76 lines
2.3 KiB
C#
76 lines
2.3 KiB
C#
using System.Collections.Generic;
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namespace UnityEngine.XR.Content.Interaction
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{
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/// <summary>
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/// This class applies an abduction force in all rigidbodies inside the trigger collider.
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/// A list is used to store all rigidbodies inside the trigger; the force is applied in
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/// the FixedUpdate. The force magnitude is calculated using the pressure value of the <c>XRPushButton</c>
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/// <seealso cref="XRPushButton"/>
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/// </summary>
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public class UfoAbductionForce : MonoBehaviour
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{
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[SerializeField]
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[Tooltip("The minimum magnitude of the abduction force")]
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float m_MinForceMagnitude;
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[SerializeField]
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[Tooltip("The maximum magnitude of the abduction force")]
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float m_MaxForceMagnitude;
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[SerializeField]
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[Tooltip("All rigidbodies inside this trigger will receive the abduction force.")]
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Collider m_Trigger;
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float m_ButtonValue;
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readonly List<Rigidbody> m_Rigidbodies = new List<Rigidbody>();
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void Awake()
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{
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m_Trigger.enabled = false;
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}
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void OnEnable()
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{
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m_Trigger.enabled = true;
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}
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void OnDisable()
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{
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m_Trigger.enabled = false;
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m_Rigidbodies.Clear();
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}
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void FixedUpdate()
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{
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var deltaForce = m_MaxForceMagnitude - m_MinForceMagnitude;
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var force = transform.up * (m_MinForceMagnitude + deltaForce * m_ButtonValue);
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foreach (var rigidbody in m_Rigidbodies)
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rigidbody.AddForce(force, ForceMode.Acceleration);
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}
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void OnTriggerEnter(Collider other)
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{
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var otherRigidbody = other.GetComponent<Rigidbody>();
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if (otherRigidbody != null)
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m_Rigidbodies.Add(otherRigidbody);
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}
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void OnTriggerExit(Collider other)
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{
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var otherRigidbody = other.GetComponent<Rigidbody>();
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if (otherRigidbody != null)
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m_Rigidbodies.Remove(otherRigidbody);
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}
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/// <summary>
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/// Gets the current button value. Called by the <c>XRPushButton.OnValueChange</c> event.
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/// </summary>
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/// <param name="value">The current button value</param>
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public void OnButtonValueChange(float value)
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{
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m_ButtonValue = value;
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}
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}
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}
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