61 lines
2.4 KiB
C#
61 lines
2.4 KiB
C#
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// Copyright (c) 2015 - 2023 Doozy Entertainment. All Rights Reserved.
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// This code can only be used under the standard Unity Asset Store End User License Agreement
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// A Copy of the EULA APPENDIX 1 is available at http://unity3d.com/company/legal/as_terms
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using System;
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using UnityEngine;
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namespace Doozy.Runtime.Common.Extensions
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{
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/// <summary> Extension methods for the Vector2 struct </summary>
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public static class Vector2Extensions
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{
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/// <summary> Round x and y to the given number of decimals </summary>
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/// <param name="target"> Target Vector2 </param>
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/// <param name="decimals"> Number of decimals </param>
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public static Vector2 Round(this Vector2 target, int decimals = 1) =>
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new Vector2
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(
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(float)Math.Round(target.x, decimals),
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(float)Math.Round(target.y, decimals)
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);
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/// <summary> Clamp x and y between the given min and max </summary>
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/// <param name="target"> Target Vector2 </param>
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/// <param name="min"> Min Vector2 </param>
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/// <param name="max"> Max Vector2 </param>
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public static Vector2 Clamp(this Vector2 target, Vector2 min, Vector2 max)
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{
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target.x = Mathf.Clamp(target.x, min.x, max.x);
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target.y = Mathf.Clamp(target.y, min.y, max.y);
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return target;
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}
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/// <summary> Clamp x and y between 0 and 1 </summary>
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/// <param name="target"> Target Vector2 </param>
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public static Vector2 Clamp01(this Vector2 target)
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{
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target.x = Mathf.Clamp01(target.x);
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target.y = Mathf.Clamp01(target.y);
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return target;
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}
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/// <summary> Compares two Vector2 values and returns true if they are similar </summary>
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public static bool Approximately(this Vector2 target, Vector2 other) =>
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Mathf.Approximately(target.x, other.x)
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&& Mathf.Approximately(target.y, other.y);
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public static float InverseLerp(Vector2 a, Vector2 b, Vector2 value)
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{
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Vector2 ab = b - a;
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Vector2 av = value - a;
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float dot = Vector3.Dot(av, ab);
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float f = Vector3.Dot(ab, ab);
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if (f == 0) return 0f;
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return dot / f;
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// Debug.Log($"a: {a} / b: {b} / value: {value} / ab: {ab} / av: {av} / dot: {dot} / f: {f}");
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}
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}
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}
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