Add Wind

src/com/annimon/turrets/Constants.java

@@ -22,4 +22,5 @@ public interface Constants {
     public static final double GRAVITATION_ACCELERATION = 9.81;
     public static final int PLAYERS_BLOCK_COUNT = 24;
     public static final int MAX_ROUNDS = 5;
+    public static final double MAX_WIND_STRENGTH = 2.0; 
 }

src/com/annimon/turrets/Wind.java

@@ -0,0 +1,21 @@
+package com.annimon.turrets;
+
+import com.annimon.turrets.util.Util;
+
+/**
+ *
+ * @author aNNiMON
+ */
+public class Wind implements Constants {
+    
+    private double speed;
+
+    public double getSpeed() {
+        return speed;
+    }
+    
+    public void change() {
+        speed = Util.rand(-MAX_WIND_STRENGTH, MAX_WIND_STRENGTH);
+    }
+    
+}