Initializes a #graphene_euler_t using the given normalized quaternion.
If the #graphene_quaternion_t @q is %NULL, the #graphene_euler_t will be initialized with all angles set to 0.
a normalized #graphene_quaternion_t
the order used to apply the rotations
the initialized #graphene_euler_t
1.2
See Implementation
Initializes a #graphene_euler_t using the given normalized quaternion.
If the #graphene_quaternion_t @q is %NULL, the #graphene_euler_t will be initialized with all angles set to 0.