historical/toontown-classic.git/panda/include/discEmitter.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 discEmitter.h
* @author charles
* @date 2000-06-22
*/
#ifndef DISCEMITTER_H
#define DISCEMITTER_H
#include "baseParticleEmitter.h"
/**
* Describes a planar disc region from which particles are generated
*/
class EXPCL_PANDA_PARTICLESYSTEM DiscEmitter : public BaseParticleEmitter {
PUBLISHED:
DiscEmitter();
DiscEmitter(const DiscEmitter &copy);
virtual ~DiscEmitter();
virtual BaseParticleEmitter *make_copy();
INLINE void set_radius(PN_stdfloat r);
INLINE void set_outer_angle(PN_stdfloat o_angle);
INLINE void set_inner_angle(PN_stdfloat i_angle);
INLINE void set_outer_magnitude(PN_stdfloat o_mag);
INLINE void set_inner_magnitude(PN_stdfloat i_mag);
INLINE void set_cubic_lerping(bool clerp);
INLINE PN_stdfloat get_radius() const;
INLINE PN_stdfloat get_outer_angle() const;
INLINE PN_stdfloat get_inner_angle() const;
INLINE PN_stdfloat get_outer_magnitude() const;
INLINE PN_stdfloat get_inner_magnitude() const;
INLINE bool get_cubic_lerping() const;
virtual void output(std::ostream &out) const;
virtual void write(std::ostream &out, int indent=0) const;
private:
PN_stdfloat _radius;
// CUSTOM EMISSION PARAMETERS
PN_stdfloat _inner_aoe;
PN_stdfloat _outer_aoe;
PN_stdfloat _inner_magnitude;
PN_stdfloat _outer_magnitude;
bool _cubic_lerping;
// scratch variables that carry over from position calc to velocity calc
PN_stdfloat _distance_from_center;
PN_stdfloat _sinf_theta;
PN_stdfloat _cosf_theta;
virtual void assign_initial_position(LPoint3& pos);
virtual void assign_initial_velocity(LVector3& vel);
};
#include "discEmitter.I"
#endif // DISCEMITTER_H