benkyd/crumpet-engine
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Colour mapping on meshes working

Browse Source
This commit is contained in:
Ben
2018-09-17 13:43:26 +01:00
parent 2ca62a2201
commit 52203417e1
7 changed files with 79 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
OpenGL/mesh.cpp
View File

@@ -4,28 +4,18 @@ Mesh::Mesh(GLfloat *vertices, unsigned int *indices, unsigned int numVerticies)
m_drawCount = numVerticies;
glGenVertexArrays(1, &m_VAO);
glGenBuffers(1, &m_VBO);
glGenBuffers(1, &m_EBO);
glBindVertexArray(m_VAO);
glBindBuffer(GL_ARRAY_BUFFER, m_VBO);
glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_EBO);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_STATIC_DRAW);
glGenBuffers(NUM_BUFFERS, m_VBO);
glBindBuffer(GL_ARRAY_BUFFER, m_VBO[POSITION_VB]);
glBufferData(GL_ARRAY_BUFFER, numVerticies * sizeof(vertices[0]), vertices, GL_STATIC_DRAW);
// position attribute
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(float), (void*)0);
glEnableVertexAttribArray(0);
// color attribute
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(3 * sizeof(float)));
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(float), (void*)(3 * sizeof(float)));
glEnableVertexAttribArray(1);
// texture coord attribute
glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(6 * sizeof(float)));
glEnableVertexAttribArray(2);
glBindVertexArray(0);
std::cout << "Mesh loaded successfully" << std::endl;
}