public IEnumerable<MapObject> Create(IDGenerator generator, Box box, ITexture texture, int roundDecimals)
{
var numsides = (int) _numSides.GetValue();
if (numsides < 3) yield break;
// Cylinders can be elliptical so use both major and minor rather than just the radius
// NOTE: when a low number (< 10ish) of faces are selected this will cause the cylinder to not touch all the edges of the box.
var width = box.Width;
var length = box.Length;
var height = box.Height;
var major = width / 2;
var minor = length / 2;
var angle = 2 * DMath.PI / numsides;
// Calculate the X and Y points for the ellipse
var points = new Coordinate[numsides];
for (var i = 0; i < numsides; i++)
{
var a = i * angle;
var xval = box.Center.X + major * DMath.Cos(a);
var yval = box.Center.Y + minor * DMath.Sin(a);
var zval = box.Start.Z;
points[i] = new Coordinate(xval, yval, zval).Round(roundDecimals);
}
var faces = new List<Coordinate[]>();
// Add the vertical faces
var z = new Coordinate(0, 0, height).Round(roundDecimals);
for (var i = 0; i < numsides; i++)
{
var next = (i + 1) % numsides;
faces.Add(new[] {points[i], points[i] + z, points[next] + z, points[next]});
}
// Add the elliptical top and bottom faces
faces.Add(points.ToArray());
faces.Add(points.Select(x => x + z).Reverse().ToArray());
// Nothing new here, move along
var solid = new Solid(generator.GetNextObjectID()) { Colour = Colour.GetRandomBrushColour() };
foreach (var arr in faces)
{
var face = new Face(generator.GetNextFaceID())
{
Parent = solid,
Plane = new Plane(arr[0], arr[1], arr[2]),
Colour = solid.Colour,
Texture = { Texture = texture }
};
face.Vertices.AddRange(arr.Select(x => new Vertex(x, face)));
face.UpdateBoundingBox();
face.AlignTextureToFace();
solid.Faces.Add(face);
}
solid.UpdateBoundingBox();
yield return solid;
}
public IEnumerable<MapObject> Create(IDGenerator generator, Box box, ITexture texture)
{
var numsides = (int) _numSides.GetValue();
if (numsides < 3) yield break;
// This is all very similar to the cylinder brush.
var width = box.Width;
var length = box.Length;
var major = width / 2;
var minor = length / 2;
var angle = 2 * DMath.PI / numsides;
var points = new Coordinate[numsides];
for (var i = 0; i < numsides; i++)
{
var a = i * angle;
var xval = box.Center.X + major * DMath.Cos(a);
var yval = box.Center.Y + minor * DMath.Sin(a);
var zval = box.Start.Z;
points[i] = new Coordinate(xval, yval, zval).Round(0);
}
var faces = new List<Coordinate[]>();
var point = new Coordinate(box.Center.X, box.Center.Y, box.End.Z);
for (var i = 0; i < numsides; i++)
{
var next = (i + 1) % numsides;
faces.Add(new[] {points[i], point, points[next]});
}
faces.Add(points.ToArray());
var solid = new Solid(generator.GetNextObjectID()) { Colour = Colour.GetRandomBrushColour() };
foreach (var arr in faces)
{
var face = new Face(generator.GetNextFaceID())
{
Parent = solid,
Plane = new Plane(arr[0], arr[1], arr[2]),
Colour = solid.Colour,
Texture = { Texture = texture }
};
face.Vertices.AddRange(arr.Select(x => new Vertex(x, face)));
face.UpdateBoundingBox();
face.AlignTextureToFace();
solid.Faces.Add(face);
}
solid.UpdateBoundingBox();
yield return solid;
}
