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/*
* Luola - 2D multiplayer cave-flying game
* Copyright (C) 2001-2006 Calle Laakkonen
*
* File : particle.h
* Description : Particle engine
* Author(s) : Calle Laakkonen
*
* Luola is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Luola 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef PARTICLE_H
#define PARTICLE_H
#include "physics.h"
struct Particle {
Vector vector;
float x, y;
int age;
int rd, gd, bd, ad;
unsigned char color[4];
};
/* Delete all particles */
extern void clear_particles (void);
/* Create a new particle and add it to the list */
extern struct Particle *make_particle (float x, float y, int age);
/* Animate and draw particles */
extern void animate_particles (void);
extern void calc_color_deltas (struct Particle * part,Uint8 r,Uint8 g,Uint8 b,Uint8 a);
#endif
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