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Diffstat (limited to 'tests/gtests/alembic/abc_matrix_test.cc')
| -rw-r--r-- | tests/gtests/alembic/abc_matrix_test.cc | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/tests/gtests/alembic/abc_matrix_test.cc b/tests/gtests/alembic/abc_matrix_test.cc new file mode 100644 index 00000000000..bbdcd467de9 --- /dev/null +++ b/tests/gtests/alembic/abc_matrix_test.cc @@ -0,0 +1,150 @@ +#include "testing/testing.h" + +// Keep first since utildefines defines AT which conflicts with fucking STL +#include "intern/abc_util.h" + +extern "C" { +#include "BLI_utildefines.h" +#include "BLI_math.h" +} + + +#define EXPECT_M3_NEAR(a, b, eps) {\ + EXPECT_V3_NEAR(a[0], b[0], eps); \ + EXPECT_V3_NEAR(a[1], b[1], eps); \ + EXPECT_V3_NEAR(a[2], b[2], eps); \ +} + +TEST(abc_matrix, CreateRotationMatrixY_YfromZ) { + // Input variables + float rot_x_mat[3][3]; + float rot_y_mat[3][3]; + float rot_z_mat[3][3]; + float euler[3] = {0.f, M_PI_4, 0.f}; + + // Construct expected matrices + float unit[3][3]; + float rot_z_min_quart_pi[3][3]; // rotation of -pi/4 radians over z-axis + + unit_m3(unit); + unit_m3(rot_z_min_quart_pi); + rot_z_min_quart_pi[0][0] = M_SQRT1_2; + rot_z_min_quart_pi[0][1] = -M_SQRT1_2; + rot_z_min_quart_pi[1][0] = M_SQRT1_2; + rot_z_min_quart_pi[1][1] = M_SQRT1_2; + + // Run tests + create_swapped_rotation_matrix(rot_x_mat, rot_y_mat, rot_z_mat, euler, + ABC_YUP_FROM_ZUP); + + EXPECT_M3_NEAR(rot_x_mat, unit, 1e-5f); + EXPECT_M3_NEAR(rot_y_mat, unit, 1e-5f); + EXPECT_M3_NEAR(rot_z_mat, rot_z_min_quart_pi, 1e-5f); +} + +TEST(abc_matrix, CreateRotationMatrixZ_YfromZ) { + // Input variables + float rot_x_mat[3][3]; + float rot_y_mat[3][3]; + float rot_z_mat[3][3]; + float euler[3] = {0.f, 0.f, M_PI_4}; + + // Construct expected matrices + float unit[3][3]; + float rot_y_quart_pi[3][3]; // rotation of pi/4 radians over y-axis + + unit_m3(unit); + unit_m3(rot_y_quart_pi); + rot_y_quart_pi[0][0] = M_SQRT1_2; + rot_y_quart_pi[0][2] = -M_SQRT1_2; + rot_y_quart_pi[2][0] = M_SQRT1_2; + rot_y_quart_pi[2][2] = M_SQRT1_2; + + // Run tests + create_swapped_rotation_matrix(rot_x_mat, rot_y_mat, rot_z_mat, euler, + ABC_YUP_FROM_ZUP); + + EXPECT_M3_NEAR(rot_x_mat, unit, 1e-5f); + EXPECT_M3_NEAR(rot_y_mat, rot_y_quart_pi, 1e-5f); + EXPECT_M3_NEAR(rot_z_mat, unit, 1e-5f); +} + +TEST(abc_matrix, CreateRotationMatrixXYZ_YfromZ) { + // Input variables + float rot_x_mat[3][3]; + float rot_y_mat[3][3]; + float rot_z_mat[3][3]; + // in degrees: X=10, Y=20, Z=30 + float euler[3] = {0.1745329201221466f, 0.3490658104419708f, 0.5235987901687622f}; + + // Construct expected matrices + float rot_x_p10[3][3]; // rotation of +10 degrees over x-axis + float rot_y_p30[3][3]; // rotation of +30 degrees over y-axis + float rot_z_m20[3][3]; // rotation of -20 degrees over z-axis + + unit_m3(rot_x_p10); + rot_x_p10[1][1] = 0.9848077297210693f; + rot_x_p10[1][2] = 0.1736481785774231f; + rot_x_p10[2][1] = -0.1736481785774231f; + rot_x_p10[2][2] = 0.9848077297210693f; + + unit_m3(rot_y_p30); + rot_y_p30[0][0] = 0.8660253882408142f; + rot_y_p30[0][2] = -0.5f; + rot_y_p30[2][0] = 0.5f; + rot_y_p30[2][2] = 0.8660253882408142f; + + unit_m3(rot_z_m20); + rot_z_m20[0][0] = 0.9396926164627075f; + rot_z_m20[0][1] = -0.3420201241970062f; + rot_z_m20[1][0] = 0.3420201241970062f; + rot_z_m20[1][1] = 0.9396926164627075f; + + // Run tests + create_swapped_rotation_matrix(rot_x_mat, rot_y_mat, rot_z_mat, euler, + ABC_YUP_FROM_ZUP); + + EXPECT_M3_NEAR(rot_x_mat, rot_x_p10, 1e-5f); + EXPECT_M3_NEAR(rot_y_mat, rot_y_p30, 1e-5f); + EXPECT_M3_NEAR(rot_z_mat, rot_z_m20, 1e-5f); +} + +TEST(abc_matrix, CreateRotationMatrixXYZ_ZfromY) { + // Input variables + float rot_x_mat[3][3]; + float rot_y_mat[3][3]; + float rot_z_mat[3][3]; + // in degrees: X=10, Y=20, Z=30 + float euler[3] = {0.1745329201221466f, 0.3490658104419708f, 0.5235987901687622f}; + + // Construct expected matrices + float rot_x_p10[3][3]; // rotation of +10 degrees over x-axis + float rot_y_m30[3][3]; // rotation of -30 degrees over y-axis + float rot_z_p20[3][3]; // rotation of +20 degrees over z-axis + + unit_m3(rot_x_p10); + rot_x_p10[1][1] = 0.9848077297210693f; + rot_x_p10[1][2] = 0.1736481785774231f; + rot_x_p10[2][1] = -0.1736481785774231f; + rot_x_p10[2][2] = 0.9848077297210693f; + + unit_m3(rot_y_m30); + rot_y_m30[0][0] = 0.8660253882408142f; + rot_y_m30[0][2] = 0.5f; + rot_y_m30[2][0] = -0.5f; + rot_y_m30[2][2] = 0.8660253882408142f; + + unit_m3(rot_z_p20); + rot_z_p20[0][0] = 0.9396926164627075f; + rot_z_p20[0][1] = 0.3420201241970062f; + rot_z_p20[1][0] = -0.3420201241970062f; + rot_z_p20[1][1] = 0.9396926164627075f; + + // Run tests + create_swapped_rotation_matrix(rot_x_mat, rot_y_mat, rot_z_mat, euler, + ABC_ZUP_FROM_YUP); + + EXPECT_M3_NEAR(rot_x_mat, rot_x_p10, 1e-5f); + EXPECT_M3_NEAR(rot_y_mat, rot_y_m30, 1e-5f); + EXPECT_M3_NEAR(rot_z_mat, rot_z_p20, 1e-5f); +} |