110 lines
3.6 KiB
C++
110 lines
3.6 KiB
C++
// Filename: linearSinkForce.cxx
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// Created by: charles (21Jun00)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#include "linearSinkForce.h"
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TypeHandle LinearSinkForce::_type_handle;
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////////////////////////////////////////////////////////////////////
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// Function : LinearSinkForce
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// Access : Public
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// Description : Simple constructor
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////////////////////////////////////////////////////////////////////
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LinearSinkForce::
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LinearSinkForce(const LPoint3f& p, FalloffType f, float r, float 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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// Function : LinearSinkForce
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// Access : Public
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// Description : Simple constructor
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////////////////////////////////////////////////////////////////////
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LinearSinkForce::
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LinearSinkForce() :
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LinearDistanceForce(LPoint3f(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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// Function : LinearSinkForce
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// Access : Public
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// Description : copy constructor
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////////////////////////////////////////////////////////////////////
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LinearSinkForce::
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LinearSinkForce(const LinearSinkForce ©) :
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LinearDistanceForce(copy) {
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}
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////////////////////////////////////////////////////////////////////
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// Function : ~LinearSinkForce
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// Access : Public
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// Description : Simple destructor
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////////////////////////////////////////////////////////////////////
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LinearSinkForce::
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~LinearSinkForce() {
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}
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////////////////////////////////////////////////////////////////////
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// Function : make_copy
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// Access : Public
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// Description : copier
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////////////////////////////////////////////////////////////////////
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LinearForce *LinearSinkForce::
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make_copy() {
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return new LinearSinkForce(*this);
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}
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////////////////////////////////////////////////////////////////////
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// Function : get_child_vector
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// Access : Public
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// Description : virtual force query
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////////////////////////////////////////////////////////////////////
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LVector3f LinearSinkForce::
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get_child_vector(const PhysicsObject *po) {
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return (get_force_center() - po->get_position()) * get_scalar_term();
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}
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////////////////////////////////////////////////////////////////////
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// Function : output
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// Access : Public
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// Description : Write a string representation of this instance to
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// <out>.
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////////////////////////////////////////////////////////////////////
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void LinearSinkForce::
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output(ostream &out) const {
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#ifndef NDEBUG //[
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out<<"LinearSinkForce";
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#endif //] NDEBUG
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}
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////////////////////////////////////////////////////////////////////
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// Function : write
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// Access : Public
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// Description : Write a string representation of this instance to
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// <out>.
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////////////////////////////////////////////////////////////////////
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void LinearSinkForce::
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write(ostream &out, unsigned int indent) const {
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#ifndef NDEBUG //[
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out.width(indent); out<<""; out<<"LinearSinkForce:\n";
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LinearDistanceForce::write(out, indent+2);
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#endif //] NDEBUG
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}
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