88 lines
2.5 KiB
C#
88 lines
2.5 KiB
C#
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using UnityEngine;
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using UnityEngine.UI;
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using System.Collections;
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using System;
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namespace MoreMountains.Tools
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{
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[AddComponentMenu("More Mountains/Tools/Object Bounds/MMObjectBounds")]
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public class MMObjectBounds : MonoBehaviour
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{
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public enum WaysToDetermineBounds { Collider, Collider2D, Renderer, Undefined }
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[Header("Bounds")]
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public WaysToDetermineBounds BoundsBasedOn;
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public Vector3 Size { get; set; }
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/// <summary>
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/// When this component is added we define its bounds.
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/// </summary>
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protected virtual void Reset()
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{
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DefineBoundsChoice();
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}
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/// <summary>
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/// Tries to determine automatically what the bounds should be based on.
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/// In this order, it'll keep the last found of these : Collider2D, Collider or Renderer.
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/// If none of these is found, it'll be set as Undefined.
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/// </summary>
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protected virtual void DefineBoundsChoice()
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{
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BoundsBasedOn = WaysToDetermineBounds.Undefined;
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if (GetComponent<Renderer>()!=null)
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{
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BoundsBasedOn = WaysToDetermineBounds.Renderer;
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}
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if (GetComponent<Collider>()!=null)
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{
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BoundsBasedOn = WaysToDetermineBounds.Collider;
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}
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if (GetComponent<Collider2D>()!=null)
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{
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BoundsBasedOn = WaysToDetermineBounds.Collider2D;
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}
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}
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/// <summary>
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/// Returns the bounds of the object, based on what has been defined
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/// </summary>
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public virtual Bounds GetBounds()
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{
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if (BoundsBasedOn==WaysToDetermineBounds.Renderer)
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{
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if (GetComponent<Renderer>()==null)
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{
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throw new Exception("The PoolableObject "+gameObject.name+" is set as having Renderer based bounds but no Renderer component can be found.");
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}
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return GetComponent<Renderer>().bounds;
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}
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if (BoundsBasedOn==WaysToDetermineBounds.Collider)
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{
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if (GetComponent<Collider>()==null)
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{
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throw new Exception("The PoolableObject "+gameObject.name+" is set as having Collider based bounds but no Collider component can be found.");
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}
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return GetComponent<Collider>().bounds;
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}
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if (BoundsBasedOn==WaysToDetermineBounds.Collider2D)
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{
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if (GetComponent<Collider2D>()==null)
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{
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throw new Exception("The PoolableObject "+gameObject.name+" is set as having Collider2D based bounds but no Collider2D component can be found.");
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}
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return GetComponent<Collider2D>().bounds;
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}
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return new Bounds(Vector3.zero,Vector3.zero);
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}
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}
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}
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