mon[i].x + 43;
mon[i].r[1].bottom = mon[i].y + 41;
mon[i].r[2].left = mon[i].x + 5;
mon[i].r[2].top = mon[i].y + 34;
mon[i].r[2].right = mon[i].x + 22;
mon[i].r[2].bottom = mon[i].y + 55;
mon[i].p[0].x = mon[i].x +52;
mon[i].p[0].y = mon[i].y + 18;
mon[i].p[1].x = mon[i].x + 20;
mon[i].p[1].y = mon[i].y + 4;
mon[i].p[2].x = mon[i].x + 3;
mon[i].p[2].y = mon[i].y + 22;
mon[i].p[3].x = mon[i].x + 14;
mon[i].p[3].y = mon[i].y + 50;
mcount++;
break;
}
}
break;
case 2:
for(i=0;i<50;i++)
{
if(!mon[i].exist)
{
mon[i].type = 2;
mon[i].x = 580;
mon[i].y = rand()%420;
mon[i].exist = true;
mon[i].r[0].left = mon[i].x + 1;
mon[i].r[0].top = mon[i].y + 8;
mon[i].r[0].right = mon[i].x + 78;
mon[i].r[0].bottom = mon[i].y + 37;
mon[i].r[1].left = mon[i].x+8;
mon[i].r[1].top = mon[i].y + 36;
mon[i].r[1].right = mon[i].x + 52;
mon[i].r[1].bottom = mon[i].y + 50;
mon[i].r[2].left = mon[i].x + 20;
mon[i].r[2].top = mon[i].y;
mon[i].r[2].right = mon[i].x + 37;
mon[i].r[2].bottom = mon[i].y + 8;
mon[i].p[0].x = mon[i].x +4;
mon[i].p[0].y = mon[i].y + 21;
mon[i].p[1].x = mon[i].x + 31;
mon[i].p[1].y = mon[i].y + 3;
mon[i].p[2].x = mon[i].x + 72;
mon[i].p[2].y = mon[i].y + 24;
mon[i].p[3].x = mon[i].x + 36;
mon[i].p[3].y = mon[i].y + 45;
mcount++;
break;
}
}
break;
}
}
void canvasFrame::OnTimer(UINT nIDEvent)
{
if(!over)
{
t++;
if(score>10000)
f = 20;
else if(score<=10000 && score>5500)
f = 30;
else if(score<=5500 && score >2000)
f = 40;
else
f = 50;
if(t%f==0)
{
Generate(); //产生怪物
t=0;
}
result = DIms->GetDeviceState(sizeof(DImstate),(LPVOID)&DImstate);
if(result != DI_OK )
{
MessageBox("取得鼠标状态失败!");
return;
}
DDBuf->BltFast( bgx , 0 , DDPla[0], CRect(0,0,640-bgx,480) , DDBLTFAST_WAIT);
DDBuf->BltFast( 0 , 0 , DDPla[0], CRect(640-bgx,0,640,480) , DDBLTFAST_WAIT);
ShipMove();
PasteMon();
Shoot();
if(ccount !=0) //贴上怪物子弹
for(i=0;i<100;i++)
if(c[i].exist)
DDBuf->BltFast(c[i].x,c[i].y,DDPla[6],CRect(0,0,10,10),DDBLTFAST_WAIT|DDBLTFAST_SRCCOLORKEY);
if(bcount != 0) //贴上飞机子弹
for(i=0;i<100;i++)
if(b[i].exist)
DDBuf->BltFast(b[i].x,b[i].y,DDPla[2],CRect(0,0,10,10),DDBLTFAST_WAIT|DDBLTFAST_SRCCOLORKEY);
MonBombShip();
HitShip();
HitMon();
bgx+=10;
if(bgx==640)
bgx=0;
DDBuf->GetDC( &hdc );
sprintf(str,"分数：%d",score);
::TextOut(hdc, 0, 0,str, lstrlen(str)); //显示分数
DDBuf->ReleaseDC( hdc);
DDSur->Flip( NULL , DDFLIP_WAIT );
}
CFrameWnd::OnTimer(nIDEvent);
