def test_wkb(self):
p = Point(0.0, 0.0)
wkb_big_endian = wkb.dumps(p, big_endian=True)
wkb_little_endian = wkb.dumps(p, big_endian=False)
# Regardless of byte order, loads ought to correctly recover the
# geometry
self.assertTrue(p.equals(wkb.loads(wkb_big_endian)))
self.assertTrue(p.equals(wkb.loads(wkb_little_endian)))
def test_wkb(self):
p = Point(0.0, 0.0)
wkb_big_endian = wkb.dumps(p, big_endian=True)
wkb_little_endian = wkb.dumps(p, big_endian=False)
# Regardless of byte order, loads ought to correctly recover the
# geometry
self.assertTrue(p.equals(wkb.loads(wkb_big_endian)))
self.assertTrue(p.equals(wkb.loads(wkb_little_endian)))
def test_binary_predicates(self):
point = Point(0.0, 0.0)
self.assertTrue(point.disjoint(Point(-1.0, -1.0)))
self.assertFalse(point.touches(Point(-1.0, -1.0)))
self.assertFalse(point.crosses(Point(-1.0, -1.0)))
self.assertFalse(point.within(Point(-1.0, -1.0)))
self.assertFalse(point.contains(Point(-1.0, -1.0)))
self.assertFalse(point.equals(Point(-1.0, -1.0)))
self.assertFalse(point.touches(Point(-1.0, -1.0)))
self.assertTrue(point.equals(Point(0.0, 0.0)))
def test_binary_predicates(self):
point = Point(0.0, 0.0)
self.assertTrue(point.disjoint(Point(-1.0, -1.0)))
self.assertFalse(point.touches(Point(-1.0, -1.0)))
self.assertFalse(point.crosses(Point(-1.0, -1.0)))
self.assertFalse(point.within(Point(-1.0, -1.0)))
self.assertFalse(point.contains(Point(-1.0, -1.0)))
self.assertFalse(point.equals(Point(-1.0, -1.0)))
self.assertFalse(point.touches(Point(-1.0, -1.0)))
self.assertTrue(point.equals(Point(0.0, 0.0)))
class TestTools:
def setup_method(self):
self.p1 = Point(0, 0)
self.p2 = Point(1, 1)
self.p3 = Point(2, 2)
self.mpc = MultiPoint([self.p1, self.p2, self.p3])
self.mp1 = MultiPoint([self.p1, self.p2])
self.line1 = LineString([(3, 3), (4, 4)])
def test_collect_single(self):
result = collect(self.p1)
assert self.p1.equals(result)
def test_collect_single_force_multi(self):
result = collect(self.p1, multi=True)
expected = MultiPoint([self.p1])
assert expected.equals(result)
def test_collect_multi(self):
result = collect(self.mp1)
assert self.mp1.equals(result)
def test_collect_multi_force_multi(self):
result = collect(self.mp1)
assert self.mp1.equals(result)
def test_collect_list(self):
result = collect([self.p1, self.p2, self.p3])
assert self.mpc.equals(result)
def test_collect_GeoSeries(self):
s = GeoSeries([self.p1, self.p2, self.p3])
result = collect(s)
assert self.mpc.equals(result)
def test_collect_mixed_types(self):
with pytest.raises(ValueError):
collect([self.p1, self.line1])
def test_collect_mixed_multi(self):
with pytest.raises(ValueError):
collect([self.mpc, self.mp1])
def test_epsg_from_crs(self):
assert epsg_from_crs({'init': 'epsg:4326'}) == 4326
assert epsg_from_crs({'init': 'EPSG:4326'}) == 4326
assert epsg_from_crs('+init=epsg:4326') == 4326
@pytest.mark.skipif(
LooseVersion(pyproj.__version__) >= LooseVersion('2.0.0'),
reason="explicit_crs_from_epsg depends on parsing data files of "
"proj.4 < 6 / pyproj < 2 ")
def test_explicit_crs_from_epsg(self):
expected = {'no_defs': True, 'proj': 'longlat', 'datum': 'WGS84', 'init': 'epsg:4326'}
assert explicit_crs_from_epsg(epsg=4326) == expected
assert explicit_crs_from_epsg(epsg='4326') == expected
assert explicit_crs_from_epsg(crs={'init': 'epsg:4326'}) == expected
assert explicit_crs_from_epsg(crs="+init=epsg:4326") == expected
def test_point(self):
point = Point(0, 0)
point2 = Point(-1, 1)
self.assertTrue(point.union(point2).equals(point | point2))
