public void GetNormal_PlanarPolygon_ReturnsCorrectResult()
{
var p = new Polygon3D();
p.Points.Add(new Point3D(0, 0, 0));
p.Points.Add(new Point3D(1, 0, 0));
p.Points.Add(new Point3D(1, 1, 0));
p.Points.Add(new Point3D(0, 1, 0));
Assert.AreEqual(new Vector3D(0, 0, 1), p.GetNormal());
}
public void Polygon_GetNormal_NotThrows()
{
var points = new List <Vector3>()
{
new Vector3(-1.39943f, 0.328622f, 0.97968f),
new Vector3(-1.39969f, 0.328622f, 0.99105f),
new Vector3(-1.39963f, 0.328631f, 0.99105f),
new Vector3(-1.39954f, 0.328631f, 0.98726f),
new Vector3(-1.39937f, 0.328631f, 0.97968f),
};
var polygon = new Polygon3D(points);
Vector3 normal = polygon.GetNormal();
}
public void Polygon_GetNormal_NotThrows()
{
var points = new List <Point3D>()
{
new Point3D(-1.39943, 0.328622, 0.97968),
new Point3D(-1.39969, 0.328622, 0.99105),
new Point3D(-1.39963, 0.328631, 0.99105),
new Point3D(-1.39954, 0.328631, 0.98726),
new Point3D(-1.39937, 0.328631, 0.97968),
};
var polygon = new Polygon3D(points);
Vector3D normal = polygon.GetNormal();
}
static protected Faces ConvertSidePlanesToFaces(WorldcraftObject wo, WorldcraftSidePlanes sidePlanes, Textures textures)
{
Faces faces = new Faces();
for (int i = 0; i < sidePlanes.Count; i++)
{
//Consider this side plane and it's associated heavily used parts.
WorldcraftSidePlane sp = sidePlanes[i];
Polygon3D polygon = sp.plane.CreatePolygon(10000);
if (Vector3D.Dot(polygon.GetNormal(), sp.plane.Normal) > 0)
{
polygon.Flip();
}
CutPolygonByPlanes(polygon, sidePlanes, i);
if (polygon.Points.Count >= 3)
{
Face face = new Face();
face.Texture = sp.texture;
face.SAxis = sp.sAxis;
face.TAxis = sp.tAxis;
face.Plane = sp.plane.GetFlipped();
face.GroupName = wo.ClassName;
foreach (Vector3D pt in polygon.Points)
{
face.Points.Add(face.Plane.ProjectOntoPlane(pt));
}
faces.Add(face);
}
}
return(faces);
}