def test_relative_bearing5():
s = Mock(
pos=Point3(),
angle=pi
)
a = ai.ShipAI(s)
approx_eq(
abs(a.relative_bearing(Point3(0, 0, 1))),
pi
)
def test_relative_bearing():
"""Straight ahead means an angle of 0.0"""
s = Mock(
pos=Point3(),
angle=0.0
)
a = ai.ShipAI(s)
eq_(
a.relative_bearing(Point3(0, 0, 1)),
0.0
)
def test_relative_bearing3():
"""Positive angles are to port."""
s = Mock(
pos=Point3(),
angle=0.0
)
a = ai.ShipAI(s)
approx_eq(
a.relative_bearing(Point3(1, 0, 1)),
pi / 4
)
def test_relative_bearing4():
"""Behind and to the right of us is to starboard."""
s = Mock(
pos=Point3(),
angle=0.0
)
a = ai.ShipAI(s)
approx_eq(
a.relative_bearing(Point3(-1, 0, -1)),
pi * -0.75
)
def test_relative_bearing2():
"""The ship's own angle is taken into account."""
s = Mock(
pos=Point3(),
angle=0.5
)
a = ai.ShipAI(s)
eq_(
a.relative_bearing(Point3(0, 0, 1)),
-0.5
)