c9a79a73f60971a5d1defe128fdaaf7456c5cf78
[blender-staging.git] / tests / gtests / alembic / abc_matrix_test.cc
1 #include "testing/testing.h"
2
3 // Keep first since utildefines defines AT which conflicts with fucking STL
4 #include "intern/abc_util.h"
5
6 extern "C" {
7 #include "BLI_utildefines.h"
8 #include "BLI_math.h"
9 }
10
11
12 TEST(abc_matrix, CreateRotationMatrixY_YfromZ) {
13         // Input variables
14         float rot_x_mat[3][3];
15         float rot_y_mat[3][3];
16         float rot_z_mat[3][3];
17         float euler[3] = {0.f, M_PI_4, 0.f};
18
19         // Construct expected matrices
20         float unit[3][3];
21         float rot_z_min_quart_pi[3][3];  // rotation of -pi/4 radians over z-axis
22
23         unit_m3(unit);
24         unit_m3(rot_z_min_quart_pi);
25         rot_z_min_quart_pi[0][0] = M_SQRT1_2;
26         rot_z_min_quart_pi[0][1] = -M_SQRT1_2;
27         rot_z_min_quart_pi[1][0] = M_SQRT1_2;
28         rot_z_min_quart_pi[1][1] = M_SQRT1_2;
29
30         // Run tests
31         create_swapped_rotation_matrix(rot_x_mat, rot_y_mat, rot_z_mat, euler,
32                                        ABC_YUP_FROM_ZUP);
33
34         EXPECT_M3_NEAR(rot_x_mat, unit, 1e-5f);
35         EXPECT_M3_NEAR(rot_y_mat, unit, 1e-5f);
36         EXPECT_M3_NEAR(rot_z_mat, rot_z_min_quart_pi, 1e-5f);
37 }
38
39 TEST(abc_matrix, CreateRotationMatrixZ_YfromZ) {
40         // Input variables
41         float rot_x_mat[3][3];
42         float rot_y_mat[3][3];
43         float rot_z_mat[3][3];
44         float euler[3] = {0.f, 0.f, M_PI_4};
45
46         // Construct expected matrices
47         float unit[3][3];
48         float rot_y_quart_pi[3][3];  // rotation of pi/4 radians over y-axis
49
50         unit_m3(unit);
51         unit_m3(rot_y_quart_pi);
52         rot_y_quart_pi[0][0] = M_SQRT1_2;
53         rot_y_quart_pi[0][2] = -M_SQRT1_2;
54         rot_y_quart_pi[2][0] = M_SQRT1_2;
55         rot_y_quart_pi[2][2] = M_SQRT1_2;
56
57         // Run tests
58         create_swapped_rotation_matrix(rot_x_mat, rot_y_mat, rot_z_mat, euler,
59                                        ABC_YUP_FROM_ZUP);
60
61         EXPECT_M3_NEAR(rot_x_mat, unit, 1e-5f);
62         EXPECT_M3_NEAR(rot_y_mat, rot_y_quart_pi, 1e-5f);
63         EXPECT_M3_NEAR(rot_z_mat, unit, 1e-5f);
64 }
65
66 TEST(abc_matrix, CreateRotationMatrixXYZ_YfromZ) {
67         // Input variables
68         float rot_x_mat[3][3];
69         float rot_y_mat[3][3];
70         float rot_z_mat[3][3];
71         // in degrees: X=10, Y=20, Z=30
72         float euler[3] = {0.1745329201221466f, 0.3490658104419708f, 0.5235987901687622f};
73
74         // Construct expected matrices
75         float rot_x_p10[3][3];  // rotation of +10 degrees over x-axis
76         float rot_y_p30[3][3];  // rotation of +30 degrees over y-axis
77         float rot_z_m20[3][3];  // rotation of -20 degrees over z-axis
78
79         unit_m3(rot_x_p10);
80         rot_x_p10[1][1] =  0.9848077297210693f;
81         rot_x_p10[1][2] =  0.1736481785774231f;
82         rot_x_p10[2][1] = -0.1736481785774231f;
83         rot_x_p10[2][2] =  0.9848077297210693f;
84
85         unit_m3(rot_y_p30);
86         rot_y_p30[0][0] =  0.8660253882408142f;
87         rot_y_p30[0][2] = -0.5f;
88         rot_y_p30[2][0] =  0.5f;
89         rot_y_p30[2][2] =  0.8660253882408142f;
90
91         unit_m3(rot_z_m20);
92         rot_z_m20[0][0] =  0.9396926164627075f;
93         rot_z_m20[0][1] = -0.3420201241970062f;
94         rot_z_m20[1][0] =  0.3420201241970062f;
95         rot_z_m20[1][1] =  0.9396926164627075f;
96
97         // Run tests
98         create_swapped_rotation_matrix(rot_x_mat, rot_y_mat, rot_z_mat, euler,
99                                        ABC_YUP_FROM_ZUP);
100
101         EXPECT_M3_NEAR(rot_x_mat, rot_x_p10, 1e-5f);
102         EXPECT_M3_NEAR(rot_y_mat, rot_y_p30, 1e-5f);
103         EXPECT_M3_NEAR(rot_z_mat, rot_z_m20, 1e-5f);
104 }
105
106 TEST(abc_matrix, CreateRotationMatrixXYZ_ZfromY) {
107         // Input variables
108         float rot_x_mat[3][3];
109         float rot_y_mat[3][3];
110         float rot_z_mat[3][3];
111         // in degrees: X=10, Y=20, Z=30
112         float euler[3] = {0.1745329201221466f, 0.3490658104419708f, 0.5235987901687622f};
113
114         // Construct expected matrices
115         float rot_x_p10[3][3];  // rotation of +10 degrees over x-axis
116         float rot_y_m30[3][3];  // rotation of -30 degrees over y-axis
117         float rot_z_p20[3][3];  // rotation of +20 degrees over z-axis
118
119         unit_m3(rot_x_p10);
120         rot_x_p10[1][1] =  0.9848077297210693f;
121         rot_x_p10[1][2] =  0.1736481785774231f;
122         rot_x_p10[2][1] = -0.1736481785774231f;
123         rot_x_p10[2][2] =  0.9848077297210693f;
124
125         unit_m3(rot_y_m30);
126         rot_y_m30[0][0] =  0.8660253882408142f;
127         rot_y_m30[0][2] =  0.5f;
128         rot_y_m30[2][0] = -0.5f;
129         rot_y_m30[2][2] =  0.8660253882408142f;
130
131         unit_m3(rot_z_p20);
132         rot_z_p20[0][0] =  0.9396926164627075f;
133         rot_z_p20[0][1] =  0.3420201241970062f;
134         rot_z_p20[1][0] = -0.3420201241970062f;
135         rot_z_p20[1][1] =  0.9396926164627075f;
136
137         // Run tests
138         create_swapped_rotation_matrix(rot_x_mat, rot_y_mat, rot_z_mat, euler,
139                                        ABC_ZUP_FROM_YUP);
140
141         EXPECT_M3_NEAR(rot_x_mat, rot_x_p10, 1e-5f);
142         EXPECT_M3_NEAR(rot_y_mat, rot_y_m30, 1e-5f);
143         EXPECT_M3_NEAR(rot_z_mat, rot_z_p20, 1e-5f);
144 }