added to math helper

src/dark/core/prefab/helpers/MathHelper.java

@@ -7,7 +7,7 @@ import universalelectricity.core.vector.Vector3;
 public class MathHelper extends net.minecraft.util.MathHelper
 {
     /** Generates an array of random numbers
-     * 
+     *
      * @param random - random instance to be used
      * @param maxNumber - max size of the int to use
      * @param arraySize - length of the array
@@ -18,7 +18,7 @@ public class MathHelper extends net.minecraft.util.MathHelper
     }
 
     /** Generates an array of random numbers
-     * 
+     *
      * @param random - random instance to be used
      * @param minNumber - smallest random Integer to use. Warning can lead to longer than normal
      * delay in returns
@@ -54,7 +54,7 @@ public class MathHelper extends net.minecraft.util.MathHelper
     }
 
     /** Turns radius and sphere cords into a vector3
-     * 
+     *
      * @param radius - sphere radius
      * @param inclination -
      * @param azimuth
@@ -67,4 +67,45 @@ public class MathHelper extends net.minecraft.util.MathHelper
 
         return new Vector3(x, y, z);
     }
+
+    /** Clamps the angles to a min max by adding or subtracting the min max. This way it maintanes
+     * the change in angle in the chance it goes out of bounds */
+    public static float clampAngle(float var, float min, float max)
+    {
+        while (var < min)
+        {
+            var += min;
+        }
+        while (var > max)
+        {
+            var -= max;
+        }
+        return var;
+    }
+
+    /** Clamps an angle to 360 degree circle */
+    public static float clampAngleTo360(float var)
+    {
+        return MathHelper.clampAngle(var, 0, 360);
+    }
+
+    /** Find the shortest delta change to the angle goal from the current angle */
+    public static float shortestAngleTo360(float angle, float angleGoal)
+    {
+        angle = clampAngleTo360(angle);
+        angleGoal = clampAngleTo360(angleGoal);
+
+        if (angle == angleGoal)
+        {
+            return 0;
+        }
+        else if (angle > angleGoal)
+        {
+            return angleGoal - angle;
+        }
+        else
+        {
+            return angle - angleGoal;
+        }
+    }
 }