InterpolatableArray is no longer necessary!

src/animate.jl

@@ -1,16 +1,3 @@
-"""
-Interpolations.jl requires that one(::Type{T}) be defined for any data
-type we want to interpolate. Rather than defining one(::Type{Vector}) here,
-which might have unforeseen consequences in other packages, we'll create
-a very simple wrapper type that just knows one() and *
-"""
-struct InterpolatableArray{A <: AbstractArray}
-    data::A
-end
-
-Base.one(::Type{InterpolatableArray{A}}) where {A} = 1
-Base.:*(n::Number, a::InterpolatableArray) = n * a.data
-
 """
     animate(vis::MechanismVisualizer,
             times::Vector{Float64},
@@ -28,8 +15,7 @@ function animate(vis::MechanismVisualizer,
     @assert 0 < realtimerate < Inf
 
     state = vis.state
-    interp_values = [InterpolatableArray(c) for c in configurations]
-    interpolated_configurations = interpolate((times,), interp_values, Gridded(Linear()))
+    interpolated_configurations = interpolate((times,), configurations, Gridded(Linear()))
     t0, tf = first(times), last(times)
     framenum = 0
     walltime0 = time()
@@ -45,5 +31,5 @@ function animate(vis::MechanismVisualizer,
 end
 
 animate(mechanism::Mechanism, times::Vector{Float64},
-        configurations::Vector{Vector{Float64}}) =
-    animate(Visualizer(mechanism), mechanism, times, configurations)
+        configurations::Vector{Vector{Float64}}; kw...) =
+    animate(MechanismVisualizer(mechanism), times, configurations; kw...)