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
|
import numpy
from collada.xmlutil import etree
fromstring = etree.fromstring
tostring = etree.tostring
import collada
from collada.util import unittest
class TestIteration(unittest.TestCase):
def setUp(self):
self.dummy = collada.Collada(validate_output=True)
def test_triangle_iterator_vert_normals(self):
mesh = collada.Collada(validate_output=True)
vert_floats = [-50,50,50,50,50,50,-50,-50,50,50,-50,50,-50,50,-50,50,50,-50,-50,-50,-50,50,-50,-50]
normal_floats = [0,0,1,0,0,1,0,0,1,0,0,1,0,1,0,0,1,0,0,1,0,0,1,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,-1,0,0,
-1,0,0,-1,0,0,-1,0,0,1,0,0,1,0,0,1,0,0,1,0,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1]
vert_src = collada.source.FloatSource("cubeverts-array", numpy.array(vert_floats), ('X', 'Y', 'Z'))
normal_src = collada.source.FloatSource("cubenormals-array", numpy.array(normal_floats), ('X', 'Y', 'Z'))
geometry = collada.geometry.Geometry(mesh, "geometry0", "mycube", [vert_src, normal_src], [])
input_list = collada.source.InputList()
input_list.addInput(0, 'VERTEX', "#cubeverts-array")
input_list.addInput(1, 'NORMAL', "#cubenormals-array")
indices = numpy.array([0,0,2,1,3,2,0,0,3,2,1,3,0,4,1,5,5,6,0,4,5,6,4,7,6,8,7,9,3,10,6,8,3,10,2,11,0,12,
4,13,6,14,0,12,6,14,2,15,3,16,7,17,5,18,3,16,5,18,1,19,5,20,7,21,6,22,5,20,6,22,4,23])
triangleset = geometry.createTriangleSet(indices, input_list, "cubematerial")
geometry.primitives.append(triangleset)
mesh.geometries.append(geometry)
geomnode = collada.scene.GeometryNode(geometry, [])
mynode = collada.scene.Node('mynode6', children=[geomnode], transforms=[])
scene = collada.scene.Scene('myscene', [mynode])
mesh.scenes.append(scene)
mesh.scene = scene
mesh.save()
geoms = list(mesh.scene.objects('geometry'))
self.assertEqual(len(geoms), 1)
prims = list(geoms[0].primitives())
self.assertEqual(len(prims), 1)
tris = list(prims[0])
self.assertEqual(len(tris), 12)
self.assertEqual(list(tris[0].vertices[0]), [-50.0, 50.0, 50.0])
self.assertEqual(list(tris[0].vertices[1]), [-50.0, -50.0, 50.0])
self.assertEqual(list(tris[0].vertices[2]), [50.0, -50.0, 50.0])
self.assertEqual(list(tris[0].normals[0]), [0.0, 0.0, 1.0])
self.assertEqual(list(tris[0].normals[1]), [0.0, 0.0, 1.0])
self.assertEqual(list(tris[0].normals[2]), [0.0, 0.0, 1.0])
self.assertEqual(tris[0].texcoords, [])
self.assertEqual(tris[0].material, None)
self.assertEqual(list(tris[0].indices), [0, 2, 3])
self.assertEqual(list(tris[0].normal_indices), [0, 1, 2])
self.assertEqual(tris[0].texcoord_indices, [])
def test_polylist_iterator_vert_normals(self):
mesh = collada.Collada(validate_output=True)
vert_floats = [-50,50,50,50,50,50,-50,-50,50,50,-50,50,-50,50,-50,50,50,-50,-50,-50,-50,50,-50,-50]
normal_floats = [0,0,1,0,0,1,0,0,1,0,0,1,0,1,0,0,1,0,0,1,0,0,1,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,-1,0,0,
-1,0,0,-1,0,0,-1,0,0,1,0,0,1,0,0,1,0,0,1,0,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1]
vert_src = collada.source.FloatSource("cubeverts-array", numpy.array(vert_floats), ('X', 'Y', 'Z'))
normal_src = collada.source.FloatSource("cubenormals-array", numpy.array(normal_floats), ('X', 'Y', 'Z'))
geometry = collada.geometry.Geometry(mesh, "geometry0", "mycube", [vert_src, normal_src], [])
input_list = collada.source.InputList()
input_list.addInput(0, 'VERTEX', "#cubeverts-array")
input_list.addInput(1, 'NORMAL', "#cubenormals-array")
vcounts = numpy.array([4,4,4,4,4,4])
indices = numpy.array([0,0,2,1,3,2,1,3,0,4,1,5,5,6,4,7,6,8,7,9,3,10,2,11,0,12,4,13,6,14,2,
15,3,16,7,17,5,18,1,19,5,20,7,21,6,22,4,23])
polylist = geometry.createPolylist(indices, vcounts, input_list, "cubematerial")
geometry.primitives.append(polylist)
mesh.geometries.append(geometry)
geomnode = collada.scene.GeometryNode(geometry, [])
mynode = collada.scene.Node('mynode6', children=[geomnode], transforms=[])
scene = collada.scene.Scene('myscene', [mynode])
mesh.scenes.append(scene)
mesh.scene = scene
mesh.save()
geoms = list(mesh.scene.objects('geometry'))
self.assertEqual(len(geoms), 1)
prims = list(geoms[0].primitives())
self.assertEqual(len(prims), 1)
poly = list(prims[0])
self.assertEqual(len(poly), 6)
self.assertEqual(list(poly[0].vertices[0]), [-50.0, 50.0, 50.0])
self.assertEqual(list(poly[0].vertices[1]), [-50.0, -50.0, 50.0])
self.assertEqual(list(poly[0].vertices[2]), [50.0, -50.0, 50.0])
self.assertEqual(list(poly[0].normals[0]), [0.0, 0.0, 1.0])
self.assertEqual(list(poly[0].normals[1]), [0.0, 0.0, 1.0])
self.assertEqual(list(poly[0].normals[2]), [0.0, 0.0, 1.0])
self.assertEqual(poly[0].texcoords, [])
self.assertEqual(poly[0].material, None)
self.assertEqual(list(poly[0].indices), [0, 2, 3, 1])
self.assertEqual(list(poly[0].normal_indices), [0, 1, 2, 3])
self.assertEqual(poly[0].texcoord_indices, [])
tris = list(poly[0].triangles())
self.assertEqual(list(tris[0].vertices[0]), [-50.0, 50.0, 50.0])
self.assertEqual(list(tris[0].vertices[1]), [-50.0, -50.0, 50.0])
self.assertEqual(list(tris[0].vertices[2]), [50.0, -50.0, 50.0])
self.assertEqual(list(tris[0].normals[0]), [0.0, 0.0, 1.0])
self.assertEqual(list(tris[0].normals[1]), [0.0, 0.0, 1.0])
self.assertEqual(list(tris[0].normals[2]), [0.0, 0.0, 1.0])
self.assertEqual(tris[0].texcoords, [])
self.assertEqual(tris[0].material, None)
self.assertEqual(list(tris[0].indices), [0, 2, 3])
self.assertEqual(list(tris[0].normal_indices), [0, 1, 2])
self.assertEqual(tris[0].texcoord_indices, [])
if __name__ == '__main__':
unittest.main()
|
