private void ResizeArrays(int elemCount)
{
if (_indices.Length != elemCount)
{
Array.Resize(ref _vertices, VertexLayout.Stride(_mesh) * elemCount);
Array.Resize(ref _indices, elemCount);
}
}
public static void SetVertex(float[] vertexArray, Vector3 position, int vertexIndex)
{
var stride = VertexLayout.Stride(VertexLayout.Type.Position);
vertexArray[stride * vertexIndex + 0] = position.X;
vertexArray[stride * vertexIndex + 1] = position.Y;
vertexArray[stride * vertexIndex + 2] = position.Z;
}
public static void SetVertex(float[] vertexArray, Vector3 position, Vector3 normal, int vertexIndex)
{
var stride = VertexLayout.Stride(VertexLayout.Type.PositionNormal);
vertexArray[stride * vertexIndex + 0] = position.X;
vertexArray[stride * vertexIndex + 1] = position.Y;
vertexArray[stride * vertexIndex + 2] = position.Z;
vertexArray[stride * vertexIndex + 3] = normal.X;
vertexArray[stride * vertexIndex + 4] = normal.Y;
vertexArray[stride * vertexIndex + 5] = normal.Z;
}
private void InitializeVAO(VertexLayout.Type layoutType)
{
VAO = GL.GenVertexArray();
GL.BindVertexArray(VAO);
VertexLayout.SetLayout(VAO, layoutType);
}