/// <summary>
/// Transforms the model from local to world space
/// </summary>
public void BuildPolygon(ModelPolygon _poly, Vector3 position, Quaternion orientation, float scalar = 1.0f)
{
Vertices = new List <Vector3>();
// build the matrix transform
var transform = Matrix4x4.CreateScale(scalar) * Matrix4x4.CreateFromQuaternion(orientation) * Matrix4x4.CreateTranslation(position);
// transform the vertices
// from local object to world space
foreach (var vertex in _poly.Vertices)
{
Vertices.Add(Vector3.Transform(vertex.ToVector(), transform));
}
}
/// <summary>
/// Constructs a new polygon from a frame and scale
/// </summary>
public Polygon(ModelPolygon _poly, Frame frame, float scale = 1.0f)
{
BuildPolygon(_poly, frame.Origin, frame.Orientation, scale);
}
/// <summary>
/// Constructs a new polygon from a position, rotation, and scale
/// </summary>
public Polygon(ModelPolygon _poly, Vector3 position, Quaternion orientation, float scale = 1.0f)
{
BuildPolygon(_poly, position, orientation, scale);
}