mappings.h

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/*
 * Copyright (c) 2010-2018, NVIDIA Corporation
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 *   * Redistributions in binary form must reproduce the above copyright
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 *     derived from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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#pragma once

#include <cugar/basic/numbers.h>
#include <cugar/linalg/vector.h>
#include <algorithm>

namespace cugar {


CUGAR_HOST CUGAR_DEVICE Vector3f from_spherical_coords(const Vector2f& uv);

CUGAR_HOST CUGAR_DEVICE Vector2f to_spherical_coords(const Vector3f& vec);

CUGAR_HOST CUGAR_DEVICE Vector2f square_to_unit_disk(const Vector2f uv);

CUGAR_HOST CUGAR_DEVICE Vector2f unit_disk_to_square(const Vector2f disk);

CUGAR_HOST CUGAR_DEVICE Vector3f square_to_cosine_hemisphere(const Vector2f& uv);

CUGAR_HOST CUGAR_DEVICE Vector2f cosine_hemisphere_to_square(const Vector3f& dir);

CUGAR_HOST CUGAR_DEVICE Vector3f uniform_square_to_sphere(const Vector2f& uv);

CUGAR_HOST CUGAR_DEVICE Vector2f uniform_sphere_to_square(const Vector3f& vec);

//
CUGAR_HOST CUGAR_DEVICE Vector2f hemisphere_to_hemioct(Vector3f v);

CUGAR_HOST CUGAR_DEVICE Vector3f hemioct_to_hemisphere(Vector2f e);

CUGAR_HOST CUGAR_DEVICE Vector2f sphere_to_oct(Vector3f v);

CUGAR_HOST CUGAR_DEVICE Vector3f oct_to_sphere(Vector2f e);

} // namespace cugar

#include <cugar/spherical/mappings_inline.h>