Assets/Scripts/OptimizationLogic/Core/OrientedRect.cs - master - GeekNerd/ServerModelingProject

Assets/Scripts/OptimizationLogic/Core/OrientedRect.cs

74 строки2 KB

Gorney-Alex

Init

30 май 2026, 19:05

30 май 2026, 19:053cdcc49

using UnityEngine;

namespace OptimizationLogic.Core
{
    /// <summary>
    /// 2D oriented rectangle (center, size in meters, rotation in degrees around +Z).
    /// Size.x is width along local X, Size.y is height along local Y.
    /// </summary>
    public readonly struct OrientedRect
    {
        public readonly Vector2 Center;
        public readonly Vector2 Size;
        public readonly float RotationDeg;

        public OrientedRect(Vector2 center, Vector2 size, float rotationDeg)
        {
            Center = center;
            Size = size;
            RotationDeg = rotationDeg;
        }

        public Vector2 Extents => Size * 0.5f;

        public Vector2 Right
        {
            get
            {
                float rad = RotationDeg * Mathf.Deg2Rad;
                return new Vector2(Mathf.Cos(rad), Mathf.Sin(rad));
            }
        }

        public Vector2 Up
        {
            get
            {
                float rad = RotationDeg * Mathf.Deg2Rad;
                return new Vector2(-Mathf.Sin(rad), Mathf.Cos(rad));
            }
        }

        public Vector2[] GetCorners()
        {
            Vector2 ex = Right * Extents.x;
            Vector2 ey = Up * Extents.y;

            return new[]
            {
                Center - ex - ey,
                Center + ex - ey,
                Center + ex + ey,
                Center - ex + ey,
            };
        }

        public Rect GetAabb()
        {
            Vector2[] corners = GetCorners();
            float minX = corners[0].x, maxX = corners[0].x;
            float minY = corners[0].y, maxY = corners[0].y;

            for (int i = 1; i < corners.Length; i++)
            {
                Vector2 c = corners[i];
                if (c.x < minX) minX = c.x;
                if (c.x > maxX) maxX = c.x;
                if (c.y < minY) minY = c.y;
                if (c.y > maxY) maxY = c.y;
            }

            return Rect.MinMaxRect(minX, minY, maxX, maxY);
        }
    }
}