package Ġf rc . team 4 0 6 9 . sat urn . lib . mat hematic s . tw od im . trajectory Ċ Ċ import Ġedu . wpi . first . wp ilib j . trajectory . Trajectory Ċ import Ġf rc . team 4 0 6 9 . sat urn . lib . mat hematic s . units . SI Unit Ċ import Ġf rc . team 4 0 6 9 . sat urn . lib . mat hematic s . units . Second Ċ import Ġf rc . team 4 0 6 9 . sat urn . lib . mat hematic s . units . second Ċ Ċ fun ĠTra jectory . iterator () Ġ= ĠTra jectory Iterator ( this ) Ċ Ċ class ĠTra jectory Iterator ( private Ġval Ġtrajectory : ĠTra jectory ) Ġ{ ĊĠĠĠ Ġprivate Ġvar Ġtime Elapsed Ġ= Ġ 0 . second ĊĊĠĠĠ Ġfun Ġadvance ( t : ĠSI Unit < Second >) Ġ{ ĊĠĠĠĠĠĠĠ Ġtime Elapsed Ġ+= Ġt ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġval Ġcurrent State : ĠTra jectory . State ĊĠĠĠĠĠĠĠ Ġget () Ġ= Ġtrajectory . sample ( time Elapsed . value ) ĊĊĠĠĠ Ġval Ġis Done : ĠBoolean ĊĠĠĠĠĠĠĠ Ġget () Ġ= Ġtime Elapsed . value Ġ>= Ġtrajectory . total Time Seconds Ċ }