self.assertTrue((point & point2).is_empty)
self.assertTrue(point.equals(point - point2))
self.assertTrue(
point.symmetric_difference(point2).equals(point ^ point2))
def test_point(self):
point = Point(0, 0)
point2 = Point(-1, 1)
self.assertTrue(point.union(point2).equals(point | point2))
self.assertTrue((point & point2).is_empty)
self.assertTrue(point.equals(point - point2))
self.assertTrue(
point.symmetric_difference(point2).equals(point ^ point2))
def test_from_shape():
p = Point(1, 2)
e = from_shape(p)
assert isinstance(e, WKBElement)
assert isinstance(e.data, buffer)
s = shapely.wkb.loads(bytes(e.data))
assert isinstance(s, Point)
assert p.equals(p)
def _find_exact_insert_position(entry_point, way_nodes):
"""
try to find a point in the way_nodes that overlaps
the entry point exactly
"""
for i, node in enumerate(way_nodes):
way_point = Point(node['coords'])
if way_point.equals(entry_point):
return i
return None
class TestTools:
def setup_method(self):
self.p1 = Point(0, 0)
self.p2 = Point(1, 1)
self.p3 = Point(2, 2)
self.mpc = MultiPoint([self.p1, self.p2, self.p3])
self.mp1 = MultiPoint([self.p1, self.p2])
self.line1 = LineString([(3, 3), (4, 4)])
def test_collect_single(self):
result = collect(self.p1)
assert self.p1.equals(result)
def test_collect_single_force_multi(self):
result = collect(self.p1, multi=True)
expected = MultiPoint([self.p1])
assert expected.equals(result)
def test_collect_multi(self):
result = collect(self.mp1)
assert self.mp1.equals(result)
def test_collect_multi_force_multi(self):
result = collect(self.mp1)
assert self.mp1.equals(result)
def test_collect_list(self):
result = collect([self.p1, self.p2, self.p3])
assert self.mpc.equals(result)
def test_collect_GeoSeries(self):
s = GeoSeries([self.p1, self.p2, self.p3])
result = collect(s)
assert self.mpc.equals(result)
def test_collect_mixed_types(self):
with pytest.raises(ValueError):
collect([self.p1, self.line1])
def test_collect_mixed_multi(self):
with pytest.raises(ValueError):
collect([self.mpc, self.mp1])
def test_epsg_from_crs(self):
assert epsg_from_crs({'init': 'epsg:4326'}) == 4326
assert epsg_from_crs({'init': 'EPSG:4326'}) == 4326
assert epsg_from_crs('+init=epsg:4326') == 4326
def test_explicit_crs_from_epsg(self):
expected = {'no_defs': True, 'proj': 'longlat', 'datum': 'WGS84', 'init': 'epsg:4326'}
assert explicit_crs_from_epsg(epsg=4326) == expected
assert explicit_crs_from_epsg(epsg='4326') == expected
assert explicit_crs_from_epsg(crs={'init': 'epsg:4326'}) == expected
assert explicit_crs_from_epsg(crs="+init=epsg:4326") == expected
def test_from_shape():
import shapely.wkb
from shapely.geometry import Point
from geoalchemy2.shape import from_shape
from geoalchemy2.elements import WKBElement
p = Point(1, 2)
e = from_shape(p)
ok_(isinstance(e, WKBElement))
ok_(isinstance(e.data, buffer))
s = shapely.wkb.loads(str(e.data))
ok_(isinstance(s, Point))
ok_(p.equals(p))
def test_point_equal():
p1 = Point(0,0.001234567890123456786)
p2 = Point(0,0.001234567890123456987)
eq = p1.equals(p2)
ok_(eq==False, eq)
aeq = p1.almost_equals(p2,18)
ok_(aeq==True, aeq)
assert_aae(p1.coords[:][0], p2.coords[:][0],18)
assert_ape(p1.coords[:][0][1], p2.coords[:][0][1],16)
def test_from_shape():
from geoalchemy2.elements import WKBElement
try:
from geoalchemy2.shape import from_shape
import shapely.wkb
from shapely.geometry import Point
except ImportError:
raise SkipTest
p = Point(1, 2)
e = from_shape(p)
ok_(isinstance(e, WKBElement))
ok_(isinstance(e.data, buffer)) # flake8: noqa
s = shapely.wkb.loads(str(e.data))
