Common: update Quaternion to allow rotating pitch, yaw, and roll all at once

1 files changed, 7 insertions, 0 deletions

diff --git a/Source/Core/Common/Matrix.cpp b/Source/Core/Common/Matrix.cpp
index 421dda28f5..9f5ff40cb3 100644
--- a/Source/Core/Common/Matrix.cpp
+++ b/Source/Core/Common/Matrix.cpp
@@ -56,6 +56,13 @@ Quaternion Quaternion::RotateZ(float rad)
   return Rotate(rad, Vec3(0, 0, 1));
 }
 
+Quaternion Quaternion::RotateXYZ(const Vec3& rads)
+{
+  const auto length = rads.Length();
+  return length ? Common::Quaternion::Rotate(length, rads / length) :
+                  Common::Quaternion::Identity();
+}
+
 Quaternion Quaternion::Rotate(float rad, const Vec3& axis)
 {
   const auto sin_angle_2 = std::sin(rad / 2);