anki-3d-engine/include/anki/collision/Functions.h

// Copyright (C) 2009-2016, Panagiotis Christopoulos Charitos.
// All rights reserved.
// Code licensed under the BSD License.
// http://www.anki3d.org/LICENSE

#pragma once

#include <anki/collision/Plane.h>
#include <anki/collision/Frustum.h>

namespace anki
{

/// @addtogroup collision
/// @{

/// Extract the clip planes using an MVP matrix
///
/// @param[in] mvp The MVP matrix.
/// @param[out] planes Pointers to the planes. Elements can be nullptr
///
/// @note plane_count * 8 muls, plane_count sqrt
extern void extractClipPlanes(
	const Mat4& mvp, Plane* planes[(U)Frustum::PlaneType::COUNT]);

/// @}

} // end namespace anki