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Introduce normal mapping

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This commit is contained in:
Derek Christ
2021-02-21 19:54:17 +01:00
parent 194ae3abf4
commit 164c76f4a3
15 changed files with 155 additions and 77 deletions
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18
src/VertexArray.cpp
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@@ -21,13 +21,21 @@ VertexArray::VertexArray(void *vertexData, void *indexData, uint32_t numVertices
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void *) offsetof(struct Vertex, position));
// Normal vectors
glEnableVertexAttribArray(1);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void *) offsetof(struct Vertex, normalVec));
// UV Texture Mapping
glEnableVertexAttribArray(1);
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void *) offsetof(struct Vertex, textureCoords));
// Normal vectors
glEnableVertexAttribArray(2);
glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void *) offsetof(struct Vertex, textureCoords));
glVertexAttribPointer(2, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void *) offsetof(struct Vertex, normalVec));
// Tangent vectors
glEnableVertexAttribArray(3);
glVertexAttribPointer(3, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void *) offsetof(struct Vertex, tangentVec));
// Bitangent vectors
glEnableVertexAttribArray(4);
glVertexAttribPointer(4, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void *) offsetof(struct Vertex, bitangentVec));
// This will also unbind the vertex buffer and index buffer
glBindVertexArray(0);