56 lines
1.5 KiB
C++
56 lines
1.5 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 tangentRingEmitter.h
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* @author charles
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* @date 2000-07-25
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*/
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#ifndef TANGENTRINGEMITTER_H
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#define TANGENTRINGEMITTER_H
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#include "baseParticleEmitter.h"
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/**
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* Describes a planar ring region in which tangent particles are generated,
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* and particles fly off tangential to the ring.
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*/
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class EXPCL_PANDA_PARTICLESYSTEM TangentRingEmitter : public BaseParticleEmitter {
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PUBLISHED:
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TangentRingEmitter();
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TangentRingEmitter(const TangentRingEmitter ©);
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virtual ~TangentRingEmitter();
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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_radius_spread(PN_stdfloat spread);
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INLINE PN_stdfloat get_radius() const;
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INLINE PN_stdfloat get_radius_spread() 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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PN_stdfloat _radius_spread;
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// CUSTOM EMISSION PARAMETERS none
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// scratch variables that carry over from position calc to velocity calc
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PN_stdfloat _x;
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PN_stdfloat _y;
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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 "tangentRingEmitter.I"
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#endif // TANGENTRINGEMITTER_H
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