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00015 #ifndef EGGPOLYGON_H
00016 #define EGGPOLYGON_H
00017
00018 #include "pandabase.h"
00019
00020 #include "eggPrimitive.h"
00021
00022
00023
00024
00025
00026 class EXPCL_PANDAEGG EggPolygon : public EggPrimitive {
00027 PUBLISHED:
00028 INLINE EggPolygon(const string &name = "");
00029 INLINE EggPolygon(const EggPolygon ©);
00030 INLINE EggPolygon &operator = (const EggPolygon ©);
00031
00032 virtual bool cleanup();
00033
00034 bool calculate_normal(LNormald &result, CoordinateSystem cs = CS_default) const;
00035 bool is_planar() const;
00036
00037 INLINE bool recompute_polygon_normal(CoordinateSystem cs = CS_default);
00038
00039 INLINE bool triangulate_into(EggGroupNode *container, bool convex_also) const;
00040 PT(EggPolygon) triangulate_in_place(bool convex_also);
00041
00042 virtual void write(ostream &out, int indent_level) const;
00043
00044 private:
00045 bool decomp_concave(EggGroupNode *container, int asum, int x, int y) const;
00046 bool triangulate_poly(EggGroupNode *container, bool convex_also);
00047
00048 public:
00049
00050 static TypeHandle get_class_type() {
00051 return _type_handle;
00052 }
00053 static void init_type() {
00054 EggPrimitive::init_type();
00055 register_type(_type_handle, "EggPolygon",
00056 EggPrimitive::get_class_type());
00057 }
00058 virtual TypeHandle get_type() const {
00059 return get_class_type();
00060 }
00061 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00062
00063 private:
00064 static TypeHandle _type_handle;
00065
00066 };
00067
00068 #include "eggPolygon.I"
00069
00070 #endif