ok_(isinstance(s, Point))
ok_(p.equals(p))
def SpatialToplogy (Spatial_A,Spatial_B):
if Spatial_A[4] == 'Point' and Spatial_B[4]== 'Point':
Point_0=Point(Spatial_A[0],Spatial_A[1])
Point_1=Point(Spatial_B[0],Spatial_B[1])
#Point to point relationships
if Point_0.equals(Point_1): return 'Point1 equals Point2'
if Point_0.within(Point_1.buffer(2)): return 'Point1 lies within a buffer of 2 m from Point2'
if Point_0.overlaps(Point_1): return 'Point1 overlaps Point2'
#if Point_0.disjoint(Point_1): return 'Point1 disjoint Point2'
#Point to line relationships
if Spatial_A[4] == 'Point' and Spatial_B[4]== 'Line':
Point_0=Point(Spatial_A[0],Spatial_A[1])
Line_0=LineString([(Spatial_B[0],Spatial_B[1]),(Spatial_B[2],Spatial_B[3])])
if Point_0.touches(Line_0):return 'Point1 touches Line1'
if Point_0.within(Line_0.buffer(2)):return 'Point1 lies within a buffer of 2 m from L1'
#Point to polygon relationships
if Spatial_A[4] == 'Point' and Spatial_B[4]== 'Polygon':
Point_0=Point(Spatial_A[0],Spatial_A[1])
Polygon_0=Polygon([(Spatial_B[0],Spatial_B[1]),(Spatial_B[2],Spatial_B[1]),(Spatial_B[2],Spatial_B[3]),(Spatial_B[0],Spatial_B[3])])
if Point_0.touches(Polygon_0):return 'Point1 touches Polygon1'
if Point_0.within(Polygon_0):return'Point1 lies within Polygon1'
if Point_0.overlaps(Polygon_0):return 'Point1 lies overlaps Polygon1'
#Line to line relationships
if Spatial_A[4]=='Line' and Spatial_B[4]=='Line':
Line_0=LineString([(Spatial_A[0],Spatial_A[1]),(Spatial_A[2],Spatial_A[3])])
Line_1=LineString([(Spatial_B[0],Spatial_B[1]),(Spatial_B[2],Spatial_B[3])])
if Line_0.equals(Line_1):return 'Line0 equals Line1'
if Line_0.touches(Line_1):return 'Line0 touches Line1'
if Line_0.crosses(Line_1):return 'Line0 crosses Line1'
if Line_0.within(Line_1.buffer(2)):return 'Line0 lies within a buffer of 2 m Line1'
if Line_0.overlaps(Line_1):return 'Line0 overlaps Line1'
#Line to polygon relationships
if Spatial_A[4]=='Line' and Spatial_B[4]=='Polygon':
Line_0=LineString([(Spatial_A[0],Spatial_A[1]),(Spatial_A[2],Spatial_A[3])])
Polygon_0=Polygon([(Spatial_B[0],Spatial_B[1]),(Spatial_B[2],Spatial_B[1]),(Spatial_B[2],Spatial_B[3]),(Spatial_B[0],Spatial_B[3])])
if Line_0.touches(Polygon_0):return 'Line0 touches Polygon1'
if Line_0.crosses(Polygon_0):return 'Line0 crosses Polygon1'
if Line_0.within(Polygon_0):return 'Line0 lies within Polygon1'
#Polygon to Polygon relationships
if Spatial_A[4]=='Polygon' and Spatial_B[4]=='Polygon':
Polygon_0=Polygon([(Spatial_A[0],Spatial_A[1]),(Spatial_A[2],Spatial_A[1]),(Spatial_A[2],Spatial_A[3]),(Spatial_A[0],Spatial_A[3])])
Polygon_1=Polygon([(Spatial_B[0],Spatial_B[1]),(Spatial_B[2],Spatial_B[1]),(Spatial_B[2],Spatial_B[3]),(Spatial_B[0],Spatial_B[3])])
if Polygon_0.touches(Polygon_1):return 'Polygon touches Polygon1'
if Polygon_0.equals(Polygon_1):return 'Polygon0 equals Polygon1'
if Polygon_0.within(Polygon_1):return 'Polygon lies within Polygon1'
if Polygon_0.within(Polygon_1.buffer(2)):return 'Polygon lies within a buffer of 2m Polygon1'
class TestTools(unittest.TestCase):
def setUp(self):
self.p1 = Point(0,0)
self.p2 = Point(1,1)
self.p3 = Point(2,2)
self.mpc = MultiPoint([self.p1, self.p2, self.p3])
self.mp1 = MultiPoint([self.p1, self.p2])
self.line1 = LineString([(3,3), (4,4)])
def test_collect_single(self):
result = collect(self.p1)
self.assert_(self.p1.equals(result))
def test_collect_single_force_multi(self):
result = collect(self.p1, multi=True)
expected = MultiPoint([self.p1])
self.assert_(expected.equals(result))
