Le Duc Anh
85 lines
3.0 KiB
C#
85 lines
3.0 KiB
C#
using System;
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using UnityEngine;
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namespace BrewMonster.Scripts.Extensions
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{
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public static class RectExtension
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{
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public static bool IsEmpty(this Rect rect)
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{
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return rect.width == 0 && rect.height == 0;
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}
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public static Rect Intersect(this Rect rc1, Rect rc2)
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{
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if ((rc1.width == 0 && rc1.height == 0) || (rc2.width == 0 && rc2.height == 0))
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return Rect.zero;
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if (rc1.xMin >= rc2.xMax || rc2.xMin >= rc1.xMax ||
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rc1.xMin >= rc2.yMax || rc2.yMin >= rc1.yMax)
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return Rect.zero;
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return new Rect(Mathf.Max(rc1.x, rc2.x), Mathf.Max(rc1.y, rc2.y), Mathf.Min(rc1.width, rc2.width), Mathf.Min(rc1.height, rc2.height));
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}
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public static Rect Offset(this Rect rect, float x, float y)
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{
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rect.xMin += x;
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rect.yMin += y;
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rect.xMax += x;
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rect.yMax += y;
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return rect;
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}
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}
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public static class RectIntExtension
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{
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public static bool IsEmpty(this RectInt rect)
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{
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return rect.width == 0 && rect.height == 0;
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}
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public static RectInt Intersect(this RectInt rc1, RectInt rc2)
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{
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// if ((rc1.width == 0 && rc1.height == 0) || (rc2.width == 0 && rc2.height == 0))
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// return RectInt.zero;
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// if (rc1.xMin >= rc2.xMax || rc2.xMin >= rc1.xMax ||
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// rc1.xMin >= rc2.yMax || rc2.yMin >= rc1.yMax)
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// return RectInt.zero;
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// return new RectInt(Mathf.Max(rc1.x, rc2.x), Mathf.Max(rc1.y, rc2.y), Mathf.Min(rc1.width, rc2.width), Mathf.Min(rc1.height, rc2.height));
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if (rc1.xMin >= rc2.xMax || rc2.xMin >= rc1.xMax ||
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rc1.yMin >= rc2.yMax || rc2.yMin >= rc1.yMax)
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return RectInt.zero;
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var result = new RectInt();
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result.xMin = Math.Max(rc1.xMin, rc2.xMax);
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result.yMin = Math.Max(rc1.yMin, rc2.yMax);
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result.xMax = Math.Min(rc1.xMax, rc2.xMax);
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result.yMax = Math.Min(rc1.yMax, rc2.yMax);
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result.width = result.xMax - result.xMin;
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result.height = result.yMax - result.yMin;
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return result;
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}
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public static Vector2Int Center(this RectInt rect)
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{
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// return new Vector2Int(Mathf.FloorToInt((float)rect.x + (float)rect.width / 2f), Mathf.FloorToInt((float)rect.y + (float)rect.height / 2f));
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return new Vector2Int(rect.x + rect.width / 2, rect.y + rect.height / 2);
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}
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public static RectInt Offset(this RectInt rect, int x, int y)
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{
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rect.xMin += x;
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rect.yMax += y;
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rect.xMax += x;
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rect.yMin += y;
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rect.width = rect.xMax - rect.xMin;
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rect.height = rect.yMax - rect.yMin;
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return rect;
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}
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}
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} |