88 lines
2.2 KiB
C++
88 lines
2.2 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 linearIntegrator.cxx
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* @author charles
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* @date 2000-08-02
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*/
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#include "linearIntegrator.h"
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#include "config_physics.h"
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#include "physicalNode.h"
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#include "forceNode.h"
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ConfigVariableDouble LinearIntegrator::_max_linear_dt
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("default_max_linear_dt", 1.0f / 30.0f);
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/**
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* constructor
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*/
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LinearIntegrator::
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LinearIntegrator() {
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}
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/**
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* destructor
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*/
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LinearIntegrator::
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~LinearIntegrator() {
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}
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/**
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* parent integration routine, hands off to child virtual.
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*/
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void LinearIntegrator::
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integrate(Physical *physical, LinearForceVector &forces,
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PN_stdfloat dt) {
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/* <-- darren, 2000.10.06
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// cap dt so physics don't go flying off on lags
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if (dt > _max_linear_dt)
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dt = _max_linear_dt;
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*/
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PhysicsObject::Vector::const_iterator current_object_iter;
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current_object_iter = physical->get_object_vector().begin();
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for (; current_object_iter != physical->get_object_vector().end();
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++current_object_iter) {
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PhysicsObject *current_object = *current_object_iter;
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// bail out if this object doesn't exist or doesn't want to be processed.
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if (current_object == nullptr) {
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continue;
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}
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// set the object's last position to its current position before we move
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// it
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current_object->set_last_position(current_object->get_position());
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}
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child_integrate(physical, forces, dt);
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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 LinearIntegrator::
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output(std::ostream &out) const {
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#ifndef NDEBUG //[
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out<<"LinearIntegrator";
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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 LinearIntegrator::
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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<<"LinearIntegrator:\n";
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out.width(indent+2); out<<""; out<<"_max_linear_dt "<<_max_linear_dt<<" (class static)\n";
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BaseIntegrator::write(out, indent+2);
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#endif //] NDEBUG
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}
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