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vec: optimize rotate vector using matrix

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* add mat3 version
This commit is contained in:
Recep Aslantas
2018-04-13 22:33:32 +03:00
parent 7f7007574b
commit d6395d4fb8
3 changed files with 64 additions and 8 deletions
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12
test/src/test_vec3.c
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@@ -9,6 +9,8 @@
void
test_vec3(void **state) {
mat3 rot1m3;
mat4 rot1;
vec3 v, v1, v2;
/* test zero */
@@ -63,4 +65,14 @@ test_vec3(void **state) {
glm_vec_broadcast(3, v2);
glm_vec_muladd(v1, v2, v);
assert_true(glmc_vec_eq_eps(v, 10));
/* rotate */
glm_vec_copy(GLM_YUP, v);
glm_rotate_make(rot1, glm_rad(90), GLM_XUP);
glm_vec_rotate_m4(rot1, v, v1);
glm_mat4_pick3(rot1, rot1m3);
glm_vec_rotate_m3(rot1m3, v, v2);
test_assert_vec3_eq(v1, v2);
test_assert_vec3_eq(v1, GLM_ZUP);
}