// Copyright (C) 2002-2011 Nikolaus Gebhardt

// This file is part of the "Irrlicht Engine".

// For conditions of distribution and use, see copyright notice in irrlicht.h


#ifndef __E_PRIMITIVE_TYPES_H_INCLUDED__
#define __E_PRIMITIVE_TYPES_H_INCLUDED__

namespace irr
{
namespace scene
{

	//! Enumeration for all primitive types there are.

	enum E_PRIMITIVE_TYPE
	{
		//! All vertices are non-connected points.

		EPT_POINTS=0,

		//! All vertices form a single connected line.

		EPT_LINE_STRIP,

		//! Just as LINE_STRIP, but the last and the first vertex is also connected.

		EPT_LINE_LOOP,

		//! Every two vertices are connected creating n/2 lines.

		EPT_LINES,

		//! After the first two vertices each vertex defines a new triangle.

		//! Always the two last and the new one form a new triangle.

		EPT_TRIANGLE_STRIP,

		//! After the first two vertices each vertex defines a new triangle.

		//! All around the common first vertex.

		EPT_TRIANGLE_FAN,

		//! Explicitly set all vertices for each triangle.

		EPT_TRIANGLES,

		//! After the first two vertices each further tw vetices create a quad with the preceding two.

		EPT_QUAD_STRIP,

		//! Every four vertices create a quad.

		EPT_QUADS,

		//! Just as LINE_LOOP, but filled.

		EPT_POLYGON,

		//! The single vertices are expanded to quad billboards on the GPU.

		EPT_POINT_SPRITES
	};

} // end namespace scene

} // end namespace irr


#endif