particles.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 <random>
 
#include <glm/glm.hpp>
 
#include "highmap/array.hpp"
 
namespace hmap
{
 
glm::ivec2 spawn_borders(std::mt19937     &rng,
                         int               nbuffer,
                         const glm::ivec2 &shape);
 
glm::ivec2 spawn_disc(std::mt19937     &rng,
                      const glm::ivec2 &center,
                      float             radius,
                      const glm::ivec2 &shape);
 
glm::ivec2 spawn_gaussian(std::mt19937     &rng,
                          const glm::vec2  &center,
                          float             sigma,
                          const glm::ivec2 &shape);
 
glm::ivec2 spawn_ring(std::mt19937     &rng,
                      const glm::ivec2 &center,
                      float             radius_min,
                      float             radius_max,
                      const glm::ivec2 &shape);
 
glm::ivec2 spawn_uniform(std::mt19937 &rng, const glm::ivec2 &shape);
 
} // namespace hmap