}
void canvasFrame::ShipMove()
{
ship.x += DImstate.lX;
ship.y += DImstate.lY;
if(ship.x<0) //是否已至左边界
ship.x = 0;
if(ship.x>540) //是否已至右边界
ship.x = 540;
if(ship.y<0) //是否已至上边界
ship.y = 0;
if(ship.y>406) //是否已至下边界
ship.y = 406;
ship.r[0].left = ship.x + 16;
ship.r[0].top = ship.y + 3;
ship.r[0].right = ship.x + 50;
ship.r[0].bottom = ship.y + 53;
ship.r[1].left = ship.x + 8;
ship.r[1].top = ship.y + 16;
ship.r[1].right = ship.x + 78;
ship.r[1].bottom = ship.y + 50;
ship.r[2].left = ship.x + 35;
ship.r[2].top = ship.y + 35;
ship.r[2].right = ship.x + 81;
ship.r[2].bottom = ship.y + 71;
DDBuf->BltFast(ship.x,ship.y,DDPla[1],CRect(0,0,100,74),DDBLTFAST_WAIT|DDBLTFAST_SRCCOLORKEY);
}
void canvasFrame::Shoot()
{
if(DImstate.rgbButtons[0] & 0x80) //判断是否按下鼠标左键
{
if(!press)
{
for(i=0;i<100;i++)
{
if(!b[i].exist)
{
DSBuf[1]->Play(0,0,0);
b[i].x = ship.x;
b[i].y = ship.y+30;
b[i].exist = true;
bcount++;
break;
}
}
press = true;
}
}
else
press = false;
}
void canvasFrame::CreateDSBuf(char* filename,int num)
{
hmmio = mmioOpen(filename, NULL, MMIO_ALLOCBUF|MMIO_READ );
if(hmmio == NULL)
{
MessageBox("文件不存在!");
return;
}
ckRiff.fccType = mmioFOURCC('W', 'A', 'V', 'E');
mmresult = mmioDescend(hmmio,&ckRiff,NULL,MMIO_FINDRIFF);
if(mmresult != MMSYSERR_NOERROR)
{
MessageBox("文件格式错误!");
return;
}
ckInfo.ckid = mmioFOURCC('f','m','t',' ');
mmresult = mmioDescend(hmmio,&ckInfo,&ckRiff,MMIO_FINDCHUNK);
if(mmresult != MMSYSERR_NOERROR)
{
MessageBox("文件格式错误!");
return;
}
mmresult = mmioRead(hmmio,(HPSTR)&wfmt,sizeof(wfmt));
if(mmresult == -1)
{
MessageBox("读取格式失败!");
return;
}
mmresult = mmioAscend(hmmio,&ckInfo,0);
ckInfo.ckid = mmioFOURCC('d','a','t','a');
mmresult = mmioDescend(hmmio,&ckInfo,&ckRiff,MMIO_FINDCHUNK);
if(mmresult != MMSYSERR_NOERROR)
{
MessageBox("文件格式错误!");
return;
}
wsize = ckInfo.cksize;
memset( &DSde,0,sizeof(DSde));
DSde.dwSize = sizeof(DSde);
DSde.dwFlags = DSBCAPS_STATIC |DSBCAPS_CTRLPAN |DSBCAPS_CTRLVOLUME| DSBCAPS_GLOBALFOCUS;
DSde.dwBufferBytes = wsize;
DSde.lpwfxFormat = &wfmt;
result = DS->CreateSoundBuffer( &DSde, &DSBuf[num], NULL );
if(result != DS_OK)
{
MessageBox("建立次缓冲区失败!");
return;
}
result = DSBuf[num]->Lock(0,wsize,&pAudio,&bytesAudio,NULL,NULL,NULL);
if(result != DS_OK)
{
MessageBox("锁定缓冲区失败!");
return;
}
mmresult = mmioRead(hmmio,(HPSTR)pAudio,bytesAudio);
if(mmresult == -1)
{
MessageBox("读取音文件数据失败!");
