/* === S Y N F I G ========================================================= */
/*! \file valuenode_segcalctangent.cpp
-** \brief Template File
+** \brief Implementation of the "Segment Tangent" valuenode conversion.
**
-** $Id: valuenode_segcalctangent.cpp,v 1.1.1.1 2005/01/04 01:23:15 darco Exp $
+** $Id$
**
** \legal
-** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007, 2008 Chris Moore
**
-** This software and associated documentation
-** are CONFIDENTIAL and PROPRIETARY property of
-** the above-mentioned copyright holder.
+** This package is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License as
+** published by the Free Software Foundation; either version 2 of
+** the License, or (at your option) any later version.
**
-** You may not copy, print, publish, or in any
-** other way distribute this software without
-** a prior written agreement with
-** the copyright holder.
+** This package is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** General Public License for more details.
** \endlegal
*/
/* ========================================================================= */
LinkableValueNode(x)
{
if(x!=ValueBase::TYPE_VECTOR)
- throw Exception::BadType(ValueBase::type_name(x));
-
- segment_=ValueNode_Composite::create(ValueBase::TYPE_SEGMENT);
- amount_=ValueNode_Const::create(Real(0.5));
+ throw Exception::BadType(ValueBase::type_local_name(x));
+
+ set_link("segment",ValueNode_Const::create(ValueBase::TYPE_SEGMENT));
+ set_link("amount",ValueNode_Const::create(Real(0.5)));
}
ValueNode_SegCalcTangent*
etl::hermite<Vector> curve(segment.p1,segment.p2,segment.t1,segment.t2);
etl::derivative< etl::hermite<Vector> > deriv(curve);
-
-#ifdef ETL_FIXED_DERIVATIVE
+
return deriv((*amount_)(t).get(Real()))*(0.5);
-#else
- return deriv((*amount_)(t).get(Real()))*(-0.5);
-#endif
-
}
String
ValueNode_SegCalcTangent::get_local_name()const
{
- return _("SegCalcTangent");
+ return _("Segment Tangent");
}
-
+
bool
ValueNode_SegCalcTangent::check_type(ValueBase::Type type)
{
}
bool
-ValueNode_SegCalcTangent::set_link_vfunc(int i,ValueNode::Handle x)
+ValueNode_SegCalcTangent::set_link_vfunc(int i,ValueNode::Handle value)
{
- assert(i==0 || i==1);
- if(i==0)
- {
- segment_=x;
- signal_child_changed()(i);signal_value_changed()();
- return true;
- }
- if(i==1)
+ assert(i>=0 && i<link_count());
+
+ switch(i)
{
- amount_=x;
- signal_child_changed()(i);signal_value_changed()();
- return true;
+ case 0: CHECK_TYPE_AND_SET_VALUE(segment_, ValueBase::TYPE_SEGMENT);
+ case 1: CHECK_TYPE_AND_SET_VALUE(amount_, ValueBase::TYPE_REAL);
}
return false;
}
ValueNode::LooseHandle
ValueNode_SegCalcTangent::get_link_vfunc(int i)const
{
- assert(i==0 || i==1);
+ assert(i>=0 && i<link_count());
+
if(i==0)
return segment_;
if(i==1)
String
ValueNode_SegCalcTangent::link_name(int i)const
{
- assert(i==0 || i==1);
+ assert(i>=0 && i<link_count());
+
if(i==0)
return "segment";
if(i==1)
String
ValueNode_SegCalcTangent::link_local_name(int i)const
{
- assert(i==0 || i==1);
+ assert(i>=0 && i<link_count());
+
if(i==0)
return _("Segment");
if(i==1)
return 0;
if(name=="amount")
return 1;
-
+
throw Exception::BadLinkName(name);
}