www.pudn.com > MyGame.rar > BulletFireBall.cpp

// BulletFireBall.cpp: implementation of the CBulletFireBall class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#include "stdafx.h" 
#include "MyGame.h" 
#include "BulletFireBall.h" 
 
#ifdef _DEBUG 
#undef THIS_FILE 
static char THIS_FILE[]=__FILE__; 
#define new DEBUG_NEW 
#endif 
 
////////////////////////////////////////////////////////////////////// 
// Construction/Destruction 
////////////////////////////////////////////////////////////////////// 
 
CBulletFireBall::CBulletFireBall() 
{ 
	ttl=3000; 
} 
 
CBulletFireBall::~CBulletFireBall() 
{ 
 
} 
 
int CBulletFireBall::Draw() 
{ 
	if(ttl>1000)	 
		return CBullet::Draw(); 
	else	 
	{ 
		glDisable(GL_LIGHTING); 
		glPushMatrix(); 
		glTranslate(p); 
		float size=(1000-ttl)/50.0; 
		glScalef(size,size,size); 
		const int nbul=24; 
		glBegin(GL_LINES); 
		for(int i=0;i<=nbul;i++) 
		{ 
			glColor3f((GLfloat)1., (GLfloat)1., (GLfloat).4); 
			glVertex3f(1.2*cos(float(i)*M_PI*2.0/nbul),1.1*sin(float(i)*M_PI*2.0/nbul),0.0); 
			glColor3f(0, 0, 0); 
			glVertex3f(cos(float(i)*M_PI*2.0/nbul),sin(float(i)*M_PI*2.0/nbul),0.0); 
		} 
		glEnd(); 
		glEnable(GL_LIGHTING); 
		glPopMatrix(); 
		return nbul; 
	} 
}