return;
}
result = DSBuf[num]->Unlock(pAudio,bytesAudio,NULL,NULL);
if(result != DS_OK)
{
MessageBox("解除锁定缓冲区失败!");
return;
}
mmioClose(hmmio,0);
}
void canvasFrame::InitDD()
{
//建立 DirectDraw 对象
result = DirectDrawCreateEx(NULL, (VOID**)&DD, IID_IDirectDraw7, NULL);
if (result != DD_OK)
{
MessageBox("建立DirectDraw对象失败!");
return;
}
//设定协调层级
result = DD->SetCooperativeLevel(m_hWnd,DDSCL_EXCLUSIVE |
DDSCL_FULLSCREEN|DDSCL_ALLOWREBOOT );
if(result !=DD_OK)
{
MessageBox("设定程序协调层级失败!");
return;
}
//设定显示模式
result = DD->SetDisplayMode(640,480,16,0,DDSDM_STANDARDVGAMODE);
if(result !=DD_OK)
{
MessageBox("设定屏幕显示模式失败!");
return;
}
//建立主绘图页
memset(&DDde,0,sizeof(DDde));
DDde.dwSize = sizeof(DDde);
DDde.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
DDde.dwBackBufferCount = 1;
DDde.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP;
result = DD->CreateSurface(&DDde,&DDSur,NULL);
if(result !=DD_OK)
{
MessageBox("建立主绘图页失败!");
return;
}
//连结后缓冲区
DDcaps.dwCaps = DDSCAPS_BACKBUFFER;
result = DDSur->GetAttachedSurface(&DDcaps,&DDBuf);
if(result !=DD_OK)
{
MessageBox("连接后缓冲区失败!");
return;
}
//声明幕后幕存区的共同特性
memset(&DDde,0,sizeof(DDde));
DDde.dwSize = sizeof(DDde);
DDde.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
DDde.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN ;
}
void canvasFrame::InitDS()
{
//建立 DirectSound 对象
result = DirectSoundCreate( NULL, &DS, NULL );
if(result != DS_OK)
{
MessageBox("建立 DirectSound 对象失败!");
return;
}
//设定协调层级
result = DS->SetCooperativeLevel( m_hWnd, DSSCL_PRIORITY );
if(result != DS_OK)
{
MessageBox("设定协调层级失败!");
return;
}
//建立主缓冲区
memset( &DSde,0, sizeof(DSde) );
DSde.dwSize = sizeof(DSde);
DSde.dwFlags = DSBCAPS_PRIMARYBUFFER;
DSde.dwBufferBytes = 0;
DSde.lpwfxFormat = NULL;
result = DS->CreateSoundBuffer( &DSde, &DSPri, NULL );
if(result != DS_OK)
{
MessageBox("建立主缓冲区失败!");
return;
}
//设定声音播放格式
memset( &DSfmt,0, sizeof(DSfmt));
DSfmt.wFormatTag = WAVE_FORMAT_PCM;
DSfmt.nChannels = 2;
DSfmt.nSamplesPerSec = 44100;
DSfmt.wBitsPerSample = 16;
DSfmt.nBlockAlign = DSfmt.wBitsPerSample / 8 * DSfmt.nChannels;
DSfmt.nAvgBytesPerSec = DSfmt.nSamplesPerSec * DSfmt.nBlockAlign;
result = DSPri->SetFormat(&DSfmt);
if(result != DS_OK)
{
MessageBox("设定播放格式失败!");
return;
}
}
void canvasFrame::InitDI()
{
//建立 DirectInput 对象
HINSTANCE hinst = AfxGetInstanceHandle();