def test_collect_multi(self):
result = collect(self.mp1)
self.assert_(self.mp1.equals(result))
def test_collect_multi_force_multi(self):
result = collect(self.mp1)
self.assert_(self.mp1.equals(result))
def test_collect_list(self):
result = collect([self.p1, self.p2, self.p3])
self.assert_(self.mpc.equals(result))
def test_collect_GeoSeries(self):
s = GeoSeries([self.p1, self.p2, self.p3])
result = collect(s)
self.assert_(self.mpc.equals(result))
def test_collect_mixed_types(self):
with self.assertRaises(ValueError):
collect([self.p1, self.line1])
def test_collect_mixed_multi(self):
with self.assertRaises(ValueError):
collect([self.mpc, self.mp1])
class TestTools:
def setup_method(self):
self.p1 = Point(0, 0)
self.p2 = Point(1, 1)
self.p3 = Point(2, 2)
self.mpc = MultiPoint([self.p1, self.p2, self.p3])
self.mp1 = MultiPoint([self.p1, self.p2])
self.line1 = LineString([(3, 3), (4, 4)])
def test_collect_single(self):
result = collect(self.p1)
assert self.p1.equals(result)
def test_collect_single_force_multi(self):
result = collect(self.p1, multi=True)
expected = MultiPoint([self.p1])
assert expected.equals(result)
def test_collect_multi(self):
result = collect(self.mp1)
assert self.mp1.equals(result)
def test_collect_multi_force_multi(self):
result = collect(self.mp1)
assert self.mp1.equals(result)
def test_collect_list(self):
result = collect([self.p1, self.p2, self.p3])
assert self.mpc.equals(result)
def test_collect_GeoSeries(self):
s = GeoSeries([self.p1, self.p2, self.p3])
result = collect(s)
assert self.mpc.equals(result)
def test_collect_mixed_types(self):
with pytest.raises(ValueError):
collect([self.p1, self.line1])
def test_collect_mixed_multi(self):
with pytest.raises(ValueError):
collect([self.mpc, self.mp1])
class TestTools:
def setup_method(self):
self.p1 = Point(0, 0)
self.p2 = Point(1, 1)
self.p3 = Point(2, 2)
self.mpc = MultiPoint([self.p1, self.p2, self.p3])
self.mp1 = MultiPoint([self.p1, self.p2])
self.line1 = LineString([(3, 3), (4, 4)])
def test_collect_single(self):
result = collect(self.p1)
assert self.p1.equals(result)
def test_collect_single_force_multi(self):
result = collect(self.p1, multi=True)
expected = MultiPoint([self.p1])
assert expected.equals(result)
def test_collect_multi(self):
result = collect(self.mp1)
assert self.mp1.equals(result)
def test_collect_multi_force_multi(self):
result = collect(self.mp1)
assert self.mp1.equals(result)
def test_collect_list(self):
result = collect([self.p1, self.p2, self.p3])
assert self.mpc.equals(result)
def test_collect_GeoSeries(self):
s = GeoSeries([self.p1, self.p2, self.p3])
result = collect(s)
assert self.mpc.equals(result)
def test_collect_mixed_types(self):
with pytest.raises(ValueError):
collect([self.p1, self.line1])
def test_collect_mixed_multi(self):
with pytest.raises(ValueError):
collect([self.mpc, self.mp1])
@pytest.mark.skipif(PYPROJ_LT_231, reason="segfault")
def test_epsg_from_crs(self):
with pytest.warns(FutureWarning):
assert epsg_from_crs({"init": "epsg:4326"}) == 4326
assert epsg_from_crs({"init": "EPSG:4326"}) == 4326
assert epsg_from_crs("+init=epsg:4326") == 4326
@pytest.mark.skipif(PYPROJ_LT_231, reason="segfault")
def test_explicit_crs_from_epsg(self):
with pytest.warns(FutureWarning):
assert explicit_crs_from_epsg(epsg=4326) == CRS.from_epsg(4326)
assert explicit_crs_from_epsg(epsg="4326") == CRS.from_epsg(4326)
assert explicit_crs_from_epsg(
crs={"init": "epsg:4326"}) == CRS.from_dict(
{"init": "epsg:4326"})
assert explicit_crs_from_epsg(
crs="+init=epsg:4326") == CRS.from_proj4("+init=epsg:4326")
