121 lines
3.9 KiB
C#
121 lines
3.9 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using UnityEngine;
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using Object = UnityEngine.Object;
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namespace MyFrameworkPure
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{
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/// <summary>
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/// 游戏物体扩展类
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/// </summary>
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public static class GameObjectExtension
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{
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/// <summary>
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/// 判断鼠标是否在游戏物体上
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/// </summary>
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/// <param name="go"></param>
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/// <param name="camera"></param>
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/// <returns></returns>
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public static bool IsOnMouse(this GameObject go, Camera camera)
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{
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if (!camera)
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{
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Debug.LogError("没有合适的相机！");
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return false;
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}
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Ray ray = camera.ScreenPointToRay(Input.mousePosition);
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if (Physics.Raycast(ray, out var hitInfo))
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{
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if (hitInfo.transform.gameObject.Equals(go) || hitInfo.transform.IsChildOf(go.transform))
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return true;
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}
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return false;
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}
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/// <summary>
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/// 判断是否点击到物体
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/// </summary>
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/// <param name="go"></param>
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/// <param name="camera"></param>
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/// <returns></returns>
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public static bool IsOnMouseDown(this GameObject go, Camera camera)
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{
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return Input.GetMouseButton(0) && go.IsOnMouse(camera);
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}
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/// <summary>
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/// 获取物体的碰撞边界
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/// </summary>
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/// <param name="go"></param>
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/// <returns></returns>
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public static Bounds GetBounds(this GameObject go)
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{
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Bounds bounds = new Bounds(Vector3.zero, Vector3.zero);
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MeshRenderer[] renderers = go.GetComponentsInChildren<MeshRenderer>();
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renderers.ForEach((x) =>
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{
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if (bounds.size == Vector3.zero)
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{
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bounds = x.bounds;
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}
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bounds.Encapsulate(x.bounds);
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});
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return bounds;
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}
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/// <summary>
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/// 获取或添加组件
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="go"></param>
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/// <returns></returns>
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public static T GetOrAddCompoent<T>(this GameObject go) where T : Component
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{
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T t = go.GetComponent<T>();
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if (!t)
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t = go.AddComponent<T>();
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return t;
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}
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public static T[] GetComnponentsInChildrenWithoutSelf<T>(this GameObject go) where T : Component
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{
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T[] components = go.GetComponentsInChildren<T>();
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return components.Except(go.GetComponents<T>()).ToArray();
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}
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public static T GetBaseComponentInParent<T>(this GameObject go) where T:Component
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{
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T[] components = go.GetComponentsInParent<T>();
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return components.FirstOrDefault(x => x.GetType() == typeof(T));
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}
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/// <summary>
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/// 获取子物体的所有材质（包括自身）
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/// </summary>
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/// <param name="go"></param>
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/// <param name="predicate"></param>
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/// <param name="includeInactive"></param>
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/// <returns></returns>
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public static Material[] GetMaterialsInChildren(this GameObject go, bool includeInactive = false, Predicate<Material> predicate = null)
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{
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List<Material> matlist = new List<Material>();
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MeshRenderer[] renderers = go.GetComponentsInChildren<MeshRenderer>(includeInactive);
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renderers.ForEach(x =>
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{
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Material[] mats = Application.isPlaying ? x.materials : x.sharedMaterials;
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mats.ForEach(m =>
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{
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if (predicate != null && predicate(m))
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{
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matlist.Add(m);
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}
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});
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});
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return matlist.ToArray();
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}
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}
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}
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