stk-code_catmod/src/particle_system.hpp
cosmosninja eb482c7d4b Updated the GPL version to GPLv3.
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/trunk/supertuxkart@2128 178a84e3-b1eb-0310-8ba1-8eac791a3b58
2008-06-13 00:53:52 +00:00

101 lines
2.6 KiB
C++

/*
$Id$
PLIB - A Suite of Portable Game Libraries
Copyright (C) 1998,2002 Steve Baker
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
For further information visit http://plib.sourceforge.net */
#include <plib/ssg.h>
class Particle
{
public:
sgVec4 m_col ;
sgVec3 m_pos ;
sgVec3 m_vel ;
sgVec3 m_acc ;
float m_size ;
float m_time_to_live ;
void *m_user_data ;
void update ( float dt )
{
sgAddScaledVec3 ( m_vel, m_acc, dt ) ;
sgAddScaledVec3 ( m_pos, m_vel, dt ) ;
m_time_to_live -= dt ;
}
Particle ()
{
sgSetVec4 ( m_col, 1, 1, 1, 1 ) ;
sgZeroVec3 ( m_pos ) ;
sgZeroVec3 ( m_vel ) ;
sgZeroVec3 ( m_acc ) ;
m_time_to_live = 0 ;
m_user_data = 0 ;
m_size = 1.0f ;
}
} ;
class ParticleSystem ;
class ParticleSystem : public ssgVtxTable
{
int m_num_particles ;
int m_num_verts ;
int m_turn_to_face ;
int m_num_active ;
Particle* m_particles ;
float m_create_error ;
float m_create_rate ;
float m_size ;
public:
ParticleSystem ( int num, float _create_rate, int _turn_to_face,
float sz, float bsphere_size);
virtual ~ParticleSystem () ;
virtual void update ( float t ) ;
virtual void particle_create( int index, Particle *p ) = 0;
virtual void particle_update( float deltaTime, int index, Particle *p ) = 0;
virtual void particle_delete( int index, Particle* p ) = 0;
void init(int initial_num);
void recalcBSphere();
void setSize ( float sz ) { m_size = sz ; }
float getSize () const { return m_size ; }
void draw_geometry () ;
void setCreationRate ( float cr ) { m_create_rate = cr ; }
float getCreationRate () const { return m_create_rate ; }
int getNumParticles () const { return m_num_particles ; }
int getNumActiveParticles () const { return m_num_active ; }
} ;
/* EOF */