87 lines
1.8 KiB
C++
87 lines
1.8 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 linearSourceForce.cxx
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* @author charles
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* @date 2000-06-21
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*/
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#include "linearSourceForce.h"
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TypeHandle LinearSourceForce::_type_handle;
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/**
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* Simple constructor
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*/
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LinearSourceForce::
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LinearSourceForce(const LPoint3& p, FalloffType f, PN_stdfloat r, PN_stdfloat a,
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bool mass) :
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LinearDistanceForce(p, f, r, a, mass) {
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}
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/**
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* Simple constructor
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*/
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LinearSourceForce::
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LinearSourceForce() :
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LinearDistanceForce(LPoint3(0.0f, 0.0f, 0.0f), FT_ONE_OVER_R_SQUARED,
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1.0f, 1.0f, true) {
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}
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/**
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* copy constructor
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*/
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LinearSourceForce::
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LinearSourceForce(const LinearSourceForce ©) :
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LinearDistanceForce(copy) {
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}
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/**
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* Simple destructor
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*/
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LinearSourceForce::
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~LinearSourceForce() {
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}
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/**
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* copier
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*/
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LinearForce *LinearSourceForce::
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make_copy() {
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return new LinearSourceForce(*this);
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}
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/**
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* virtual force query
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*/
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LVector3 LinearSourceForce::
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get_child_vector(const PhysicsObject *po) {
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return (po->get_position() - get_force_center()) * get_scalar_term();
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}
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/**
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* Write a string representation of this instance to <out>.
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*/
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void LinearSourceForce::
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output(std::ostream &out) const {
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#ifndef NDEBUG //[
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out<<"LinearSourceForce";
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#endif //] NDEBUG
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}
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/**
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* Write a string representation of this instance to <out>.
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*/
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void LinearSourceForce::
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write(std::ostream &out, int indent) const {
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#ifndef NDEBUG //[
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out.width(indent); out<<""; out<<"LinearSourceForce:\n";
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LinearDistanceForce::write(out, indent+2);
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#endif //] NDEBUG
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}
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