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Fixed quaternion constructor from two vectors special cases #469

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This commit is contained in:
Christophe Riccio
2017-08-22 22:47:36 +02:00
parent 4e0c87683c
commit 6932058f59
3 changed files with 36 additions and 9 deletions
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22
test/gtc/gtc_quaternion.cpp
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@@ -225,16 +225,28 @@ int test_quat_mul()
int test_quat_two_axis_ctr()
{
int Error(0);
int Error = 0;
glm::quat q1(glm::vec3(1, 0, 0), glm::vec3(0, 1, 0));
glm::vec3 v1 = q1 * glm::vec3(1, 0, 0);
glm::quat const q1(glm::vec3(1, 0, 0), glm::vec3(0, 1, 0));
glm::vec3 const v1 = q1 * glm::vec3(1, 0, 0);
Error += glm::all(glm::epsilonEqual(v1, glm::vec3(0, 1, 0), 0.0001f)) ? 0 : 1;
glm::quat q2 = q1 * q1;
glm::vec3 v2 = q2 * glm::vec3(1, 0, 0);
glm::quat const q2 = q1 * q1;
glm::vec3 const v2 = q2 * glm::vec3(1, 0, 0);
Error += glm::all(glm::epsilonEqual(v2, glm::vec3(-1, 0, 0), 0.0001f)) ? 0 : 1;
glm::quat const q3(glm::vec3(1, 0, 0), glm::vec3(-1, 0, 0));
glm::vec3 const v3 = q3 * glm::vec3(1, 0, 0);
Error += glm::all(glm::epsilonEqual(v3, glm::vec3(-1, 0, 0), 0.0001f)) ? 0 : 1;
glm::quat const q4(glm::vec3(0, 1, 0), glm::vec3(0, -1, 0));
glm::vec3 const v4 = q4 * glm::vec3(0, 1, 0);
Error += glm::all(glm::epsilonEqual(v4, glm::vec3(0, -1, 0), 0.0001f)) ? 0 : 1;
glm::quat const q5(glm::vec3(0, 0, 1), glm::vec3(0, 0, -1));
glm::vec3 const v5 = q5 * glm::vec3(0, 0, 1);
Error += glm::all(glm::epsilonEqual(v5, glm::vec3(0, 0, -1), 0.0001f)) ? 0 : 1;
return Error;
}