def ApparentHeading(X, Y=None):
if not isinstance(X, OrientedPoint):
raise RuntimeParseError('"apparent heading of X from Y" with X not an OrientedPoint')
if Y is None:
Y = ego()
Y = toVector(Y, '"relative heading of X from Y" with Y not a vector')
return apparentHeadingAtPoint(X.position, X.heading, Y)
def ApparentHeading(X, Y=None):
"""The 'apparent heading of <oriented point> [from <vector>]' operator.
If the 'from <vector>' is omitted, the position of ego is used.
"""
if not isinstance(X, OrientedPoint):
raise RuntimeParseError('"apparent heading of X from Y" with X not an OrientedPoint')
if Y is None:
Y = ego()
Y = toVector(Y, '"relative heading of X from Y" with Y not a vector')
return apparentHeadingAtPoint(X.position, X.heading, Y)