73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file eggPolygon.h
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* @author drose
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* @date 1999-01-16
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*/
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#ifndef EGGPOLYGON_H
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#define EGGPOLYGON_H
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#include "pandabase.h"
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#include "eggPrimitive.h"
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/**
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* A single polygon.
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*/
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class EXPCL_PANDA_EGG EggPolygon : public EggPrimitive {
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PUBLISHED:
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INLINE explicit EggPolygon(const std::string &name = "");
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INLINE EggPolygon(const EggPolygon ©);
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INLINE EggPolygon &operator = (const EggPolygon ©);
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virtual EggPolygon *make_copy() const override;
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virtual bool cleanup() override;
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bool calculate_normal(LNormald &result, CoordinateSystem cs = CS_default) const;
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bool is_planar() const;
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INLINE bool recompute_polygon_normal(CoordinateSystem cs = CS_default);
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INLINE bool triangulate_into(EggGroupNode *container, bool convex_also) const;
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PT(EggPolygon) triangulate_in_place(bool convex_also);
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virtual void write(std::ostream &out, int indent_level) const override;
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private:
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bool decomp_concave(EggGroupNode *container, int asum, int x, int y) const;
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bool triangulate_poly(EggGroupNode *container, bool convex_also);
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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EggPrimitive::init_type();
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register_type(_type_handle, "EggPolygon",
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EggPrimitive::get_class_type());
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}
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virtual TypeHandle get_type() const override {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() override {
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init_type();
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return get_class_type();
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}
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private:
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static TypeHandle _type_handle;
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};
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#include "eggPolygon.I"
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#endif
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