@pytest.mark.filterwarnings("ignore:explicit_crs_from_epsg:FutureWarning")
def test_explicit_crs_from_epsg__missing_input(self):
with pytest.raises(ValueError):
explicit_crs_from_epsg()
def skip_origin_point(point: geometry.Point) -> bool:
"""Simple filter to trip out any 0, 0 intersection points"""
return not point.equals(geometry.Point(0, 0))
class TestTools:
def setup_method(self):
self.p1 = Point(0, 0)
self.p2 = Point(1, 1)
self.p3 = Point(2, 2)
self.mpc = MultiPoint([self.p1, self.p2, self.p3])
self.mp1 = MultiPoint([self.p1, self.p2])
self.line1 = LineString([(3, 3), (4, 4)])
def test_collect_single(self):
result = collect(self.p1)
assert self.p1.equals(result)
def test_collect_single_force_multi(self):
result = collect(self.p1, multi=True)
expected = MultiPoint([self.p1])
assert expected.equals(result)
def test_collect_multi(self):
result = collect(self.mp1)
assert self.mp1.equals(result)
def test_collect_multi_force_multi(self):
result = collect(self.mp1)
assert self.mp1.equals(result)
def test_collect_list(self):
result = collect([self.p1, self.p2, self.p3])
assert self.mpc.equals(result)
def test_collect_GeoSeries(self):
s = GeoSeries([self.p1, self.p2, self.p3])
result = collect(s)
assert self.mpc.equals(result)
def test_collect_mixed_types(self):
with pytest.raises(ValueError):
collect([self.p1, self.line1])
def test_collect_mixed_multi(self):
with pytest.raises(ValueError):
collect([self.mpc, self.mp1])
def test_epsg_from_crs(self):
assert epsg_from_crs({"init": "epsg:4326"}) == 4326
assert epsg_from_crs({"init": "EPSG:4326"}) == 4326
assert epsg_from_crs("+init=epsg:4326") == 4326
@pytest.mark.skipif(
LooseVersion(pyproj.__version__) >= LooseVersion("2.0.0"),
reason="explicit_crs_from_epsg depends on parsing data files of "
"proj.4 < 6 / pyproj < 2 ",
)
def test_explicit_crs_from_epsg(self):
expected = {
"no_defs": True,
"proj": "longlat",
"datum": "WGS84",
"init": "epsg:4326",
}
assert explicit_crs_from_epsg(epsg=4326) == expected
assert explicit_crs_from_epsg(epsg="4326") == expected
assert explicit_crs_from_epsg(crs={"init": "epsg:4326"}) == expected
assert explicit_crs_from_epsg(crs="+init=epsg:4326") == expected
class DeterministicMazeRemaster(object):
def __init__(self, setting):
maze = setting.get('maze')
self.maze = box(maze[0], maze[1], maze[2], maze[3])
obstacles = setting.get('obstacles')
self.obstacles = []
if obstacles:
for coord in obstacles:
self.obstacles.append(Polygon(coord))
muds = setting.get('muds')
self.muds = []
if muds:
for coord in muds:
self.muds.append(Polygon(coord))
start_state = setting.get('start_state')
self.start_state = Point(start_state)
self.current_state = self.start_state
goal_states = setting.get('goal_states')
self.goal_states = []
for coord in goal_states:
self.goal_states.append(Point(coord))
self.action_range = setting.get('action_range')
self.deadend_toleration = setting.get('deadend_toleration')
self.injail = False
self.inmud = False
self.backup = {
k: v
for k, v in self.__dict__.items()
if not (k.startswith('__') and k.endswith('__'))
}
def PlotMaze(self):
fig = plt.figure(dpi=90)
ax = fig.add_subplot(111)
x, y = self.maze.exterior.xy
ax.plot(x, y, 'o', color='#999999', zorder=1)
patch = PolygonPatch(self.maze,
facecolor='#6699cc',
edgecolor='#6699cc',
alpha=0.5,
zorder=2)
ax.add_patch(patch)
if self.muds:
for mud in self.muds:
patch = PolygonPatch(mud,
facecolor='#ff3333',
edgecolor='#ff3333',
alpha=0.5,
hatch='\\',
zorder=2)
ax.add_patch(patch)
if self.obstacles:
