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tests: add tests for some affine rotations

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Recep Aslantas
2020-02-21 17:52:50 +03:00
parent 6b32b5dc35
commit 5995269195
2 changed files with 127 additions and 0 deletions
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111
test/src/test_affine.h
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@@ -266,18 +266,129 @@ TEST_IMPL(GLM_PREFIX, scale_uni) {
}
TEST_IMPL(GLM_PREFIX, rotate_x) {
mat4 m1 = GLM_MAT4_IDENTITY_INIT;
vec4 v1 = {0.0f, 1.0f, 0.0f, 1.0f}, v2 = {0.0f, 1.0f, 0.0f, 1.0f};
GLM(rotate_x)(m1, GLM_PI_2f, m1);
glm_mat4_mulv(m1, v1, v1);
ASSERT(test_eq(v1[0], 0.0f))
ASSERT(test_eq(v1[1], 0.0f))
ASSERT(test_eq(v1[2], 1.0f))
glm_vec3_copy(v2, v1);
GLM(rotate_x)(m1, GLM_PI_2f, m1);
glm_mat4_mulv(m1, v1, v1);
ASSERT(test_eq(v1[0], 0.0f))
ASSERT(test_eq(v1[1], -1.0f))
ASSERT(test_eq(v1[2], 0.0f))
glm_vec3_copy(v2, v1);
GLM(rotate_x)(m1, GLM_PI_2f, m1);
glm_mat4_mulv(m1, v1, v1);
ASSERT(test_eq(v1[0], 0.0f))
ASSERT(test_eq(v1[1], 0.0f))
ASSERT(test_eq(v1[2], -1.0f))
TEST_SUCCESS
}
TEST_IMPL(GLM_PREFIX, rotate_y) {
mat4 m1 = GLM_MAT4_IDENTITY_INIT;
vec4 v1 = {1.0f, 0.0f, 0.0f, 1.0f}, v2 = {1.0f, 0.0f, 0.0f, 1.0f};
GLM(rotate_y)(m1, GLM_PI_2f, m1);
glm_mat4_mulv(m1, v1, v1);
ASSERT(test_eq(v1[0], 0.0f))
ASSERT(test_eq(v1[1], 0.0f))
ASSERT(test_eq(v1[2], -1.0f))
glm_vec3_copy(v2, v1);
GLM(rotate_y)(m1, GLM_PI_2f, m1);
glm_mat4_mulv(m1, v1, v1);
ASSERT(test_eq(v1[0], -1.0f))
ASSERT(test_eq(v1[1], 0.0f))
ASSERT(test_eq(v1[2], 0.0f))
glm_vec3_copy(v2, v1);
GLM(rotate_y)(m1, GLM_PI_2f, m1);
glm_mat4_mulv(m1, v1, v1);
ASSERT(test_eq(v1[0], 0.0f))
ASSERT(test_eq(v1[1], 0.0f))
ASSERT(test_eq(v1[2], 1.0f))
TEST_SUCCESS
}
TEST_IMPL(GLM_PREFIX, rotate_z) {
mat4 m1 = GLM_MAT4_IDENTITY_INIT;
vec4 v1 = {0.0f, 1.0f, 0.0f, 1.0f}, v2 = {0.0f, 1.0f, 0.0f, 1.0f};
GLM(rotate_z)(m1, GLM_PI_2f, m1);
glm_mat4_mulv(m1, v1, v1);
ASSERT(test_eq(v1[0], -1.0f))
ASSERT(test_eq(v1[1], 0.0f))
ASSERT(test_eq(v1[2], 0.0f))
glm_vec3_copy(v2, v1);
GLM(rotate_z)(m1, GLM_PI_2f, m1);
glm_mat4_mulv(m1, v1, v1);
ASSERT(test_eq(v1[0], 0.0f))
ASSERT(test_eq(v1[1], -1.0f))
ASSERT(test_eq(v1[2], 0.0f))
glm_vec3_copy(v2, v1);
GLM(rotate_z)(m1, GLM_PI_2f, m1);
glm_mat4_mulv(m1, v1, v1);
ASSERT(test_eq(v1[0], 1.0f))
ASSERT(test_eq(v1[1], 0.0f))
ASSERT(test_eq(v1[2], 0.0f))
TEST_SUCCESS
}
TEST_IMPL(GLM_PREFIX, rotate_make) {
mat4 m1 = GLM_MAT4_IDENTITY_INIT;
vec4 v1 = {1.0f, 0.0f, 0.0f, 1.0f};
/* rotate X around Y = -Z */
GLM(rotate_make)(m1, GLM_PI_2f, GLM_YUP);
glm_mat4_mulv(m1, v1, v1);
ASSERT(test_eq(v1[0], 0.0f))
ASSERT(test_eq(v1[1], 0.0f))
ASSERT(test_eq(v1[2], -1.0f))
/* rotate -Z around X = Y */
GLM(rotate_make)(m1, GLM_PI_2f, GLM_XUP);
glm_mat4_mulv(m1, v1, v1);
ASSERT(test_eq(v1[0], 0.0f))
ASSERT(test_eq(v1[1], 1.0f))
ASSERT(test_eq(v1[2], 0.0f))
/* rotate Y around X = +Z */
GLM(rotate_make)(m1, GLM_PI_2f, GLM_XUP);
glm_mat4_mulv(m1, v1, v1);
ASSERT(test_eq(v1[0], 0.0f))
ASSERT(test_eq(v1[1], 0.0f))
ASSERT(test_eq(v1[2], 1.0f))
TEST_SUCCESS
}