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// Rifle.cpp: implementation of the CRifle class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#include "stdafx.h" 
#include "Rifle.h" 
 
////////////////////////////////////////////////////////////////////// 
// Construction/Destruction 
////////////////////////////////////////////////////////////////////// 
 
CRifle::CRifle() 
{ 
	m_bHit=false; 
} 
 
CRifle::~CRifle() 
{ 
} 
bool CRifle::LunchBullet(int id,VERTEX  startPos,float rotx,float roty,NORMAL direction) 
{ 
	m_id=id; 
    m_bulletPos=startPos; 
	m_rotX=rotx; 
	m_rotY=roty; 
    m_direction = direction; 
	CalcDestinationPos(); 
   
	if(m_bHit) 
	{ 
	    m_bltParticle.InitParticle(EXPLOSION_P,startPos); 
 	} 
 
    ///////////////Draw Bullet Track////////////////////// 
    glDisable(GL_TEXTURE_2D); 
	glColor3f(0.6f,0.7f,0.75f); 
	glBegin(GL_LINES); 
	    glVertex3f(startPos.xpos,    startPos.ypos,    startPos.zpos); 
	    glVertex3f(m_bulletPos.xpos, m_bulletPos.ypos, m_bulletPos.zpos); 
/* 
	    glVertex3f(startPos.xpos,    startPos.ypos,    startPos.zpos); 
	    glVertex3f(m_bulletPos.xpos+2, m_bulletPos.ypos+2, m_bulletPos.zpos); 
 
	    glVertex3f(startPos.xpos,    startPos.ypos,    startPos.zpos); 
	    glVertex3f(m_bulletPos.xpos, m_bulletPos.ypos+5, m_bulletPos.zpos+2); 
 
	    glVertex3f(startPos.xpos,    startPos.ypos,    startPos.zpos); 
	    glVertex3f(m_bulletPos.xpos, m_bulletPos.ypos-6, m_bulletPos.zpos); 
 */  glEnd(); 
    ////  
	return true; 
} 
 
void  CRifle::CalcDestinationPos() 
{ 
	 
	float deltaH=8; 
	float step=1; 
    m_bHit=false; 
	int   count=0; 
	while(deltaH >0 && count<1000) 
	{    
//		step=deltaH*0.5f; 
        m_bulletPos.xpos+=m_direction.nx*step; 
        m_bulletPos.ypos+=m_direction.ny*step; 
        m_bulletPos.zpos+=m_direction.nz*step; 
 
		deltaH=m_bulletPos.ypos-m_cHmap.GetHeight(&m_bulletPos); 
		count++; 
	} 
	if(deltaH<0) 
	{ 
		m_bHit=true; 
	} 
} 
void CRifle::DrawRifleShot() 
{ 
	if(!m_bHit)return; 
    glPushMatrix();	 
	glTranslatef(m_bulletPos.xpos,m_bulletPos.ypos,m_bulletPos.zpos); 
	glRotatef(*m_cHmap.m_pViewRotY,  0.0f,1.0f,0.0f); 
	glRotatef(-*m_cHmap.m_pViewRotX,  1.0f,0.0f,0.0f); 
 
        m_bltParticle.DrawParticles(m_bulletPos); 
 
    glPopMatrix(); 
 
 
}