61 lines
2.4 KiB
C#
61 lines
2.4 KiB
C#
/// ---------------------------------------------
|
|
/// Behavior Designer
|
|
/// Copyright (c) Opsive. All Rights Reserved.
|
|
/// https://www.opsive.com
|
|
/// ---------------------------------------------
|
|
|
|
namespace Opsive.BehaviorDesigner.Samples
|
|
{
|
|
using Opsive.BehaviorDesigner.Runtime.Tasks;
|
|
using Opsive.BehaviorDesigner.Runtime.Tasks.Conditionals;
|
|
using Opsive.GraphDesigner.Runtime.Variables;
|
|
using UnityEngine;
|
|
|
|
/// <summary>
|
|
/// Returns success as soon as the target object can be seen.
|
|
/// </summary>
|
|
[Shared.Utility.Category("Behavior Designer Samples")]
|
|
public class HasTakenDamage : Conditional
|
|
{
|
|
[Tooltip("The object that the agent is searching for.")]
|
|
[SerializeField] protected SharedVariable<GameObject> m_Target;
|
|
[Tooltip("The field of view angle of the agent (in degrees).")]
|
|
[SerializeField] protected SharedVariable<float> m_FieldOfView = 90;
|
|
[Tooltip("The distance that the agent can see.")]
|
|
[SerializeField] protected SharedVariable<float> m_ViewDistance = 1000;
|
|
|
|
/// <summary>
|
|
/// Returns success if an object was found otherwise failure
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public override TaskStatus OnUpdate()
|
|
{
|
|
// Return success if an object was found.
|
|
return WithinSight() ? TaskStatus.Success : TaskStatus.Failure;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines if the target object is within sight of the agent.
|
|
/// </summary>
|
|
/// <returns>True if the target is within sight.</returns>
|
|
private bool WithinSight()
|
|
{
|
|
if (m_Target.Value == null) {
|
|
return false;
|
|
}
|
|
|
|
var direction = m_Target.Value.transform.position - m_Transform.position;
|
|
direction.y = 0;
|
|
var angle = Vector3.Angle(direction, m_Transform.forward);
|
|
if (direction.magnitude < m_ViewDistance.Value && angle < m_FieldOfView.Value* 0.5f) {
|
|
RaycastHit hit;
|
|
if (Physics.Linecast(m_Transform.position, m_Target.Value.transform.position, out hit)) {
|
|
if (hit.transform.IsChildOf(m_Target.Value.transform) || m_Target.Value.transform.IsChildOf(hit.transform)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
} |