result = DirectInputCreateEx(hinst, DIRECTINPUT_VERSION,IID_IDirectInput7, (void**)&DI, NULL);
if(result != DI_OK)
{
MessageBox("建立 DirectInput 对象失败!");
return;
}
//建立输入装置对象
result = DI->CreateDeviceEx(GUID_SysMouse, IID_IDirectInputDevice7,(void**)&DIms, NULL);
if(result != DI_OK)
{
MessageBox("建立鼠标输入装置失败!");
return;
}
//设定数据格式
result = DIms->SetDataFormat(&c_dfDIMouse2);
if(result != DI_OK)
{
MessageBox("设定数据格式失败!");
return;
}
//设定协调层级
result = DIms->SetCooperativeLevel(m_hWnd,DISCL_BACKGROUND | DISCL_NONEXCLUSIVE);
if(result != DI_OK)
{
MessageBox("设定程序协调层级失败!");
return;
}
//取用输入装置
result = DIms->Acquire();
if(result != DI_OK)
{
MessageBox("取用输入装置失败!");
return;
}
}
void canvasFrame::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
{
if( nChar== VK_ESCAPE ) //按下 Esc 键
PostMessage(WM_CLOSE ); //结束程序
if( nChar == VK_F1) //按下 F1 键
{
over = false;
score = 0;
ship.x = 540;
ship.y = 200;
ship.r[0].left = ship.x + 16;
ship.r[0].top = ship.y + 3;
ship.r[0].right = ship.x + 50;
ship.r[0].bottom = ship.y + 53;
ship.r[1].left = ship.x + 8;
ship.r[1].top = ship.y + 16;
ship.r[1].right = ship.x + 78;
ship.r[1].bottom = ship.y + 50;
ship.r[2].left = ship.x + 35;
ship.r[2].top = ship.y + 35;
ship.r[2].right = ship.x + 81;
ship.r[2].bottom = ship.y + 71;
DSBuf[0]->Play(0,0,1); //回放背景音乐
}
CFrameWnd::OnKeyDown(nChar, nRepCnt, nFlags);
}
void canvasFrame::MonBombShip()
{
if(mcount != 0)
for(i=0;i<50;i++) //取出所有怪物
if(mon[i].exist)
for(j=0;j<=3;j++) //取出所有怪物的碰撞点
for(m=0;m<3;m++) //取出飞机各个区块
if(mon[i].p[j].x >= ship.r[m].left && mon[i].p[j].x <= ship.r[m].right && mon[i].p[j].y >= ship.r[m].top && mon[i].p[j].y <= ship.r[m].bottom)
{
DDBuf->BltFast(mon[i].p[j].x-40,mon[i].p[j].y-40,DDPla[7],CRect(0,0,80,80),DDBLTFAST_WAIT|DDBLTFAST_SRCCOLORKEY);
DDBuf->BltFast(0,150,DDPla[8],CRect(0,0,640,159),DDBLTFAST_WAIT|DDBLTFAST_SRCCOLORKEY);
DSBuf[0]->Stop(); //停止背景音乐
DSBuf[3]->Play(0,0,0); //播放碰撞声音
for(i=0;i<50;i++) //清空怪物数组
if(mon[i].exist)
mon[i].exist = false;
for(i=0;i<100;i++) //清空怪物子弹数组
if(c[i].exist)
c[i].exist = false;
for(i=0;i<100;i++) //清空飞机子弹数组
if(b[i].exist)
b[i].exist = false;
bcount = 0;
ccount = 0;
mcount = 0;
over = true; //游戏结束
break;
}
}
void canvasFrame::HitShip()
{
if(ccount !=0)
for(i=0;i<100;i++) //取出所有怪物子弹
if(c[i].exist)
{
c[i].hitx = c[i].x + 10;
c[i].hity = c[i].y + 5;
hit = false;
for(j=0;j<=2;j++) //取出飞机各个区块
{
