1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
# -*- coding: utf-8 -*-
# https://gitlab.com/yade-dev/trunk/issues/7
# https://answers.launchpad.net/yade/+question/220785
# https://bugs.launchpad.net/yade/+bug/1112763
import unittest
from yade.utils import *
# https://docs.python.org/3/library/unittest.html
class TestColliderByGiulia(unittest.TestCase):
def setUp(self):
self.wontFixIssue7 = [
(-1., True, 2, 0, 0.), (1., False, 2, 0, 0.), (-1., True, 0, 1, 0.), (1., False, 0, 1, 0.), (-1., True, 1, 2, 0.),
(1., False, 1, 2, 0.)
]
self.skip_4200_iterations = True # =False # means that test will be more comprehensive and a bit slower.
self.DbigSphere = 1.
self.cellSizes = [self.DbigSphere * 1., self.DbigSphere * 3., self.DbigSphere * 3.]
self.radius_bigSphere = self.DbigSphere / 2
self.radius_sph = self.DbigSphere / 10
def tearDown(self):
# here finalize the tests, maybe close an opened file, or something else
O.reset()
def printOK(self, sign, ordering, axis, initialSortAxis, change):
self.assertTrue(True)
#axis = (2-axis)%3 # bacause the movement is along Z axis, while axis numbering referes to X. Better to print the axis which causes problems, than axis used in the loop numbering.
#print("\033[92m OK, sign=",sign," ordering=",ordering," axis=",axis," initialSortAxis=",initialSortAxis,"\033[0m")
def noteFail(self, sign, ordering, axis, initialSortAxis, change):
axis = (
2 - axis
) % 3 # bacause the movement is along Z axis, while axis numbering referes to X. Better to print the axis which causes problems, than axis used in the loop numbering.
if ((sign, ordering, axis, initialSortAxis, change) in self.wontFixIssue7):
#print("\033[92m OK, sign=",sign," ordering=",ordering," axis=",axis," initialSortAxis=",initialSortAxis," change=",change,"\033[0m")
self.assertTrue(True)
else:
print(
"\033[91m failure, sign=", sign, " ordering=", ordering, " axis=", axis, " initialSortAxis=", initialSortAxis, " change=",
change, "\033[0m"
)
self.assertTrue(False)
self.assertTrue((sign, ordering, axis, initialSortAxis, change) in self.wontFixIssue7)
def testColiderRegressions(self):
for initialSortAxis in [0, 1, 2]:
for axis in [0, 1, 2]:
for sign in [-1.0, 1.0]:
for ordering in [True, False]:
for change in [1e-15, 0]:
O.reset()
O.periodic = True
O.cell.setBox(
Vector3(
self.cellSizes[(0 + axis) % 3] + change, self.cellSizes[(1 + axis) % 3] + change,
self.cellSizes[(2 + axis) % 3] + change
)
)
# Big blue sphere
centerPos = [
self.cellSizes[0] / 2., self.cellSizes[1] / 2., self.cellSizes[2] * (0.7 if sign > 0 else 0.3)
]
center_bigSphere = Vector3(
centerPos[(0 + axis) % 3], centerPos[(1 + axis) % 3], centerPos[(2 + axis) % 3]
)
bigSphere = sphere(center=center_bigSphere, radius=self.radius_bigSphere, color=(0, 0, 1))
# Red small sphere
centerSmall = [
centerPos[0], centerPos[1] + 1. / 5. * self.DbigSphere,
centerPos[2] + sign * (-self.DbigSphere / 2. - self.radius_sph)
]
center_sph = Vector3(
centerSmall[(0 + axis) % 3], centerSmall[(1 + axis) % 3], centerSmall[(2 + axis) % 3]
)
sphereSmall = sphere(center=center_sph, radius=self.radius_sph, color=(1, 0, 0))
forceAxis = [0, 0, -sign * 100]
if (ordering == True):
O.bodies.append((sphereSmall, bigSphere))
else:
O.bodies.append((bigSphere, sphereSmall))
O.engines = [
ForceResetter(),
InsertionSortCollider([Bo1_Sphere_Aabb()], allowBiggerThanPeriod=True),
InteractionLoop(
[Ig2_Sphere_Sphere_ScGeom()], [
Ip2_FrictMat_FrictMat_MindlinPhys(),
], [Law2_ScGeom_MindlinPhys_Mindlin()]
),
ForceEngine(
force=(forceAxis[(0 + axis) % 3], forceAxis[(1 + axis) % 3], forceAxis[(2 + axis) % 3]),
ids=[bigSphere.id]
),
NewtonIntegrator(damping=0.5),
]
O.dt = 0.2 * PWaveTimeStep()
testedCollider = typedEngine("InsertionSortCollider")
testedCollider.sortAxis = initialSortAxis
# at O.iter==2 is appears first time and i.isReal == False, at O.iter==4240, i.isReal==True and Overlap 1.1326899061803175e-05
O.run(2, True)
#print("dumpBounds():",testedCollider.dumpBounds()[(2-axis)%3])
try:
i = O.interactions[bigSphere.id, sphereSmall.id]
if ((i.isReal == False) and (O.iter == 2)):
if (self.skip_4200_iterations):
self.printOK(sign, ordering, axis, initialSortAxis, change)
else:
O.run(4240 - 3, True)
wasReal = i.isReal
O.run(1, True)
if (
(wasReal == False) and (i.isReal == True) and (O.iter == 4240) and (
abs(
O.interactions[bigSphere.id,
sphereSmall.id].geom.penetrationDepth -
1.1326899061803175e-05
) < 1e-15
)
):
self.printOK(sign, ordering, axis, initialSortAxis, change)
#print('iter first interaction\tStep',O.iter,'\tOverlap',O.interactions[bigSphere.id,sphereSmall.id].geom.penetrationDepth)
else:
self.noteFail(sign, ordering, axis, initialSortAxis, change)
else:
self.noteFail(sign, ordering, axis, initialSortAxis, change)
except Exception as e:
self.noteFail(sign, ordering, axis, initialSortAxis, change)
|
