GameWorld.cpp

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

#include "stdafx.h"

// 常数定义
const int GameWorld::Width=640;
const int GameWorld::Height=480;
const int GameWorld::MsPerFrame=20;
const double GameWorld::PI=3.1415926535897932;

// 构造函数
GameWorld::GameWorld(HWND hwnd)
	:GameWindow(hwnd)
{
	Time=GetTickCount();

	ZeroMemory(&FPS, sizeof(FPS));
	FPS.LastTime = Time;
	kFPS = 1.0;

	srand(time(0));
	BufKey=0;
	CurKey=0;
	Level = 1;

	pScreen				= new Display(this);
	pPlayer				= new Player(this, Width/2, Height/2);
	pPlayerBulletSystem		= new BulletSystem(this);
	pEnermyBulletSystem		= new BulletSystem(this);
	pEnermySystem		= new EnermySystem(this);
	pCollisionSystem	= new CollisionSystem(this);
}

// 释构函数
GameWorld::~GameWorld() 
{
	delete pScreen;
}

// 刷新游戏
void GameWorld::Update()
{
	int t=GetTickCount();
	if( t-Time < MsPerFrame )
		return;
	Time=t;
	
	// 难度升级
	if(pPlayer->Score >= Level*300)
	{
		pEnermySystem->AddDifficulty();
		Level++;
	}

	// 清空屏幕
	pScreen->Clear();

	pCollisionSystem->Update();
	pEnermyBulletSystem->Update();
	pPlayerBulletSystem->Update();
	pEnermySystem->Update();
	pPlayer->Update();