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linearForce.h
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79 lines (61 loc) · 1.84 KB
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/**
* 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 linearForce.h
* @author charles
* @date 2000-06-13
*/
#ifndef LINEARFORCE_H
#define LINEARFORCE_H
#include "baseForce.h"
/**
* A force that acts on a PhysicsObject by way of an Integrator. This is a
* pure virtual base class.
*/
class EXPCL_PANDA_PHYSICS LinearForce : public BaseForce {
PUBLISHED:
~LinearForce();
INLINE void set_amplitude(const PN_stdfloat a);
INLINE void set_mass_dependent(bool m);
INLINE PN_stdfloat get_amplitude() const;
INLINE bool get_mass_dependent() const;
INLINE void set_vector_masks(bool x, bool y, bool z);
INLINE LVector3 get_vector_masks();
LVector3 get_vector(const PhysicsObject *po);
virtual LinearForce *make_copy() = 0;
virtual bool is_linear() const;
virtual void output(std::ostream &out) const;
virtual void write(std::ostream &out, int indent=0) const;
protected:
LinearForce(PN_stdfloat a, bool mass);
LinearForce(const LinearForce& copy);
private:
PN_stdfloat _amplitude;
bool _mass_dependent;
bool _x_mask;
bool _y_mask;
bool _z_mask;
virtual LVector3 get_child_vector(const PhysicsObject *po) = 0;
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
BaseForce::init_type();
register_type(_type_handle, "LinearForce",
BaseForce::get_class_type());
}
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
private:
static TypeHandle _type_handle;
};
#include "linearForce.I"
#endif // BASELINEARFORCE_H