62 lines
2.9 KiB
C#
62 lines
2.9 KiB
C#
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using UnityEngine;
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namespace BehaviorDesigner.Runtime.Tasks.Movement
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{
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[TaskDescription("Move towards the specified position. The position can either be specified by a transform or position. If the transform " +
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"is used then the position will not be used.")]
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[TaskCategory("Movement")]
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[HelpURL("https://www.opsive.com/support/documentation/behavior-designer-movement-pack/")]
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[TaskIcon("c8e612848487a184f9090d416c932c47", "812dc79fe1e417548959f61845528372")]
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public class MoveTowards : Action
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{
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[Tooltip("The speed of the agent")]
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[UnityEngine.Serialization.FormerlySerializedAs("speed")]
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public SharedFloat m_Speed;
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[Tooltip("The agent has arrived when the magnitude is less than this value")]
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[UnityEngine.Serialization.FormerlySerializedAs("arriveDistance")]
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public SharedFloat m_ArriveDistance = 0.1f;
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[Tooltip("Should the agent be looking at the target position?")]
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[UnityEngine.Serialization.FormerlySerializedAs("lookAtTarget")]
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public SharedBool m_LookAtTarget = true;
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[Tooltip("Max rotation delta if lookAtTarget is enabled")]
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[UnityEngine.Serialization.FormerlySerializedAs("maxLookAtRotationDelta")]
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public SharedFloat m_MaxLookAtRotationDelta;
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[Tooltip("The GameObject that the agent is moving towards")]
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[UnityEngine.Serialization.FormerlySerializedAs("target")]
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public SharedGameObject m_Target;
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[Tooltip("If target is null then use the target position")]
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[UnityEngine.Serialization.FormerlySerializedAs("targetPosition")]
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public SharedVector3 m_TargetPosition;
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public override TaskStatus OnUpdate()
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{
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var position = Target();
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// Return a task status of success once we've reached the target
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if (Vector3.Magnitude(transform.position - position) < m_ArriveDistance.Value) {
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return TaskStatus.Success;
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}
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// We haven't reached the target yet so keep moving towards it
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transform.position = Vector3.MoveTowards(transform.position, position, m_Speed.Value * Time.deltaTime);
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if (m_LookAtTarget.Value && (position - transform.position).sqrMagnitude > 0.01f) {
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transform.rotation = Quaternion.RotateTowards(transform.rotation, Quaternion.LookRotation(position - transform.position), m_MaxLookAtRotationDelta.Value);
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}
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return TaskStatus.Running;
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}
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// Return targetPosition if targetTransform is null
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private Vector3 Target()
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{
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if (m_Target == null || m_Target.Value == null) {
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return m_TargetPosition.Value;
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}
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return m_Target.Value.transform.position;
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}
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// Reset the public variables
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public override void OnReset()
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{
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m_ArriveDistance = 0.1f;
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m_LookAtTarget = true;
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}
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}
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}
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