61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
/*
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* Copyright (C) 2018 Ortega Froysa, Nicolás <nortega@themusicinnoise.net>
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* Author: Ortega Froysa, Nicolás <nortega@themusicinnoise.net>
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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
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* published by the Free Software Foundation, either version 3 of the
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* License, or (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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#include "Model.hpp"
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#include <GL/glew.h>
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#include <GL/gl.h>
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Model::Model(const std::vector<struct Vertex> &vertices,
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const std::vector<unsigned int> &indices) :
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vertices(vertices), indices(indices)
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{
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glGenVertexArrays(1, &vao);
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glGenBuffers(1, &vbo);
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glGenBuffers(1, &ebo);
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glBindVertexArray(vao);
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glBindBuffer(GL_ARRAY_BUFFER, vbo);
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glBufferData(GL_ARRAY_BUFFER,
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vertices.size() * sizeof(struct Vertex),
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&vertices[0], GL_STATIC_DRAW);
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ebo);
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glBufferData(GL_ELEMENT_ARRAY_BUFFER,
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indices.size() * sizeof(unsigned int),
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&indices[0], GL_STATIC_DRAW);
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glEnableVertexAttribArray(0);
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glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE,
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sizeof(struct Vertex), nullptr);
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glEnableVertexAttribArray(1);
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glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE,
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sizeof(struct Vertex),
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(void*)offsetof(struct Vertex, normal));
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glBindVertexArray(0);
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}
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void Model::draw(const Shader &shader) {
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glUniform3f(
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glGetUniformLocation(shader.getId(), "col"),
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color.r, color.g, color.b);
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glBindVertexArray(vao);
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glDrawElements(GL_TRIANGLES, indices.size(),
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GL_UNSIGNED_INT, 0);
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glBindVertexArray(0);
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}
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