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sparkleParticleRenderer.h

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// Filename: sparkleParticleRenderer.h
// Created by:  charles (27Jun00)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license.  You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://www.panda3d.org/license.txt .
//
// To contact the maintainers of this program write to
// panda3d@yahoogroups.com .
//
////////////////////////////////////////////////////////////////////

#ifndef SPARKLEPARTICLERENDERER_H
#define SPARKLEPARTICLERENDERER_H

#include "baseParticle.h"
#include "baseParticleRenderer.h"

#include <pointerTo.h>
#include <pointerToArray.h>
#include <geom.h>
#include <geomLine.h>

enum SparkleParticleLifeScale {
  SP_NO_SCALE,
  SP_SCALE
};

////////////////////////////////////////////////////////////////////
//       Class : SparkleParticleRenderer
// Description : pretty sparkly things.
////////////////////////////////////////////////////////////////////

class EXPCL_PANDAPHYSICS SparkleParticleRenderer : public BaseParticleRenderer {
PUBLISHED:
  enum SparkleParticleLifeScale {
    SP_NO_SCALE,
    SP_SCALE
  };

  SparkleParticleRenderer(void);
  SparkleParticleRenderer(const SparkleParticleRenderer& copy);
  SparkleParticleRenderer(const Colorf& center,
                          const Colorf& edge,
                          float birth_radius,
                          float death_radius,
                          SparkleParticleLifeScale life_scale,
                          ParticleRendererAlphaMode alpha_mode);

  virtual ~SparkleParticleRenderer(void);

  virtual BaseParticleRenderer *make_copy(void);

  INLINE void set_center_color(const Colorf& c);
  INLINE void set_edge_color(const Colorf& c);
  INLINE void set_birth_radius(float radius);
  INLINE void set_death_radius(float radius);
  INLINE void set_life_scale(SparkleParticleLifeScale);

  INLINE const Colorf& get_center_color(void) const;
  INLINE const Colorf& get_edge_color(void) const;
  INLINE float get_birth_radius(void) const;
  INLINE float get_death_radius(void) const;
  INLINE SparkleParticleLifeScale get_life_scale(void) const;

private:

  Colorf _center_color;
  Colorf _edge_color;

  float _birth_radius;
  float _death_radius;

  PT(GeomLine) _line_primitive;

  PTA_Vertexf _vertex_array;
  PTA_Colorf _color_array;

  int _max_pool_size;

  SparkleParticleLifeScale _life_scale;
  LPoint3f _aabb_min, _aabb_max;

  INLINE float get_radius(BaseParticle *bp);

  virtual void birth_particle(int index);
  virtual void kill_particle(int index);
  virtual void init_geoms(void);
  virtual void render(pvector< PT(PhysicsObject) >& po_vector,
                      int ttl_particles);
  virtual void resize_pool(int new_size);
};

#include "sparkleParticleRenderer.I"

#endif // SPARKLEPARTICLERENDERER_H

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