package Ġit . uni bo . al che mist . model . implement ations . actions . ste ering str ategies Ċ Ċ import Ġit . uni bo . al che mist . model . implement ations . positions . E uclidean 2 D Position Ċ import Ġit . uni bo . al che mist . model . interfaces . Environment Ċ import Ġit . uni bo . al che mist . model . interfaces . Group Ste ering Action Ċ import Ġit . uni bo . al che mist . model . interfaces . Pe de stri an 2 D Ċ import Ġit . uni bo . al che mist . model . interfaces . Ste ering Action Ċ import Ġit . uni bo . al che mist . model . interfaces . Ste ering Action With Target Ċ import Ġit . uni bo . al che mist . model . interfaces . environments . E uclidean 2 D Environment Ċ Ċ /** Ċ Ġ* Ġ[ Filtered ] Ġstrategy Ġconsidering Ġonly Ġthe Ġgroup Ġste ering Ġaction Ġand Ġthe Ġnon - group Ġste ering Ġaction Ġwhose Ġtargets Ġare Ċ Ġ* Ġnearest Ġto Ġthe Ġpe de stri an 's Ġposition . ĠThe Ġtwo Ġactions Ġare Ġcombined Ġusing Ġ[ Distance Weighted ] Ġstrategy . Ċ Ġ* Ċ Ġ* Ġ@ param Ġenvironment Ċ Ġ* ĠĠĠĠĠĠĠĠĠ Ġthe Ġenvironment Ġin Ġwhich Ġthe Ġpe de stri an Ġmoves . Ċ Ġ* Ġ@ param Ġpe de stri an Ċ Ġ* ĠĠĠĠĠĠĠĠĠ Ġthe Ġowner Ġof Ġthe Ġste ering Ġaction Ġthis Ġstrategy Ġbelongs Ġto . Ċ Ġ*/ Ċ class ĠNe arest < T >( ĊĠĠĠ Ġenvironment : ĠE uclidean 2 D Environment < T >, ĊĠĠĠ Ġpe de stri an : ĠPe de stri an 2 D < T > Ċ ) Ġ: ĠFilter ed < T , ĠE uclidean 2 D Position >( ĊĠĠĠ ĠDistance Weighted ( environment , Ġpe de stri an ), ĊĠĠĠ Ġ{ ĊĠĠĠĠĠĠĠ Ġpartition Ġ{ Ġit Ġis ĠGroup Ste ering Action < T , ĠE uclidean 2 D Position > Ġ}. let Ġ{ Ġ( group Actions , Ġother Actions ) Ġ-> ĊĠĠĠĠĠĠĠĠĠĠĠ ĠlistOf NotNull ( ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġgroup Actions . pick Nearest Or First ( environment , Ġpe de stri an ), ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ Ġother Actions . pick Nearest Or First ( environment , Ġpe de stri an ) ĊĠĠĠĠĠĠĠĠĠĠĠ Ġ) ĊĠĠĠĠĠĠĠ Ġ} ĊĠĠĠ Ġ} Ċ ) Ċ Ċ /** Ċ Ġ* ĠP icks Ġthe Ġ[ Ste ering Action With Target ] Ġwhose Ġtarget Ġis Ġnearest Ġto Ġthe Ġ[ pe de stri an ]' s Ġcurrent Ġposition , Ġor Ġthe Ġfirst Ċ Ġ* Ġaction Ġof Ġthe Ġlist Ġif Ġnone Ġof Ġthem Ġhas Ġa Ġdefined Ġtarget . ĠIf Ġthe Ġlist Ġis Ġempty , Ġnull Ġis Ġreturned . Ċ Ġ*/ Ċ fun Ġ< T > ĠList < Ste ering Action < T , ĠE uclidean 2 D Position >> . pick Nearest Or First ( ĊĠĠĠ Ġenv : ĠEnvironment < T , ĠE uclidean 2 D Position >, ĊĠĠĠ Ġpe de stri an : ĠPe de stri an 2 D < T > Ċ ): ĠSte ering Action < T , ĠE uclidean 2 D Position >? Ġ= Ġthis ĊĠĠĠ Ġ. filter Is Instance < Ste ering Action With Target < T , ĠE uclidean 2 D Position >>() ĊĠĠĠ Ġ. min By OrNull Ġ{ Ġit . target Distance To ( pe de stri an , Ġenv ) Ġ} ĊĠĠĠ Ġ?: Ġfirst OrNull () Ċ