shadows.hpp

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/* Copyright (c) 2023 Otto Link. Distributed under the terms of the GNU General
   Public License. The full license is in the file LICENSE, distributed with
   this software. */
 
#pragma once
 
#include "highmap/array.hpp"
 
namespace hmap
{
 
Array hillshade(const Array &z,
                float        azimuth,
                float        zenith,
                float        talus_ref = 1.f);
 
Array shadow_grid(const Array &z, float shadow_talus);
 
Array shadow_heightmap(const Array &z,
                       float        azimuth = 180.f,
                       float        zenith = 45.f,
                       float        distance = 0.2f);
 
Array topographic_shading(const Array &z,
                          float        azimuth,
                          float        zenith,
                          float        talus_ref = 1.f);
 
} // namespace hmap