rotating skyboxgit add -A

1 files changed, 107 insertions, 0 deletions

diff --git a/glm-master/test/gtx/gtx_quaternion.cpp b/glm-master/test/gtx/gtx_quaternion.cpp
new file mode 100644
index 0000000..80cbbac
--- /dev/null
+++ b/glm-master/test/gtx/gtx_quaternion.cpp
@@ -0,0 +1,107 @@
+#define GLM_ENABLE_EXPERIMENTAL
+#include <glm/gtc/epsilon.hpp>
+#include <glm/gtc/type_ptr.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+#include <glm/gtx/transform.hpp>
+#include <glm/gtx/quaternion.hpp>
+#include <glm/gtx/compatibility.hpp>
+#include <glm/ext.hpp>
+
+int test_quat_fastMix()
+{
+	int Error = 0;
+
+	glm::quat A = glm::angleAxis(0.0f, glm::vec3(0, 0, 1));
+	glm::quat B = glm::angleAxis(glm::pi<float>() * 0.5f, glm::vec3(0, 0, 1));
+	glm::quat C = glm::fastMix(A, B, 0.5f);
+	glm::quat D = glm::angleAxis(glm::pi<float>() * 0.25f, glm::vec3(0, 0, 1));
+
+	Error += glm::epsilonEqual(C.x, D.x, 0.01f) ? 0 : 1;
+	Error += glm::epsilonEqual(C.y, D.y, 0.01f) ? 0 : 1;
+	Error += glm::epsilonEqual(C.z, D.z, 0.01f) ? 0 : 1;
+	Error += glm::epsilonEqual(C.w, D.w, 0.01f) ? 0 : 1;
+
+	return Error;
+}
+
+int test_quat_shortMix()
+{
+	int Error(0);
+
+	glm::quat A = glm::angleAxis(0.0f, glm::vec3(0, 0, 1));
+	glm::quat B = glm::angleAxis(glm::pi<float>() * 0.5f, glm::vec3(0, 0, 1));
+	glm::quat C = glm::shortMix(A, B, 0.5f);
+	glm::quat D = glm::angleAxis(glm::pi<float>() * 0.25f, glm::vec3(0, 0, 1));
+
+	Error += glm::epsilonEqual(C.x, D.x, 0.01f) ? 0 : 1;
+	Error += glm::epsilonEqual(C.y, D.y, 0.01f) ? 0 : 1;
+	Error += glm::epsilonEqual(C.z, D.z, 0.01f) ? 0 : 1;
+	Error += glm::epsilonEqual(C.w, D.w, 0.01f) ? 0 : 1;
+
+	return Error;
+}
+
+int test_orientation()
+{
+	int Error = 0;
+
+	{
+		glm::quat q(1.0f, 0.0f, 0.0f, 1.0f);
+		float p = glm::roll(q);
+		Error += glm::epsilonEqual(p, glm::pi<float>() * 0.5f, 0.0001f) ? 0 : 1;
+	}
+
+	{
+		glm::quat q(1.0f, 0.0f, 0.0f, 1.0f);
+		float p = glm::pitch(q);
+		Error += glm::epsilonEqual(p, 0.f, 0.0001f) ? 0 : 1;
+	}
+
+	{
+		glm::quat q(1.0f, 0.0f, 0.0f, 1.0f);
+		float p = glm::yaw(q);
+		Error += glm::epsilonEqual(p, 0.f, 0.0001f) ? 0 : 1;
+	}
+
+	return Error;
+}
+
+int test_rotation()
+{
+	int Error(0);
+
+	glm::vec3 v(1, 0, 0);
+	glm::vec3 u(0, 1, 0);
+
+	glm::quat Rotation = glm::rotation(v, u);
+
+	float Angle = glm::angle(Rotation);
+
+	Error += glm::abs(Angle - glm::pi<float>() * 0.5f) < glm::epsilon<float>() ? 0 : 1;
+
+	return Error;
+}
+
+int test_log()
+{
+	int Error(0);
+	
+	glm::quat q;
+	glm::quat p = glm::log(q);
+	glm::quat r = glm::exp(p);
+
+	return Error;
+}
+
+int main()
+{
+	int Error = 0;
+
+	Error += test_log();
+	Error += test_rotation();
+	Error += test_orientation();
+	Error += test_quat_fastMix();
+	Error += test_quat_shortMix();
+
+	return Error;
+}