83b5cabac9
Created a BuildShapeGeometryVisitor visitor that can create osg::Geometry for osg::Shape objects
81 lines
2.8 KiB
C++
81 lines
2.8 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSG_SHAPEDRAWABLE
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#define OSG_SHAPEDRAWABLE 1
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#include <osg/Geometry>
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namespace osg {
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/** Allow the use of <tt>Shape</tt>s as <tt>Drawable</tt>s, so that they can
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* be rendered with reduced effort. The implementation of \c ShapeDrawable is
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* not geared to efficiency; it's better to think of it as a convenience to
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* render <tt>Shape</tt>s easily (perhaps for test or debugging purposes) than
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* as the right way to render basic shapes in some efficiency-critical section
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* of code.
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*/
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class OSG_EXPORT ShapeDrawable : public osg::Geometry
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{
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public:
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ShapeDrawable();
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ShapeDrawable(Shape* shape, TessellationHints* hints=0);
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template<class T> ShapeDrawable(const ref_ptr<T>& shape, TessellationHints* hints=0):
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_tessellationHints(hints) { setShape(shape.get()); }
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/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
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ShapeDrawable(const ShapeDrawable& pg,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
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virtual Object* cloneType() const { return new ShapeDrawable(); }
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virtual Object* clone(const CopyOp& copyop) const { return new ShapeDrawable(*this,copyop); }
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virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const ShapeDrawable*>(obj)!=NULL; }
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virtual const char* libraryName() const { return "osg"; }
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virtual const char* className() const { return "ShapeDrawable"; }
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virtual void setShape(Shape* shape);
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/** Set the color of the shape.*/
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void setColor(const Vec4& color);
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/** Get the color of the shape.*/
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const Vec4& getColor() const { return _color; }
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void setTessellationHints(TessellationHints* hints);
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TessellationHints* getTessellationHints() { return _tessellationHints.get(); }
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const TessellationHints* getTessellationHints() const { return _tessellationHints.get(); }
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/** method to invoke to rebuild the geometry that renders the shape.*/
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void build();
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protected:
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ShapeDrawable& operator = (const ShapeDrawable&) { return *this;}
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virtual ~ShapeDrawable();
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Vec4 _color;
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ref_ptr<TessellationHints> _tessellationHints;
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};
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}
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#endif
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