for obstacles in self.obstacles:
patch = PolygonPatch(obstacles,
facecolor='#ffaabb',
edgecolor='#ffaabb',
alpha=0.5,
hatch='\\',
zorder=2)
ax.add_patch(patch)
plt.show()
def Reset(self):
backup = self.backup
self.__dict__.update(backup)
self.backup = backup
def UpdateState(self, new_state):
self.current_state = new_state
def InJail(self):
if self.injail == True:
return 1
else:
return -1
def InMud(self):
for mud in self.muds:
if mud.intersects(self.current_state):
self.Inmud = True
return 1
else:
self.Inmud = False
return -1
def GetCurrentState(self):
return self.current_state.x, self.current_state.y, self.InJail(
), self.InMud()
def TakeAction(self, action):
if not self.injail:
proposal = Point((self.current_state.x + action[0],
self.current_state.y + action[1]))
#print proposal.x, proposal.y
path = LineString([self.current_state, proposal])
if self.obstacles:
for obstacle in self.obstacles:
if obstacle.intersects(path):
self.injail = True
self.current_state = Point((-1, -1))
return
if self.muds:
for mud in self.muds:
if mud.intersects(path):
# print 'we are here'
path_inmud = mud.intersection(path)
coords = [path.coords[0], path.coords[1]]
for loc in path_inmud.coords:
if loc not in coords:
coords.append(loc)
coords.sort(key=lambda tup: tup[1])
p_in_mud = proposal.intersects(mud)
s_in_mud = self.current_state.intersects(mud)
if p_in_mud and not s_in_mud:
# print 'current not in mud'
if coords.index((self.current_state.x,
self.current_state.y)) == 0:
x = coords[1][0] - coords[0][0] + 0.5 * (
coords[-1][0] - coords[1][0])
y = coords[1][1] - coords[0][1] + 0.5 * (
coords[-1][1] - coords[1][1])
proposal = Point(
(coords[0][0] + x, coords[0][1] + y))
else:
x = coords[1][0] - coords[-1][0] + 0.5 * (
coords[0][0] - coords[1][0])
y = coords[1][1] - coords[-1][1] + 0.5 * (
coords[0][1] - coords[1][1])
proposal = Point(
(coords[-1][0] + x, coords[-1][1] + y))
elif s_in_mud and not p_in_mud:
# print 'proposal not in mud'
if coords.index((self.current_state.x,
self.current_state.y)) == 0:
x = 0.5 * (coords[1][0] - coords[0][0]) + (
coords[-1][0] - coords[1][0])
y = 0.5 * (coords[1][1] - coords[0][1]) + (
coords[-1][1] - coords[1][1])
proposal = Point(
(coords[0][0] + x, coords[0][1] + y))
else:
x = 0.5 * (coords[1][0] - coords[-1][0]) + (
coords[0][0] - coords[1][0])
y = 0.5 * (coords[1][1] - coords[-1][1]) + (
coords[0][1] - coords[1][1])
proposal = Point(
(coords[-1][0] + x, coords[-1][1] + y))
else:
proposal = Point(
(self.current_state.x + action[0] * 0.5,
self.current_state.y + action[1] * 0.5))
path = LineString([self.current_state, proposal])
bounds = LinearRing(self.maze.exterior.coords)
if bounds.intersects(path):
onedge = bounds.intersection(path)
if type(onedge) is MultiPoint:
for point in onedge:
if not point.equals(self.current_state):
proposal = point
elif type(onedge) is Point:
if not onedge.equals(self.current_state):
proposal = onedge
elif not self.maze.contains(proposal):
proposal = bounds.interpolate(bounds.project(proposal))
self.current_state = proposal
else:
self.deadend_toleration = self.deadend_toleration - 1
return self.GetCurrentState()
def IfGameEnd(self):
for goal in self.goal_states:
if self.current_state.equals(goal):
self.Reset()
if (self.deadend_toleration == 0):
self.Reset()
def DeltaDistance(self, new_state, old_state):
delta = []
delta.append(new_state[0] - old_state[0])
delta.append(new_state[1] - old_state[1])
if (new_state[2] == 1):
delta.append(1)
else:
delta.append(-1)
if (new_state[3] == 1):
delta.append(1)
else:
delta.append(-1)
return delta