62 lines
2.3 KiB
C#
62 lines
2.3 KiB
C#
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#if GRAPH_DESIGNER
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/// ---------------------------------------------
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/// Behavior Designer
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/// Copyright (c) Opsive. All Rights Reserved.
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/// https://www.opsive.com
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/// ---------------------------------------------
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namespace Opsive.BehaviorDesigner.Runtime.Tasks.Events
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{
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using Opsive.GraphDesigner.Runtime;
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using Opsive.GraphDesigner.Runtime.Variables;
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using UnityEngine;
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/// <summary>
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/// The EventNode that is invoked when the agent causes a 2D collision.
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/// </summary>
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[AllowMultipleTypes]
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[NodeIcon("06864c37115f11445b04701c616d0e14", "8b8a2793322238240b4f25171d772003")]
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public class OnCollisionEnter2D : EventNode
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{
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[Tooltip("The tag of the GameObject that the collision should be checked against.")]
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[SerializeField] protected SharedVariable<string> m_Tag;
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[Tooltip("The collided GameObject.")]
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[SerializeField] protected SharedVariable<GameObject> m_StoredCollisionGameObject;
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/// <summary>
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/// Initializes the node to the specified graph.
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/// </summary>
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/// <param name="graph">The graph that is initializing the task.</param>
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public override void Initialize(IGraph graph)
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{
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base.Initialize(graph);
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m_BehaviorTree.OnBehaviorTreeDestroyed += Destroy;
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m_BehaviorTree.OnBehaviorTreeCollisionEnter2D += EnteredCollision2D;
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}
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/// <summary>
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/// The agent has caused a 2D collision.
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/// </summary>
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/// <param name="collision">The collision that caused the event.</param>
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private void EnteredCollision2D(Collision2D collision)
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{
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if (!string.IsNullOrEmpty(m_Tag.Value) && !collision.gameObject.CompareTag(m_Tag.Value)) {
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return;
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}
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if (m_StoredCollisionGameObject != null && m_StoredCollisionGameObject.IsShared) { m_StoredCollisionGameObject.Value = collision.gameObject; }
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m_BehaviorTree.StartBranch(this);
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}
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/// <summary>
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/// The behavior tree has been destroyed.
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/// </summary>
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private void Destroy()
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{
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m_BehaviorTree.OnBehaviorTreeDestroyed -= Destroy;
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m_BehaviorTree.OnBehaviorTreeCollisionEnter2D -= EnteredCollision2D;
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}
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}
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}
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#endif
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