def make_way(self): # over ride the floating objects make_way
'''
move in response to impelling forces:
wind, current, and power
'''
# Could get wind and current here
(wind, current) = get_weather(self.db.position)
power = self.db.power
sails = self.db.sails
# polar = self.db.polar # set by spawner?
heading = float(self.db.heading)
bearing = (heading, power)
print "wind: %s" % str(wind)
print "current: %s" % str(current)
# then calculate actual course here.
if sails:
self.msg_contents("You're sailing")
wind = (heading, wind[1] / 2)
# this lets us sail at any wind angle at half windspeed
else:
'''
if no sails, then wind exerts a fraction of its power
on the floating object based on the vessel's windage
'''
wind = (wind[0], wind[1] * self.db.windage)
# reduces wind effect to a fraction
course = add_vector(wind, current)
if power:
print "power: %s" % str(power)
print "bearing: %s" % str(bearing)
course = add_vector(course, bearing)
print "course: %s" % str(course)
position = move_vector(self.db.position, course)
self.arrive_at(position)
def make_way(self): # over ride the floating objects make_way
"""
move in response to impelling forces:
wind, current, and power
"""
# Could get wind and current here
(wind, current) = get_weather(self.db.position)
power = self.db.power
heading = float(self.db.heading)
bearing = (heading, power)
print "wind: %s" % str(wind)
print "current: %s" % str(current)
# then calculate actual course here.
course = add_vector(wind, current)
if power:
print "power: %s" % str(power)
print "bearing: %s" % str(bearing)
course = add_vector(course, bearing)
print "course: %s" % str(course)
position = move_vector(self.db.position, course)
self.arrive_at(position)
def make_way(self):
"""
move in response to impelling forces:
wind, current, and power
on a bare floating object this is purely based on wind and current
a floater doesn't have a heading and never has power.
"""
# Could get wind and current here
(wind, current) = get_weather(self.db.position)
print "wind: %s" % str(wind)
print "current: %s" % str(current)
# then calculate actual course here.
course = add_vector(wind, current)
position = move_vector(self.db.position, course)
self.arrive_at(position)
def make_way(self):
'''
move in response to impelling forces:
wind, current, and power
on a bare floating object this is purely based on wind and current
a floater doesn't have a heading and never has power.
'''
# Could get wind and current here
(wind, current) = get_weather(self.db.position)
print "wind: %s" % str(wind)
print "current: %s" % str(current)
# then calculate actual course here.
wind[1] = wind[1] * self.windage # reduces wind effect to a fraction
course = add_vector(wind, current)
position = move_vector(self.db.position, course)
self.arrive_at(position)