IndieGame/client/Assets/ParadoxNotion/NodeCanvas/Tasks/Conditions/GameObject/CanSeeTarget.cs
DOBEST\zhaoyingjie f242607587 初始化工程
2024-10-11 10:12:15 +08:00

77 lines
2.8 KiB
C#

using NodeCanvas.Framework;
using ParadoxNotion.Design;
using UnityEngine;
namespace NodeCanvas.Tasks.Conditions
{
[Category("GameObject")]
[Description("A combination of line of sight and view angle check")]
public class CanSeeTarget : ConditionTask<Transform>
{
[RequiredField]
public BBParameter<GameObject> target;
[Tooltip("Distance within which to look out for.")]
public BBParameter<float> maxDistance = 50;
[Tooltip("A layer mask to use for line of sight check.")]
public BBParameter<LayerMask> layerMask = (LayerMask)( -1 );
[Tooltip("Distance within which the target can be seen (or rather sensed) regardless of view angle.")]
public BBParameter<float> awarnessDistance = 0f;
[SliderField(1, 180)]
public BBParameter<float> viewAngle = 70f;
public Vector3 offset;
private RaycastHit hit;
protected override string info {
get { return "Can See " + target; }
}
protected override bool OnCheck() {
var t = target.value.transform;
if ( !t.gameObject.activeInHierarchy ) {
return false;
}
if ( Vector3.Distance(agent.position, t.position) <= awarnessDistance.value ) {
if ( Physics.Linecast(agent.position + offset, t.position + offset, out hit, layerMask.value) ) {
if ( hit.collider != t.GetComponent<Collider>() ) {
return false;
}
}
return true;
}
if ( Vector3.Distance(agent.position, t.position) > maxDistance.value ) {
return false;
}
if ( Vector3.Angle(t.position - agent.position, agent.forward) > viewAngle.value ) {
return false;
}
if ( Physics.Linecast(agent.position + offset, t.position + offset, out hit, layerMask.value) ) {
if ( hit.collider != t.GetComponent<Collider>() ) {
return false;
}
}
return true;
}
public override void OnDrawGizmosSelected() {
if ( agent != null ) {
Gizmos.DrawLine(agent.position, agent.position + offset);
Gizmos.DrawLine(agent.position + offset, agent.position + offset + ( agent.forward * maxDistance.value ));
Gizmos.DrawWireSphere(agent.position + offset + ( agent.forward * maxDistance.value ), 0.1f);
Gizmos.DrawWireSphere(agent.position, awarnessDistance.value);
Gizmos.matrix = Matrix4x4.TRS(agent.position + offset, agent.rotation, Vector3.one);
Gizmos.DrawFrustum(Vector3.zero, viewAngle.value, 5, 0, 1f);
}
}
}
}