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replace mat4_mulq with glm_quat_rotate

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* glm_quat_rotate is better name to rotate transform matrix using quaternion.
* we may use mat4_mulq in the future for another purpose e.g. left multiplication quat with matrix
This commit is contained in:
Recep Aslantas
2018-04-11 10:49:53 +03:00
parent 80d255e6d9
commit fdea13507b
5 changed files with 69 additions and 31 deletions
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30
test/src/test_quat.c
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@@ -154,5 +154,35 @@ test_quat(void **state) {
test_assert_vec3_eq(v1, v2);
/* 11. test rotate transform */
glm_translate_make(rot1, (vec3){-10.0, 45.0f, 8.0f});
glm_rotate(rot1, glm_rad(-90), GLM_ZUP);
glm_quatv(q3, glm_rad(-90.0f), GLM_ZUP);
glm_translate_make(rot2, (vec3){-10.0, 45.0f, 8.0f});
glm_quat_rotate(rot2, q3, rot2);
/* result must be same (almost) */
test_assert_mat4_eq2(rot1, rot2, 0.000009);
glm_rotate_make(rot1, glm_rad(-90), GLM_ZUP);
glm_translate(rot1, (vec3){-10.0, 45.0f, 8.0f});
glm_quatv(q3, glm_rad(-90.0f), GLM_ZUP);
glm_mat4_identity(rot2);
glm_quat_rotate(rot2, q3, rot2);
glm_translate(rot2, (vec3){-10.0, 45.0f, 8.0f});
/* result must be same (almost) */
test_assert_mat4_eq2(rot1, rot2, 0.000009);
/* reverse */
glm_rotate_make(rot1, glm_rad(-90), GLM_ZUP);
glm_quatv(q3, glm_rad(90.0f), GLM_ZUP);
glm_quat_rotate(rot1, q3, rot1);
/* result must be identity */
test_assert_mat4_eq2(rot1, GLM_MAT4_IDENTITY, 0.000009);
/* TODO: add tests for slerp, lerp */
}