public Vertex Clone()
{
Vertex v = new Vertex();
v.Position = this.Position;
v.Normal = this.Normal;
v.UV = this.UV;
v.Colour = this.Colour;
return v;
}
public int AddVertex(Vertex v)
{
data.Add(v);
return data.Count - 1;
}
public void AddFace(Vector3[] positions, Vector3[] normals, Vector2[] texcoords)
{
for (int i = 0; i < 3; i++)
{
var v = new Vertex();
v.Position = positions[i];
v.Normal = normals[i];
v.UV = new Vector4(texcoords[i].X, texcoords[i].Y, 0, 1);
int index = vertexBuffer.Data.FindIndex(vert =>
vert.Position.X.GetHashCode() == v.Position.X.GetHashCode() &&
vert.Position.Y.GetHashCode() == v.Position.Y.GetHashCode() &&
vert.Position.Z.GetHashCode() == v.Position.Z.GetHashCode() &&
vert.Normal.X.GetHashCode() == v.Normal.X.GetHashCode() &&
vert.Normal.Y.GetHashCode() == v.Normal.Y.GetHashCode() &&
vert.Normal.Z.GetHashCode() == v.Normal.Z.GetHashCode() &&
vert.UV.X.GetHashCode() == v.UV.X.GetHashCode() &&
vert.UV.Y.GetHashCode() == v.UV.Y.GetHashCode() &&
vert.UV.Z.GetHashCode() == v.UV.Z.GetHashCode() &&
vert.UV.W.GetHashCode() == v.UV.W.GetHashCode() &&
vert.Colour == v.Colour
);
if (index == -1) { index = vertexBuffer.AddVertex(v); }
indexBuffer.AddIndex(index);
}
}
public int AddVertex(Vector3 position, Vector3 normal, Vector4 texcoords, OpenTK.Graphics.Color4 colour, bool bAddIndex = true)
{
var v = new Vertex {
Position = position,
Normal = normal,
UV = texcoords,
Colour = colour
};
int index = vertexBuffer.AddVertex(v);
if (bAddIndex) { indexBuffer.AddIndex(index); }
return index;
}