if(c[i].hitx >= ship.r[j].left && c[i].hitx <= ship.r[j].right && c[i].hity >= ship.r[j].top && c[i].hity <= ship.r[j].bottom)
{
hit = true;
DDBuf->BltFast(ship.x,ship.y,DDPla[7],CRect(0,0,80,80),DDBLTFAST_WAIT|DDBLTFAST_SRCCOLORKEY);
break;
}
}
if(hit)
{
DDBuf->BltFast(0,150,DDPla[8],CRect(0,0,640,159),DDBLTFAST_WAIT|DDBLTFAST_SRCCOLORKEY);
DSBuf[0]->Stop(); //停止背景音乐
DSBuf[3]->Play(0,0,0); //播放碰撞声音
for(i=0;i<50;i++) //清空怪物数组
if(mon[i].exist)
mon[i].exist = false;
for(i=0;i<100;i++) //清空怪物子弹数组
if(c[i].exist)
c[i].exist = false;
for(i=0;i<100;i++) //清空飞机子弹数组
if(b[i].exist)
b[i].exist = false;
over = true; //游戏结束
bcount = 0;
ccount = 0;
mcount = 0;
break;
}
else
{
c[i].x +=5; //计算下次 X 坐标
if(c[i].x>=640) //子弹移动超出屏幕
{
c[i].exist = false;
ccount--;
}
}
}
}
void canvasFrame::HitMon()
{
if(bcount != 0)
for(i=0;i<100;i++) //取出所有飞机子弹
{
if(b[i].exist)
{
b[i].hitx = b[i].x + 3;
b[i].hity = b[i].y + 5;
hit = false;
for(m=0;m<50;m++) //取出所有怪物
{
if(mon[m].exist)
{
for(j=0;j<=2;j++) //取出怪物各个区块
{
if(b[i].hitx >= mon[m].r[j].left && b[i].hitx <= mon[m].r[j].right && b[i].hity >= mon[m].r[j].top && b[i].hity <= mon[m].r[j].bottom)
{
hit = true;
DDBuf->BltFast(mon[m].x,mon[m].y,DDPla[7],CRect(0,0,80,80),DDBLTFAST_WAIT|DDBLTFAST_SRCCOLORKEY);
switch(mon[m].type)
{
case 0: //打中蜗牛
score+=100;
break;
case 1: //打中小鸟
score+=50;
break;
case 2: //打中鱼
score+=150;
}
break;
}
}
if(hit)
{
mon[m].exist = false;
b[i].exist = false;
DSBuf[2]->Play(0,0,0);
mcount--;
bcount--;
break;
}
}
}
if(hit)
continue;
b[i].x -=20; //计算下次 X 坐标
if(b[i].x<-10) //子弹移动超出屏幕
{
b[i].exist = false;
bcount--;
}
}
}
}
void canvasFrame::PasteMon()
{
if(mcount != 0)
for(i=0;i<50;i++) //怪物坐标与贴图
if(mon[i].exist)
{
switch(mon[i].type)
{
case 0:
if(mon[i].draw%10 == 0)
{
mon[i].draw = 0;
mon[i].x += 20;
if(mon[i].x >= 640)
{
mon[i].exist = false;
break;
}
if(rand()%2 == 0) //以随机数决定往上或往下移动
{
mon[i].y -= 20;
if(mon[i].y<0) //移动到最上方
mon[i].y =0;
}
else
{
mon[i].y +=20;
if(mon[i].y>420) //移动到最下方
mon[i].y = 420;
}
if(mon[i].x <100) //判断是否发射子弹
for(j=0;j<100;j++)
{
if(!c[j].exist)
{
c[j].x = mon[i].x + 61;
c[j].y = mon[i].y+30;
c[j].exist = true;
ccount++;
break;
}
}
}
mon[i].r[0].left = mon[i].x + 28;
mon[i].r[0].top = mon[i].y + 7;
mon[i].r[0].right = mon[i].x + 72;
mon[i].r[0].bottom = mon[i].y + 34;
mon[i].r[1].left = mon[i].x;
mon[i].r[1].top = mon[i].y + 23;
mon[i].r[1].right = mon[i].x + 49;
