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/*
* 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.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#pragma once
/** \file
* \ingroup freestyle
* \brief Class to represent a transform node. A Transform node contains one or several children,
* \brief all affected by the transformation.
*/
#include "NodeGroup.h"
#include "../geometry/Geom.h"
#include "../system/FreestyleConfig.h"
namespace Freestyle {
using namespace Geometry;
class NodeTransform : public NodeGroup {
public:
inline NodeTransform() : NodeGroup()
{
_Matrix = Matrix44r::identity();
_Scaled = false;
}
virtual ~NodeTransform()
{
}
/** multiplies the current matrix by the x, y, z translation matrix. */
void Translate(real x, real y, real z);
/** multiplies the current matrix by a rotation matrix
* iAngle
* The rotation angle
* x, y, z
* The rotation axis
*/
void Rotate(real iAngle, real x, real y, real z);
/** multiplies the current matrix by a scaling matrix.
* x, y, z
* The scaling coefficients with respect to the x,y,z axis
*/
void Scale(real x, real y, real z);
/** Multiplies the current matrix by iMatrix */
void MultiplyMatrix(const Matrix44r &iMatrix);
/** Sets the current matrix to iMatrix */
void setMatrix(const Matrix44r &iMatrix);
/** Accept the corresponding visitor */
virtual void accept(SceneVisitor &v);
/** Overloads the Node::AddBBox in order to take care about the transformation */
virtual void AddBBox(const BBox<Vec3r> &iBBox);
/** Checks whether a matrix contains a scale factor or not.
* Returns true if yes.
* M
* The matrix to check
*/
bool isScaled(const Matrix44r &M);
/** accessors */
inline const Matrix44r &matrix() const
{
return _Matrix;
}
inline bool scaled() const
{
return _Scaled;
}
private:
Matrix44r _Matrix;
bool _Scaled;
};
} /* namespace Freestyle */
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