68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file discEmitter.h
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* @author charles
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* @date 2000-06-22
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*/
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#ifndef DISCEMITTER_H
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#define DISCEMITTER_H
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#include "baseParticleEmitter.h"
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/**
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* Describes a planar disc region from which particles are generated
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*/
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class EXPCL_PANDA_PARTICLESYSTEM DiscEmitter : public BaseParticleEmitter {
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PUBLISHED:
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DiscEmitter();
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DiscEmitter(const DiscEmitter ©);
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virtual ~DiscEmitter();
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virtual BaseParticleEmitter *make_copy();
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INLINE void set_radius(PN_stdfloat r);
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INLINE void set_outer_angle(PN_stdfloat o_angle);
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INLINE void set_inner_angle(PN_stdfloat i_angle);
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INLINE void set_outer_magnitude(PN_stdfloat o_mag);
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INLINE void set_inner_magnitude(PN_stdfloat i_mag);
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INLINE void set_cubic_lerping(bool clerp);
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INLINE PN_stdfloat get_radius() const;
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INLINE PN_stdfloat get_outer_angle() const;
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INLINE PN_stdfloat get_inner_angle() const;
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INLINE PN_stdfloat get_outer_magnitude() const;
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INLINE PN_stdfloat get_inner_magnitude() const;
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INLINE bool get_cubic_lerping() const;
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virtual void output(std::ostream &out) const;
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virtual void write(std::ostream &out, int indent=0) const;
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private:
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PN_stdfloat _radius;
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// CUSTOM EMISSION PARAMETERS
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PN_stdfloat _inner_aoe;
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PN_stdfloat _outer_aoe;
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PN_stdfloat _inner_magnitude;
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PN_stdfloat _outer_magnitude;
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bool _cubic_lerping;
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// scratch variables that carry over from position calc to velocity calc
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PN_stdfloat _distance_from_center;
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PN_stdfloat _sinf_theta;
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PN_stdfloat _cosf_theta;
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virtual void assign_initial_position(LPoint3& pos);
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virtual void assign_initial_velocity(LVector3& vel);
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};
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#include "discEmitter.I"
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#endif // DISCEMITTER_H
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