42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
#include "mesh.h"
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Mesh::Mesh(GLfloat *vertices, unsigned int *indices, unsigned int numVerticies) {
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m_drawCount = numVerticies;
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glGenVertexArrays(1, &m_VAO);
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glGenBuffers(1, &m_VBO);
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glGenBuffers(1, &m_EBO);
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glBindVertexArray(m_VAO);
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glBindBuffer(GL_ARRAY_BUFFER, m_VBO);
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glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_EBO);
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glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_STATIC_DRAW);
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// position attribute
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glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)0);
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glEnableVertexAttribArray(0);
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// color attribute
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glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(3 * sizeof(float)));
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glEnableVertexAttribArray(1);
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// texture coord attribute
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glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(6 * sizeof(float)));
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glEnableVertexAttribArray(2);
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glBindVertexArray(0);
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std::cout << "Mesh loaded successfully" << std::endl;
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}
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void Mesh::Draw() {
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glBindVertexArray(m_VAO);
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glDrawArrays(GL_TRIANGLES, 0, m_drawCount);
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glBindVertexArray(0);
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}
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Mesh::~Mesh() {
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glDeleteVertexArrays(1, &m_VAO);
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}
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