structure. Use [graphene.vec3.Vec3.free] to free the resources allocated by this function.
Vec3.alloc
graphene.vec3.Vec3 alloc()Allocates a new #graphene_vec3_t structure.
The contents of the returned structure are undefined.
Use [graphene.vec3.Vec3.init_] to initialize the vector.
Returns
the newly allocated #graphene_vec3_t