Hexes

test.cs

using System;
using UnityEditor;
using UnityEngine;
using UnityEngine.InputSystem;
using System.Linq;

class Test : MonoBehaviour
{
    [SerializeField, Range(0, 1)] private float[] chances = new float[6];

    [CustomEditor(typeof(Test))]
    class TestClassEditor : Editor
    {
        float radius = 68;
        public override void OnInspectorGUI()
        {
            base.OnInspectorGUI();
            var target = base.target as Test;
            float max = target.chances.Sum();

            GUILayout.Space(200);

            var colors = new Color[6]
            {
                Color.green,
                Color.red,
                Color.blue,
                Color.yellow,
                Color.cyan,
                Color.magenta
            };

            var angles = new float[6]
            {
                60,
                60,
                60,
                60,
                60,
                60
            };

            var r = EditorGUILayout.GetControlRect(GUILayout.Height(100));
            var center = r.center;

            float angle = 30f;

            for (int i = 0; i < 6; i++)
            {
                Handles.color = colors[i];

                float nextAngle = angle + (target.chances[i] / max * 360f);

                for (float a = angle; a < nextAngle; a++)
                {
                    Vector2 p1 = getPositionAtAngle(center, angle, radius),
                        p2 = getPositionAtAngle(center, nextAngle, radius);

                    Handles.DrawAAConvexPolygon(p1, p2, center);
                }

                GUI.color = Color.black;
                EditorGUIHelper.DrawLine(
                    getPositionAtAngle(center, angle, radius),
                    getPositionAtAngle(center, nextAngle, radius),
                    2f);
                EditorGUIHelper.DrawLine(
                    center, 
                    getPositionAtAngle(center, angle, radius), 1f);

                angle = nextAngle;
            }
        }


        Vector2 getPositionAtAngle(Vector2 center, float angle, float radius)
        {
            angle -= 90f;
            angle *= Mathf.Deg2Rad;
            return new Vector2(center.x + radius * Mathf.Cos(angle),
                center.y + radius * Mathf.Sin(angle));
        }

        Vector2 getPosition(Vector2 center, float a, float radius, int corner)
        {
            return getPositionAtAngle(center, a * corner, radius);
        }

        Vector2 getPosition(Vector2 center, float radius, int corner)
        {
            return getPosition(center, 60, radius, corner);
        }
    }


}


public static class EditorGUIHelper
{
    public static void DrawLine(Vector2 pointA, Vector2 pointB, float width)
    {
        Matrix4x4 matrixBackup = GUI.matrix;

        float angle = Mathf.Atan2(pointB.y - pointA.y, pointB.x - pointA.x) * 180f / Mathf.PI;
        float length = Vector2.Distance(pointA, pointB);

        GUIUtility.RotateAroundPivot(angle, pointA);
        GUI.DrawTexture(new Rect(pointA.x, pointA.y, length, width), Texture2D.whiteTexture);

        GUI.matrix = matrixBackup;
    }
}