historical/toontown-classic.git/panda/include/tangentRingEmitter.h

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2024-01-16 11:20:27 -06:00
/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file tangentRingEmitter.h
* @author charles
* @date 2000-07-25
*/
#ifndef TANGENTRINGEMITTER_H
#define TANGENTRINGEMITTER_H
#include "baseParticleEmitter.h"
/**
* Describes a planar ring region in which tangent particles are generated,
* and particles fly off tangential to the ring.
*/
class EXPCL_PANDA_PARTICLESYSTEM TangentRingEmitter : public BaseParticleEmitter {
PUBLISHED:
TangentRingEmitter();
TangentRingEmitter(const TangentRingEmitter &copy);
virtual ~TangentRingEmitter();
virtual BaseParticleEmitter *make_copy();
INLINE void set_radius(PN_stdfloat r);
INLINE void set_radius_spread(PN_stdfloat spread);
INLINE PN_stdfloat get_radius() const;
INLINE PN_stdfloat get_radius_spread() const;
virtual void output(std::ostream &out) const;
virtual void write(std::ostream &out, int indent=0) const;
private:
PN_stdfloat _radius;
PN_stdfloat _radius_spread;
// CUSTOM EMISSION PARAMETERS none
// scratch variables that carry over from position calc to velocity calc
PN_stdfloat _x;
PN_stdfloat _y;
virtual void assign_initial_position(LPoint3& pos);
virtual void assign_initial_velocity(LVector3& vel);
};
#include "tangentRingEmitter.I"
#endif // TANGENTRINGEMITTER_H