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100 lines
2.9 KiB
100 lines
2.9 KiB
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using UnityEngine;
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/// <summary>
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/// Class used to write extension methodes in
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/// </summary>
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public static class ExtensionMethods
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{
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/// <summary>
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/// Converts provided Direction to Global Vector3
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/// </summary>
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/// <param name="direction">Direction to convert</param>
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/// <returns>Global Vector3 direction</returns>
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public static Vector3 ToVector(this Direction direction)
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{
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switch (direction)
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{
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case Direction.Forward:
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return Vector3.forward;
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case Direction.Right:
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return Vector3.right;
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case Direction.Back:
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return Vector3.back;
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case Direction.Left:
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return Vector3.left;
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default:
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return Vector3.zero;
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}
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}
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/// <summary>
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/// Converts provided Direction to local Vector3
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/// </summary>
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/// <param name="direction">Direction to convert</param>
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/// <param name="transform">Transform to use as directions local space</param>
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/// <returns>Local Vector3 direction</returns>
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public static Vector3 ToVector(this Direction direction, Transform transform)
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{
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switch (direction)
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{
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case Direction.Forward:
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return transform.forward;
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case Direction.Right:
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return transform.right;
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case Direction.Back:
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return -transform.forward;
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case Direction.Left:
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return -transform.right;
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default:
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return Vector3.zero;
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}
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}
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/// <summary>
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/// Gets the rect of a RectTransform in World coordinates
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/// </summary>
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/// <param name="rt">RectTransform to get rect from</param>
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/// <returns>rect of a RectTransform in World coordinates </returns>
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public static Rect GlobalRect(this RectTransform rt)
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{
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var r = rt.rect;
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Vector2 centre = rt.TransformPoint(r.center);
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r.size = rt.TransformVector(r.size);
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r.center = centre;
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return r;
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}
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/// <summary>
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/// Applies an action to each element in an IEnumerable
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/// </summary>
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/// <param name="enumeration">IEnumerable to loop therough</param>
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/// <param name="action">Action to apply to each element</param>
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public static void ForEach<T>(this IEnumerable<T> enumeration, System.Action<T> action)
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{
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foreach (T item in enumeration)
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action(item);
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}
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public static T maxBy<T>(this IEnumerable<T> values, Func<T, IComparable> predicate)
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{
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//Define smallest value as first
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T max = values.First();
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//compare all other values
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foreach (T item in values)
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if (predicate(item).CompareTo(predicate(max)) > 0)
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max = item;
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return max;
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}
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}
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