public static AaBox BoundingBox(IEnumerable <Sphere> spheres)
{
var min = new Vector3(float.MaxValue, float.MaxValue, float.MaxValue);
var max = new Vector3(float.MinValue, float.MinValue, float.MinValue);
foreach (var sphere in spheres)
{
CodingHelper.UpdateIfLess(ref min.X, sphere.Center.X - sphere.Radius);
CodingHelper.UpdateIfLess(ref min.Y, sphere.Center.Y - sphere.Radius);
CodingHelper.UpdateIfLess(ref min.Z, sphere.Center.Z - sphere.Radius);
CodingHelper.UpdateIfGreater(ref max.X, sphere.Center.X + sphere.Radius);
CodingHelper.UpdateIfGreater(ref max.Y, sphere.Center.Y + sphere.Radius);
CodingHelper.UpdateIfGreater(ref max.Z, sphere.Center.Z + sphere.Radius);
}
var halfSizeVec = (max - min) / 2;
if (halfSizeVec.X < 0)
{
throw new ArgumentException("'spheres' parameter cannot be empty.");
}
return(new AaBox
{
Center = (min + max) / 2,
HalfSize = new Size3(halfSizeVec)
});
}
public static AaBox BoundingBox(IEnumerable <Vector3> points)
{
var min = new Vector3(float.MaxValue, float.MaxValue, float.MaxValue);
var max = new Vector3(float.MinValue, float.MinValue, float.MinValue);
foreach (var point in points)
{
CodingHelper.UpdateIfLess(ref min.X, point.X);
CodingHelper.UpdateIfLess(ref min.Y, point.Y);
CodingHelper.UpdateIfLess(ref min.Z, point.Z);
CodingHelper.UpdateIfGreater(ref max.X, point.X);
CodingHelper.UpdateIfGreater(ref max.Y, point.Y);
CodingHelper.UpdateIfGreater(ref max.Z, point.Z);
}
var halfSizeVec = (max - min) / 2;
if (halfSizeVec.X < 0)
{
throw new ArgumentException("'points' parameter cannot be empty.");
}
return(new AaBox
{
Center = (min + max) / 2,
HalfSize = new Size3(halfSizeVec)
});
}
public static AaRectangle2 BoundingRect(IEnumerable <AaRectangle2> rects)
{
var minX = float.MaxValue;
var minY = float.MaxValue;
var maxX = float.MinValue;
var maxY = float.MinValue;
foreach (var rect in rects)
{
CodingHelper.UpdateIfLess(ref minX, rect.MinX);
CodingHelper.UpdateIfLess(ref minY, rect.MinY);
CodingHelper.UpdateIfGreater(ref maxX, rect.MaxX);
CodingHelper.UpdateIfGreater(ref maxY, rect.MaxY);
}
return(minX != float.MaxValue ? FromBounds(minX, maxX, minY, maxY) : new AaRectangle2());
}
public static AaRectangle2 BoundingRect(IEnumerable <Vector2> points)
{
var minX = float.MaxValue;
var minY = float.MaxValue;
var maxX = float.MinValue;
var maxY = float.MinValue;
foreach (var point in points)
{
CodingHelper.UpdateIfLess(ref minX, point.X);
CodingHelper.UpdateIfLess(ref minY, point.Y);
CodingHelper.UpdateIfGreater(ref maxX, point.X);
CodingHelper.UpdateIfGreater(ref maxY, point.Y);
}
return(minX != float.MaxValue ? FromBounds(minX, maxX, minY, maxY) : new AaRectangle2());
}
