using Core.Health;
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using UnityEngine;
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namespace ActionGameFramework.Health
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{
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/// <summary>
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/// A simple class for identifying enemies
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/// </summary>
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public class Targetable : DamageableBehaviour
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{
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/// <summary>
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/// The transform that will be targeted
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/// </summary>
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public Transform targetTransform;
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/// <summary>
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/// The position of the object
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/// </summary>
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protected Vector3 m_CurrentPosition, m_PreviousPosition;
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/// <summary>
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/// The velocity of the rigidbody
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/// </summary>
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public virtual Vector3 velocity { get; protected set; }
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/// <summary>
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/// 用于确认具体是哪一方的Agent.
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/// </summary>
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public bool opponentAgent { set; get; }
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/// <summary>
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/// The transform that objects target, which falls back to this object's transform if not set
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/// </summary>
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public Transform targetableTransform
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{
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get
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{
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return targetTransform == null ? transform : targetTransform;
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}
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}
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/// <summary>
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/// Returns our targetable's transform position
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/// </summary>
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public override Vector3 position
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{
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get { return targetableTransform.position; }
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}
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protected int mLiveID = 0;
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/// <summary>
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/// 用于判断延迟攻击的时候，是否是同一个Agent.
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/// </summary>
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public int liveID
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{
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protected set
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{
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mLiveID = value;
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}
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get { return this.mLiveID; }
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}
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/// <summary>
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/// Initialises any DamageableBehaviour logic
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/// </summary>
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protected override void Awake()
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{
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base.Awake();
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ResetPositionData();
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}
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/// <summary>
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/// Sets up the position data so velocity can be calculated
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/// </summary>
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protected void ResetPositionData()
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{
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m_CurrentPosition = position;
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m_PreviousPosition = position;
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}
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/// <summary>
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/// Calculates the velocity and updates the position
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/// </summary>
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void FixedUpdate()
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{
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m_CurrentPosition = position;
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velocity = (m_CurrentPosition - m_PreviousPosition) / Time.fixedDeltaTime;
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m_PreviousPosition = m_CurrentPosition;
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}
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}
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}
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