public static Vector3 GetPositionToAlignTo(IObject3D objectToAlignTo, FaceAlign boundingFacesToAlignTo, Vector3 extraOffset)
{
Vector3 positionToAlignTo = new Vector3();
if (IsSet(boundingFacesToAlignTo, FaceAlign.Left, FaceAlign.Right))
{
positionToAlignTo.X = objectToAlignTo.GetAxisAlignedBoundingBox().minXYZ.X;
}
if (IsSet(boundingFacesToAlignTo, FaceAlign.Right, FaceAlign.Left))
{
positionToAlignTo.X = objectToAlignTo.GetAxisAlignedBoundingBox().maxXYZ.X;
}
if (IsSet(boundingFacesToAlignTo, FaceAlign.Front, FaceAlign.Back))
{
positionToAlignTo.Y = objectToAlignTo.GetAxisAlignedBoundingBox().minXYZ.Y;
}
if (IsSet(boundingFacesToAlignTo, FaceAlign.Back, FaceAlign.Front))
{
positionToAlignTo.Y = objectToAlignTo.GetAxisAlignedBoundingBox().maxXYZ.Y;
}
if (IsSet(boundingFacesToAlignTo, FaceAlign.Bottom, FaceAlign.Top))
{
positionToAlignTo.Z = objectToAlignTo.GetAxisAlignedBoundingBox().minXYZ.Z;
}
if (IsSet(boundingFacesToAlignTo, FaceAlign.Top, FaceAlign.Bottom))
{
positionToAlignTo.Z = objectToAlignTo.GetAxisAlignedBoundingBox().maxXYZ.Z;
}
return(positionToAlignTo + extraOffset);
}
public AlignObject3D(IObject3D item, FaceAlign boundingFacesToAlign, Vector3 positionToAlignTo, string name = "")
{
AxisAlignedBoundingBox bounds = item.GetAxisAlignedBoundingBox();
if (IsSet(boundingFacesToAlign, FaceAlign.Left, FaceAlign.Right))
{
positionToAlignTo.X = positionToAlignTo.X - bounds.minXYZ.X;
}
if (IsSet(boundingFacesToAlign, FaceAlign.Right, FaceAlign.Left))
{
positionToAlignTo.X = positionToAlignTo.X - bounds.minXYZ.X - (bounds.maxXYZ.X - bounds.minXYZ.X);
}
if (IsSet(boundingFacesToAlign, FaceAlign.Front, FaceAlign.Back))
{
positionToAlignTo.Y = positionToAlignTo.Y - bounds.minXYZ.Y;
}
if (IsSet(boundingFacesToAlign, FaceAlign.Back, FaceAlign.Front))
{
positionToAlignTo.Y = positionToAlignTo.Y - bounds.minXYZ.Y - (bounds.maxXYZ.Y - bounds.minXYZ.Y);
}
if (IsSet(boundingFacesToAlign, FaceAlign.Bottom, FaceAlign.Top))
{
positionToAlignTo.Z = positionToAlignTo.Z - bounds.minXYZ.Z;
}
if (IsSet(boundingFacesToAlign, FaceAlign.Top, FaceAlign.Bottom))
{
positionToAlignTo.Z = positionToAlignTo.Z - bounds.minXYZ.Z - (bounds.maxXYZ.Z - bounds.minXYZ.Z);
}
Matrix *= Matrix4X4.CreateTranslation(positionToAlignTo);
Children.Add(item.Clone());
}
public AlignObject3D(IObject3D objectToAlign, FaceAlign boundingFacesToAlign, IObject3D objectToAlignTo, FaceAlign boundingFacesToAlignTo, double offsetX = 0, double offsetY = 0, double offsetZ = 0, string name = "")
: this(objectToAlign, boundingFacesToAlign, GetPositionToAlignTo(objectToAlignTo, boundingFacesToAlignTo, new Vector3(offsetX, offsetY, offsetZ)), name)
{
if (objectToAlign == objectToAlignTo)
{
throw new Exception("You cannot align an object to itself.");
}
}
private static bool IsSet(FaceAlign variableToCheck, FaceAlign faceToCheckFor, FaceAlign faceToAssertNot)
{
if ((variableToCheck & faceToCheckFor) != 0)
{
if ((variableToCheck & faceToAssertNot) != 0)
{
throw new Exception("You cannot have both " + faceToCheckFor.ToString() + " and " + faceToAssertNot.ToString() + " set when calling Align. The are mutually exclusive.");
}
return(true);
}
return(false);
}
public AlignObject3D(IObject3D objectToAlign, FaceAlign boundingFacesToAlign, Vector3 positionToAlignTo, double offsetX, double offsetY, double offsetZ, string name = "")
: this(objectToAlign, boundingFacesToAlign, positionToAlignTo + new Vector3(offsetX, offsetY, offsetZ), name)
{
}
public AlignObject3D(IObject3D objectToAlign, FaceAlign boundingFacesToAlign, double positionToAlignToX = 0, double positionToAlignToY = 0, double positionToAlignToZ = 0, string name = "")
: this(objectToAlign, boundingFacesToAlign, new Vector3(positionToAlignToX, positionToAlignToY, positionToAlignToZ), name)
{
}
