85 lines
2.2 KiB
C#
85 lines
2.2 KiB
C#
using System.Collections;
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using UnityEngine;
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namespace Lean.Common
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{
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/// <summary>This class contains some useful methods used by this asset.</summary>
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public static partial class LeanCommon
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{
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public const string HelpUrlPrefix = "https://carloswilkes.com/Documentation/LeanCommon#";
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public const string PlusHelpUrlPrefix = "https://carloswilkes.com/Documentation/LeanCommonPlus#";
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public const string ComponentPathPrefix = "Lean/Common/Lean ";
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public static Vector2 Hermite(Vector2 a, Vector2 b, Vector2 c, Vector2 d, float t)
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{
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var mu2 = t * t;
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var mu3 = mu2 * t;
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var x = HermiteInterpolate(a.x, b.x, c.x, d.x, t, mu2, mu3);
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var y = HermiteInterpolate(a.y, b.y, c.y, d.y, t, mu2, mu3);
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return new Vector2(x, y);
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}
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private static float HermiteInterpolate(float y0, float y1, float y2,float y3, float mu, float mu2, float mu3)
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{
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var m0 = (y1 - y0) * 0.5f + (y2 - y1) * 0.5f;
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var m1 = (y2 - y1) * 0.5f + (y3 - y2) * 0.5f;
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var a0 = 2.0f * mu3 - 3.0f * mu2 + 1.0f;
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var a1 = mu3 - 2.0f * mu2 + mu;
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var a2 = mu3 - mu2;
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var a3 = -2.0f * mu3 + 3.0f * mu2;
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return a0 * y1 + a1 * m0 + a2 * m1 + a3 * y2;
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}
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}
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}
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#if UNITY_EDITOR
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namespace Lean.Common
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{
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using UnityEditor;
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public static partial class LeanCommon
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{
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/// <summary>This method gives you the actual object behind a SerializedProperty given to you by a property drawer.</summary>
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public static T GetObjectFromSerializedProperty<T>(object target, SerializedProperty property)
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{
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var tokens = property.propertyPath.Replace(".Array.data[", ".[").Split('.');
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for (var i = 0; i < tokens.Length; i++)
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{
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var token = tokens[i];
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var type = target.GetType();
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if (target is IList)
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{
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var list = (IList)target;
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var index = int.Parse(token.Substring(1, token.Length - 2));
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target = list[index];
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}
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else
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{
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while (type != null)
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{
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var field = type.GetField(token, System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.NonPublic);
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if (field != null)
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{
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target = field.GetValue(target);
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break;
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}
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type = type.BaseType;
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}
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}
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}
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return (T)target;
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}
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}
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}
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#endif |