openscad/src/bend.cc

95 lines
3.0 KiB
C++

/*
* OpenSCAD (www.openscad.org)
* Copyright (C) 2009-2011 Clifford Wolf <clifford@clifford.at> and
* Marius Kintel <marius@kintel.net>
*
* This program 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.
*
* As a special exception, you have permission to link this program
* with the CGAL library and distribute executables, as long as you
* follow the requirements of the GNU GPL in regard to all of the
* software in the executable aside from CGAL.
*
* This program 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "bendnode.h"
#include "module.h"
#include "evalcontext.h"
#include "printutils.h"
#include "fileutils.h"
#include "builtin.h"
#include "calc.h"
#include "polyset.h"
#include "mathc99.h"
#include <sstream>
#include <boost/assign/std/vector.hpp>
using namespace boost::assign; // bring 'operator+=()' into scope
class BendModule : public AbstractModule
{
public:
BendModule() { }
virtual AbstractNode *instantiate(const Context *ctx, const ModuleInstantiation *inst, const EvalContext *evalctx) const;
};
AbstractNode *BendModule::instantiate(const Context *ctx, const ModuleInstantiation *inst, const EvalContext *evalctx) const
{
BendNode *node = new BendNode(inst);
AssignmentList args;
args += Assignment("center"), Assignment("fixed"), Assignment("cyl");
Context c(ctx);
c.setVariables(args, evalctx);
Value convexity = c.lookup_variable("convexity", true);
Value center = c.lookup_variable("center");
Value fixed = c.lookup_variable("fixed");
Value cyl = c.lookup_variable("cyl");
node->convexity = (int)convexity.toDouble();
center.getVec3(node->center_x, node->center_y, node->center_z);
fixed.getVec3(node->fixed_x, node->fixed_y, node->fixed_z);
cyl.getVec3(node->cyl_x, node->cyl_y, node->cyl_z);
if (node->convexity <= 0)
node->convexity = 1;
std::vector<AbstractNode *> instantiatednodes = inst->instantiateChildren(evalctx);
node->children.insert(node->children.end(), instantiatednodes.begin(), instantiatednodes.end());
return node;
}
std::string BendNode::toString() const
{
std::stringstream stream;
stream << this->name()
<< "(center = [ " << center_x << ", " << center_y << ", " << center_z << " ]"
<< ", fixed = [ " << fixed_x << ", " << fixed_y << ", " << fixed_z << " ]"
<< ", cyl = [ " << cyl_x << ", " << cyl_y << ", " << cyl_z << " ]"
<< ", convexity = " << this->convexity << ")";
return stream.str();
}
void register_builtin_bend()
{
Builtins::init("bend", new BendModule());
}