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CrowdControl/Assets/Feel/MMTools/Tools/MMObjectBounds/MMObjectBounds.cs

87 lines
2.4 KiB
C#

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