minecraft - Java Bukkit: setFlySpeed() -

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I am creating my own plugin in Java bookmark ... and I found a problem that I can not solve it . ..

I am setting the player's logic ... so I have to set the second speed (fly speed), then it must be converted from string to two. Now I am re-covering to float again ...: << p>

For one reason ... it's not right that the float turns into double. 

  Player PlayerOutsTherePhillips = Buckettte.Get Player (Args [0]); String speed = args [1]; Double Speed ​​Double = DoublePrSD Double (Speed); Float speed float = (float) speeddouble; PlayerToSetFlySpeed.setFlySpeed ​​(SpeedFloat); Error in Minecraft Sayes: An error occurred while attampting to perform this command   and command looks like this: / setpeed (player) ( Amount_of_speed)  Im writing the amount of speed in the form of the string and it is double (it) and then converted into float.  
 I am working on  
 Please help me .. This is very important for my plugin ...: << / p>  
 
 
  
  
 A client sets the flying speed, the negative value indicates the opposite directions. Are there.  
 Parameter:  
     
  •   Price  New Speed ​​-1 to -1   
     throws:  
       
    •  If the new speed is less than 1 or greater than 1    
       as seen from the log:  
        caused by: java.lang.IllegalArgumentException: 10.0 is very much on org.bukkit.craftbukkit.v1_7_R1.entity.CraftPlayer.validateSpeed ​​( Kraftplayrkjawa:ll58) ~ [Kraftbukkitkjar song -bukkit-1.7.2-R0k3-2-G85f5776-B3024jnks] Orgkbukkitkkraftbukkitkvl_7_rl.antitikkraftplayrksetflipeed (Kraftplayrkjawa: 1129) ~ on [craftbukkit.jar: Git-Bukkit-1.7. 2-R0.3-2-g85f5776-b3024jnks] on me.jimisdam.BukkitPlugins.Helper.Helper.onCommand (Helper.java:171) ~ [?] Org.bukkit.command.PluginCommand.execute (on PluginCommand. Java: 44) ~ [craftbukkit.jar: Git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks] ... 13 more  
       
       If you've been wronged use logic: 10 . 
       
       You must ensure that logic  setFlySpeed ​​() : 
       
        {// ... is valid before calling = SpeedDouble (Float); If (speed> gt; 1 || speed & lt; -1) {commandSender.sendMessage ("you have specified an argument outside the range!"); Return; } PlayerToSetFlySpeed.setFlySpeed ​​(speed); }

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