72 lines
2.1 KiB
C
72 lines
2.1 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 linearControlForce.h
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* @author Dave Schuyler
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* @date 2006
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*/
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#ifndef LINEARCONTROLFORCE_H
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#define LINEARCONTROLFORCE_H
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#include "linearForce.h"
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/**
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* Simple directed vector force. This force is different from the others in
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* that it can be global and still only affect a single object. That might
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* not make sense for a physics simulation, but it's very handy for a game.
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* I.e. this is the force applied by user on the selected object.
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*/
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class EXPCL_PANDA_PHYSICS LinearControlForce : public LinearForce {
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PUBLISHED:
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explicit LinearControlForce(const PhysicsObject *po = 0, PN_stdfloat a = 1.0f,
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bool mass = false);
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LinearControlForce(const LinearControlForce ©);
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virtual ~LinearControlForce();
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INLINE void clear_physics_object();
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INLINE void set_physics_object(const PhysicsObject *po);
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INLINE CPT(PhysicsObject) get_physics_object() const;
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INLINE void set_vector(const LVector3& v);
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INLINE void set_vector(PN_stdfloat x, PN_stdfloat y, PN_stdfloat z);
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INLINE LVector3 get_local_vector() 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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CPT(PhysicsObject) _physics_object;
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LVector3 _fvec;
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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, "LinearControlForce",
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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 "linearControlForce.I"
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#endif // LINEARCONTROLFORCE_H
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