/// <summary>
/// gets box polygons for min max values
/// </summary>
/// <param name="values"></param>
/// <returns></returns>
public static List <Point3D> GetBoxPolygonsForMinMaxValues(MinMaxAlongAxes values)
{
if (!values.MinX.HasValue || !values.MaxX.HasValue || !values.MinY.HasValue ||
!values.MaxY.HasValue || !values.MinZ.HasValue || !values.MaxZ.HasValue)
{
throw new Exception("Cannot create Box Polygon for the supplied min max values. Min Max Values not set.");
}
//front points
var front = new Point3D[4];
front[0] = new Point3D(values.MinX.Value, values.MinY.Value, values.MaxZ.Value);
front[1] = new Point3D(values.MaxX.Value, values.MinY.Value, values.MaxZ.Value);
front[2] = new Point3D(values.MaxX.Value, values.MaxY.Value, values.MaxZ.Value);
front[3] = new Point3D(values.MinX.Value, values.MaxY.Value, values.MaxZ.Value);
//back points
var back = new Point3D[4];
back[0] = new Point3D(front[0].X, front[0].Y, values.MinZ.Value);
back[1] = new Point3D(front[1].X, front[1].Y, values.MinZ.Value);
back[2] = new Point3D(front[2].X, front[2].Y, values.MinZ.Value);
back[3] = new Point3D(front[3].X, front[3].Y, values.MinZ.Value);
return(GetBoxPolygonsForFrontAndBackFace(front, back));
}
public static Point3D GetCenterOfMinMaxRange(MinMaxAlongAxes minMax)
{
var xRange = minMax.MaxX - minMax.MinX;
var yRange = minMax.MaxY - minMax.MinY;
var zRange = minMax.MaxZ - minMax.MinZ;
return(new Point3D((minMax.MinX + xRange / 2.0).Value, (minMax.MinY + yRange / 2.0).Value, (minMax.MinZ + zRange / 2.0).Value));
}
/// <summary>
/// whether a triangle is within the min max range
/// </summary>
/// <param name="triangle"></param>
/// <param name="allowedRange"></param>
/// <returns></returns>
public static bool WithinRange(Triangle triangle, MinMaxAlongAxes allowedRange)
{
if (!WithinRange(triangle.V1, allowedRange))
{
return(false);
}
if (!WithinRange(triangle.V2, allowedRange))
{
return(false);
}
return(WithinRange(triangle.V3, allowedRange));
}
public static Point3D GetCenterPosition(IList <Point3D> existingLoop)
{
var minMax = new MinMaxAlongAxes(null, existingLoop);
return(GetCenterOfMinMaxRange(minMax));
}
//whether a point is within the min max range
public static bool WithinRange(Point3D p, MinMaxAlongAxes allowedRange)
{
return(p.X >= allowedRange.MinX && p.X <= allowedRange.MaxX &&
p.Y >= allowedRange.MinY && p.Y <= allowedRange.MaxY &&
p.Z >= allowedRange.MinZ && p.Z <= allowedRange.MaxZ);
}
