// Decompiled with JetBrains decompiler
// Type: Eden.AutoMorpher.TriangleUtil
// Assembly: EdenAutoMorpherScript, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null
// MVID: D39968B3-E151-4276-BDB4-E82752BBAFF0
// Assembly location: D:\dev\AutoMorpher\Assets\@Eden_Tools\Eden_AutoMorpher\Script\EdenAutoMorpherScript.dll

using UnityEngine;

namespace Eden.AutoMorpher
{
    public class TriangleUtil
    {
        public Vector3 ClosestPointOnTriangle(Vector3 p, Vector3 a, Vector3 b, Vector3 c)
        {
            Vector3 vector3_1 = Vector3.op_Subtraction(b, a);
            Vector3 vector3_2 = Vector3.op_Subtraction(c, a);
            Vector3 vector3_3 = Vector3.op_Subtraction(p, a);
            float num1 = Vector3.Dot(vector3_1, vector3_3);
            float num2 = Vector3.Dot(vector3_2, vector3_3);
            if ((double)num1 <= 0.0 && (double)num2 <= 0.0)
                return a;
            Vector3 vector3_4 = Vector3.op_Subtraction(p, b);
            float num3 = Vector3.Dot(vector3_1, vector3_4);
            float num4 = Vector3.Dot(vector3_2, vector3_4);
            if ((double)num3 >= 0.0 && (double)num4 <= (double)num3)
                return b;
            float num5 = (float)((double)num1 * (double)num4 - (double)num3 * (double)num2);
            if ((double)num5 <= 0.0 && (double)num1 >= 0.0 && (double)num3 <= 0.0)
            {
                float num6 = num1 / (num1 - num3);
                return Vector3.op_Addition(a, Vector3.op_Multiply(num6, vector3_1));
            }
            Vector3 vector3_5 = Vector3.op_Subtraction(p, c);
            float num7 = Vector3.Dot(vector3_1, vector3_5);
            float num8 = Vector3.Dot(vector3_2, vector3_5);
            if ((double)num8 >= 0.0 && (double)num7 <= (double)num8)
                return c;
            float num9 = (float)((double)num7 * (double)num2 - (double)num1 * (double)num8);
            if ((double)num9 <= 0.0 && (double)num2 >= 0.0 && (double)num8 <= 0.0)
            {
                float num10 = num2 / (num2 - num8);
                return Vector3.op_Addition(a, Vector3.op_Multiply(num10, vector3_2));
            }
            float num11 = (float)((double)num3 * (double)num8 - (double)num7 * (double)num4);
            if ((double)num11 <= 0.0 && (double)num4 - (double)num3 >= 0.0 && (double)num7 - (double)num8 >= 0.0)
            {
                float num12 = (float)(((double)num4 - (double)num3) / ((double)num4 - (double)num3 + ((double)num7 - (double)num8)));
                return Vector3.op_Addition(b, Vector3.op_Multiply(num12, Vector3.op_Subtraction(c, b)));
            }
            float num13 = (float)(1.0 / ((double)num11 + (double)num9 + (double)num5));
            float num14 = num9 * num13;
            float num15 = num5 * num13;
            return Vector3.op_Addition(Vector3.op_Addition(a, Vector3.op_Multiply(vector3_1, num14)), Vector3.op_Multiply(vector3_2, num15));
        }
    }
}