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#include "IndexedFaceSet.h"
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#include "IndexedFaceSet.h"
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#include "Material.h"
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#include "Material.h"
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namespace Geometry
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namespace Geometry
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{
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{
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	/** \brief A Triangle Mesh struct.
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  /** \brief A Triangle Mesh struct.
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	    This struct contains three indexed face sets, one for geometry,
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      This struct contains three indexed face sets, one for geometry,
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			textures, and normals. It also contains a vector of materials and a
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      textures, and normals. It also contains a vector of materials and a
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			vector of texture maps.
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      vector of texture maps.
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		/// Get a bounding sphere for the model.
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    /// Get a bounding sphere for the model.
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		bool get_bsphere(CGLA::Vec3f& c, float& r) const;
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    bool get_bsphere(CGLA::Vec3f& c, float& r) const;
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		/// Returns true if at least one normal has been defined.
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    /// Returns true if at least one normal has been defined.
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		bool has_normals() const
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		{
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			return normals.no_faces()>0;
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    bool has_normals() const { return normals.no_faces() > 0; }
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		}
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		/// Find a material from its name
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    /// Find a material from its name
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		int find_material(const std::string&) const;
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    int find_material(const std::string&) const;
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		/// Compute normals for the mesh. Does not check if there are normals.
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    /// Compute normals for the mesh. Does not check if there are normals.
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    /// Compute areas for all faces and total surface area.
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    /// Compute areas for all faces and total surface area.
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    void compute_areas();
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    void compute_areas();
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    /// Apply a transformation matrix to the mesh
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    /// Apply a transformation matrix to the mesh
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    void transform(CGLA::Mat4x4f m);
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    void transform(const CGLA::Mat4x4f& m);
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	};
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    /// Apply a transformation matrix to the texture coordinates
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    void tex_transform(const CGLA::Mat4x4f& m);
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    /// Apply a transformation matrix to the texture coordinates associated with a particular material
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    void tex_transform(const CGLA::Mat4x4f& m, const std::string& material);
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  };
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}
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}
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#endif
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#endif