46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
//
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// Created by karl on 07.01.20.
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//
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#ifndef ECSGAME_MESH_H
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#define ECSGAME_MESH_H
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#include <glad/glad.h>
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#include <GLFW/glfw3.h>
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#include <vector>
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struct Mesh {
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explicit Mesh(std::vector<float> vertices) : vertices(vertices), vertex_count(vertices.size() / 5) {
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glGenVertexArrays(1, &VAO);
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glGenBuffers(1, &VBO);
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glBindVertexArray(VAO);
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glBindBuffer(GL_ARRAY_BUFFER, VBO);
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glBufferData(GL_ARRAY_BUFFER, sizeof(&vertices), &vertices, GL_STATIC_DRAW);
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// position attribute
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glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 5 * sizeof(float), (void*)0);
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glEnableVertexAttribArray(0);
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// texture coord attribute
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glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 5 * sizeof(float), (void*)(3 * sizeof(float)));
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glEnableVertexAttribArray(1);
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}
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void render() {
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glBindVertexArray(VAO);
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glDrawArrays(GL_TRIANGLES, 0, vertex_count);
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}
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private:
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unsigned int VBO;
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unsigned int VAO;
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unsigned int vertex_count;
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/// Vertices in the format x, y, z, u, v
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std::vector<float> vertices;
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};
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#endif //ECSGAME_MESH_H
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