86 lines
2.2 KiB
C#
86 lines
2.2 KiB
C#
using UnityEngine.Events;
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namespace UnityEngine.XR.Content.Interaction
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{
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/// <summary>
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/// Calls events for when the velocity of this objects breaks the begin and end threshold.
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/// </summary>
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[RequireComponent(typeof(Rigidbody))]
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public class OnVelocity : MonoBehaviour
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{
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[SerializeField]
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[Tooltip("The speed that will trigger the begin event.")]
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float m_BeginThreshold = 1.25f;
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[SerializeField]
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[Tooltip("The speed that will trigger the end event.")]
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float m_EndThreshold = 0.25f;
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[SerializeField]
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[Tooltip("Event that triggers when speed meets the begin threshold.")]
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UnityEvent m_OnBegin = new UnityEvent();
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[SerializeField]
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[Tooltip("Event that triggers when the speed dips below the end threshold.")]
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UnityEvent m_OnEnd = new UnityEvent();
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/// <summary>
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/// Event that triggers when speed meets the begin threshold.
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/// </summary>
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public UnityEvent onBegin => m_OnBegin;
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/// <summary>
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/// Event that triggers when the speed dips below the end threshold.
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/// </summary>
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public UnityEvent onEnd => m_OnEnd;
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Rigidbody m_RigidBody;
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bool m_HasBegun;
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void Awake()
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{
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m_RigidBody = GetComponent<Rigidbody>();
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}
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void Update()
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{
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CheckVelocity();
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}
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void CheckVelocity()
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{
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var speed = m_RigidBody.velocity.magnitude;
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m_HasBegun = HasVelocityBegun(speed);
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if (HasVelocityEnded(speed))
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m_HasBegun = false;
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}
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bool HasVelocityBegun(float speed)
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{
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if (m_HasBegun)
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return true;
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var beginCheck = speed > m_BeginThreshold;
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if (beginCheck)
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m_OnBegin.Invoke();
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return beginCheck;
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}
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bool HasVelocityEnded(float speed)
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{
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if (!m_HasBegun)
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return false;
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var endCheck = speed < m_EndThreshold;
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if (endCheck)
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m_OnEnd.Invoke();
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return endCheck;
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}
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}
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}
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