💿🐜 Antkeeper source code
https://antkeeper.com
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64 lines
1.9 KiB
64 lines
1.9 KiB
/*
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* Copyright (C) 2020 Christopher J. Howard
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*
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* This file is part of Antkeeper source code.
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*
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* Antkeeper source code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ANTKEEPER_PHEROMONE_MATRIX_HPP
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#define ANTKEEPER_PHEROMONE_MATRIX_HPP
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/**
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* A double-buffered matrix containing floating point pheromone strengths.
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*/
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struct pheromone_matrix
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{
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/// Number of columns in the matrix.
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int columns;
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/// Number of rows in the matrix.
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int rows;
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/// Two buffers containing pheromone strengths
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float** buffers;
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/// Index of the current buffer
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int current;
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};
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/**
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* Performs a convolution on a pheromone matrix.
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*
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* @param matrix Pointer to a pheromone matrix.
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* @param kernel Convolution kernel.
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* @param kernel_size Size of the kernel.
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*/
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void convolve(pheromone_matrix* matrix, const float* kernel, int kernel_size);
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/**
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* Causes all pheromones in a pheromone matrix to decrease in strength according to the specified evaporation rate.
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*
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* @param matrix Pointer to the pheromone matrix.
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* @param factor Evaporation factor by which each pheromone strength will be multiplied.
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*/
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void evaporate(pheromone_matrix* matrix, float rate);
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/**
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* Causes all pheromones in a pheromone matrix to diffuse.
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*/
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void diffuse(pheromone_matrix* matrix);
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#endif // ANTKEEPER_PHEROMONE_MATRIX_HPP
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