80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
/*
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* Gem-graph OpenGL experiments
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*
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* Desc: OpenGL utils header
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*
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* Copyright (C) 2023 Jean Sirmai <jean@a-lec.org>
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* Copyright (C) 2023 Adrien Bourmault <neox@a-lec.org>
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*
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* This file is part of Gem-graph.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero 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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* This program 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <unistd.h>
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#include <stdbool.h>
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#include <GL/glu.h>
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/*
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* Writes basis and tip for all arrows into vertex and color buffers
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*
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* @param dimensions (x,y,z)
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*
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* @return void
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*/
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void arrows_write_terminations (long x, long y, long z);
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/*
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* Writes lines for arrow oriented to the east or west into lines buffer
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*
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* @param s,
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* weight,
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* site
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*
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* @return void
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*/
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void write_arrow_lines_east_west (long s, int weight, int site);
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/*
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* Writes lines for arrow oriented to the zenith or nadir into lines buffer
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*
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* @param s,
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* weight,
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* site
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*
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* @return void
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*/
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void write_arrow_lines_zenith_nadir (long s, int weight, int site);
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/*
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* Writes lines for arrow oriented to the south or north into lines buffer
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*
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* @param s,
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* weight,
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* site
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*
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* @return void
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*/
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void write_arrow_lines_south_north (long s, int weight, int site);
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/*
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* Writes the three lines that draw arrow basis (central star) into lines buffer
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*
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* @param n
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*
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* @return void
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*/
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void arrows_write_basis(long n);
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