77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
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/**
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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 linearCylinderVortexForce.h
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* @author charles
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* @date 2000-07-24
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*/
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#ifndef LINEARCYLINDERVORTEXFORCE_H
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#define LINEARCYLINDERVORTEXFORCE_H
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#include "linearForce.h"
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/**
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* Defines a cylinder inside of which all forces are tangential to the theta
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* of the particle wrt the z-axis in local coord. space. This happens by
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* assigning the force a node by which the cylinder is transformed. Be
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* warned- this will suck anything that it can reach directly into orbit and
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* will NOT let go.
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*/
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class EXPCL_PANDA_PHYSICS LinearCylinderVortexForce : public LinearForce {
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PUBLISHED:
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explicit LinearCylinderVortexForce(PN_stdfloat radius = 1.0f,
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PN_stdfloat length = 0.0f,
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PN_stdfloat coef = 1.0f,
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PN_stdfloat a = 1.0f,
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bool md = false);
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LinearCylinderVortexForce(const LinearCylinderVortexForce ©);
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virtual ~LinearCylinderVortexForce();
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INLINE void set_coef(PN_stdfloat coef);
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INLINE PN_stdfloat get_coef() const;
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INLINE void set_radius(PN_stdfloat radius);
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INLINE PN_stdfloat get_radius() const;
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INLINE void set_length(PN_stdfloat length);
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INLINE PN_stdfloat get_length() 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 _length;
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PN_stdfloat _coef;
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virtual LinearForce *make_copy();
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virtual LVector3 get_child_vector(const PhysicsObject *po);
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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LinearForce::init_type();
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register_type(_type_handle, "LinearCylinderVortexForce",
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LinearForce::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "linearCylinderVortexForce.I"
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#endif // LINEARCYLINDERVORTEXFORCE_H
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