mon[i].r[1].bottom = mon[i].y + 59;
mon[i].r[2].left = mon[i].x + 24;
mon[i].r[2].top = mon[i].y + 50;
mon[i].r[2].right = mon[i].x + 48;
mon[i].r[2].bottom = mon[i].y + 59;
mon[i].p[0].x = mon[i].x +46;
mon[i].p[0].y = mon[i].y + 8;
mon[i].p[1].x = mon[i].x + 71;
mon[i].p[1].y = mon[i].y + 22;
mon[i].p[2].x = mon[i].x + 36;
mon[i].p[2].y = mon[i].y + 57;
mon[i].p[3].x = mon[i].x + 1;
mon[i].p[3].y = mon[i].y + 31;
mon[i].draw++;
DDBuf->BltFast(mon[i].x,mon[i].y,DDPla[3],CRect(0,0,80,59),DDBLTFAST_WAIT|DDBLTFAST_SRCCOLORKEY);
break;
case 1:
if(mon[i].draw%5 == 0)
{
mon[i].draw = 0;
if(mon[i].x > ship.x)
mon[i].x-=30;
else
mon[i].x+=30;
if(mon[i].y > ship.y)
mon[i].y-=30;
else
mon[i].y+=30;
}
mon[i].r[0].left = mon[i].x + 14;
mon[i].r[0].top = mon[i].y + 4;
mon[i].r[0].right = mon[i].x + 57;
mon[i].r[0].bottom = mon[i].y + 26;
mon[i].r[1].left = mon[i].x+1;
mon[i].r[1].top = mon[i].y + 14;
mon[i].r[1].right = mon[i].x + 43;
mon[i].r[1].bottom = mon[i].y + 41;
mon[i].r[2].left = mon[i].x + 5;
mon[i].r[2].top = mon[i].y + 34;
mon[i].r[2].right = mon[i].x + 22;
mon[i].r[2].bottom = mon[i].y + 55;
mon[i].p[0].x = mon[i].x +52;
mon[i].p[0].y = mon[i].y + 18;
mon[i].p[1].x = mon[i].x + 20;
mon[i].p[1].y = mon[i].y + 4;
mon[i].p[2].x = mon[i].x + 3;
mon[i].p[2].y = mon[i].y + 22;
mon[i].p[3].x = mon[i].x + 14;
mon[i].p[3].y = mon[i].y + 50;
mon[i].draw++;
DDBuf->BltFast(mon[i].x,mon[i].y,DDPla[4],CRect(0,0,60,56),DDBLTFAST_WAIT|DDBLTFAST_SRCCOLORKEY);
break;
case 2:
if(mon[i].draw%10 == 0)
{
mon[i].draw = 0;
mon[i].x -= 20;
if(mon[i].x < 0)
{
mon[i].exist = false;
break;
}
}
mon[i].r[0].left = mon[i].x + 1;
mon[i].r[0].top = mon[i].y + 8;
mon[i].r[0].right = mon[i].x + 78;
mon[i].r[0].bottom = mon[i].y + 37;
mon[i].r[1].left = mon[i].x+8;
mon[i].r[1].top = mon[i].y + 36;
mon[i].r[1].right = mon[i].x + 52;
mon[i].r[1].bottom = mon[i].y + 50;
mon[i].r[2].left = mon[i].x + 20;
mon[i].r[2].top = mon[i].y + 0;
mon[i].r[2].right = mon[i].x + 37;
mon[i].r[2].bottom = mon[i].y + 8;
mon[i].p[0].x = mon[i].x +4;
mon[i].p[0].y = mon[i].y + 21;
mon[i].p[1].x = mon[i].x + 31;
mon[i].p[1].y = mon[i].y + 3;
mon[i].p[2].x = mon[i].x + 72;
mon[i].p[2].y = mon[i].y + 24;
mon[i].p[3].x = mon[i].x + 36;
mon[i].p[3].y = mon[i].y + 45;
mon[i].draw++;
DDBuf->BltFast(mon[i].x,mon[i].y,DDPla[5],CRect(0,0,79,51),DDBLTFAST_WAIT|DDBLTFAST_SRCCOLORKEY);
break;
}
}
}