enemytank.cpp

一个坦克大战的源码

// EnemyTank.cpp: implementation of the CEnemyTank class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "EnemyTank.h"
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CEnemyTank::CEnemyTank():CBaseTank(this)
{
	boolFlip=1;
	iPos=0;
	appearance=0;		//0 - 79: 只有小星星 80: 坦克原形
						//当坦克现出原形后方可响应键盘
///////////////////
	
	positionY = 0;
	switch(rand()%4)
	{
	case 0: positionX = 0; break;
	case 1: positionX = 9*32; break;
	case 2: positionX = 10*32; break;
	case 3: positionX = 19*32; break;
	}

	direction = rand()%4;
	int i,j;

	j=rand()%21;
	switch(j)
	{
	case 0:case 1:case 2:
	case 3:case 4:case 5: i=0;break;
	case 6:case 7:case 8:
	case 9:case 10:		  i=2;break;
	case 11:case 12:case 13:
	case 14:			  i=4;break;
	case 15:case 16:case 17:i=1;break;
	case 18:case 19:	  i=3;break;
	case 20:			  i=5;break;
	}

	if(i==5)
		type=15;
	else type=i+8;

	if(type==10||type==11)
		speed=2;
	else speed=1;
	width=28;
	height=28;			//坦克的大小
	movement=0;
//////////////////////

	bulletSpeed = 3;
	power = 10;
	bulletNum = 2;
//////////////////////
	strcpy(name,"EnemyTank");
}

CEnemyTank::~CEnemyTank()
{

}

bool CEnemyTank::ActiveObject()
{

	if(appearance==80)
	{
		movement=1;
		appearance++;
	}
	if(rand()%1000>900 && !iPos)
	{
		switch(rand()%10)
		{
		case 0:
		case 1:
		case 2:	direction=2;break;
		case 3:
		case 4:	direction=1;break;
		case 5:	
		case 6:	direction=3;break;
		case 7:	direction=0;break;
		}
	}

	if(rand()%1000>955)
		this->Tankfire(1);

	return CBaseTank::ActiveObject();
}