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Renamed grid.py Function #356

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Merged
merged 3 commits into from
Mar 18, 2017
Merged

Renamed grid.py Function #356

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a8a281b
Update agents.py
antmarakis Mar 12, 2017
207f692
Update test_grid.py
antmarakis Mar 12, 2017
ae17588
Update grid.py
antmarakis Mar 12, 2017
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6 changes: 3 additions & 3 deletions agents.py
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,7 @@
#
# Speed control in GUI does not have any effect -- fix it.

from grid import distance2, turn_heading
from grid import distance_squared, turn_heading
from statistics import mean

import random
Expand Down Expand Up @@ -397,8 +397,8 @@ def things_near(self, location, radius=None):
if radius is None:
radius = self.perceptible_distance
radius2 = radius * radius
return [(thing, radius2 - distance2(location, thing.location)) for thing in self.things
if distance2(location, thing.location) <= radius2]
return [(thing, radius2 - distance_squared(location, thing.location)) for thing in self.things
if distance_squared(location, thing.location) <= radius2]

def percept(self, agent):
"""By default, agent perceives things within a default radius."""
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4 changes: 2 additions & 2 deletions grid.py
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Expand Up @@ -26,8 +26,8 @@ def distance(a, b):
return math.hypot((a[0] - b[0]), (a[1] - b[1]))


def distance2(a, b):
"The square of the distance between two (x, y) points."
def distance_squared(a, b):
"""The square of the distance between two (x, y) points."""
return (a[0] - b[0])**2 + (a[1] - b[1])**2


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4 changes: 2 additions & 2 deletions tests/test_grid.py
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Expand Up @@ -10,8 +10,8 @@ def test_distance():
assert distance((1, 2), (5, 5)) == 5.0


def test_distance2():
assert distance2((1, 2), (5, 5)) == 25.0
def test_distance_squared():
assert distance_squared((1, 2), (5, 5)) == 25.0


def test_vector_clip():
Expand Down