Prevented players from reversing back into their own trails

beamclsh.p8

@@ -148,13 +148,13 @@ function init_player()
 
 	function ply:input()
 		id=self.id-1
-		if btn(⬅️,id) then
+		if btn(⬅️,id) and self.xspd!=1 then
 			self:redirect(-1,0)
-		elseif btn(➡️,id) then
+		elseif btn(➡️,id) and self.xspd!=-1then
 			self:redirect(1,0)
-		elseif btn(⬆️,id) then
+		elseif btn(⬆️,id) and self.yspd!=1 then
 			self:redirect(0,-1)
-		elseif btn(⬇️,id) then
+		elseif btn(⬇️,id) and self.yspd!=-1 then
 			self:redirect(0,1)
 		end
 	end
@@ -459,8 +459,6 @@ cd111111111111111111111111111111111111111111111111111111111111111111111111111111
 cddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddc
 cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
 
-__map__
-0000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 __sfx__
 1a060000216502b65030650326502c6502665034600156301f6302463026630206301a630006000962013620186201a620146200e620306000961013610186101a610146100e610306002f6002f6002e6002d600
 001000000d6000d6000d6000d6000d6000d6000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000