public static void TestRotateBy()
{
Quaternion quatStart = Quaternion.Euler(10.0f, 20.0f, 30.0f);
Quaternion quatOffset = Quaternion.Euler(30.0f, 20.0f, 10.0f);
Quaternion quatVal = quatStart;
Ref <Quaternion> quatRef = new Ref <Quaternion>(
() => quatVal,
t => quatVal = t
);
CommandQueue queue = new CommandQueue();
queue.Enqueue(
Cmd.Repeat(2,
Cmd.RotateBy(quatRef, quatOffset, 1.0)
)
);
queue.Update(0.5f);
AreEqual(quatVal, Quaternion.Slerp(quatStart, quatStart * quatOffset, 0.5f), 0.000001f);
quatVal = Quaternion.identity;
queue.Update(0.5f);
AreEqual(quatVal, Quaternion.Slerp(Quaternion.identity, quatOffset, 0.5f), 0.000001f);
queue.Update(0.5f);
AreEqual(quatVal, quatOffset, 0.001f);
queue.Update(0.5f);
AreEqual(quatVal, quatOffset * Quaternion.Slerp(Quaternion.identity, quatOffset, 0.5f), 0.000001f);
queue = new CommandQueue();
// Make sure the rotation ends in the correct position when given a complex easing function.
quatVal = Quaternion.identity;
queue.Enqueue(
Cmd.RotateBy(quatRef, quatOffset, 1f, Ease.OutElastic())
);
while (!queue.Update(1 / 30f))
{
}
AreEqual(quatVal, quatOffset, 0.001f);
}