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using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.XR;
namespace UnityEngine.XR.OpenXR.Samples.ControllerSample
{
public class TrackingModeOrigin : MonoBehaviour
{
[SerializeField]
Image m_RecenteredImage = null;
[SerializeField]
Color m_RecenteredOffColor = Color.red;
[SerializeField]
Color m_RecenteredColor = Color.green;
[SerializeField]
float m_RecenteredColorResetTime = 1.0f;
float m_LastRecenteredTime = 0.0f;
[SerializeField]
TrackingOriginModeFlags m_CurrentTrackingOriginMode;
public TrackingOriginModeFlags currentTrackingOriginMode { get { return m_CurrentTrackingOriginMode; } }
[SerializeField]
Text m_CurrentTrackingOriginModeDisplay = null;
[SerializeField]
TrackingOriginModeFlags m_DesiredTrackingOriginMode;
public TrackingOriginModeFlags desiredTrackingOriginMode { get { return m_DesiredTrackingOriginMode; } set { m_DesiredTrackingOriginMode = value; } }
[SerializeField]
TrackingOriginModeFlags m_SupportedTrackingOriginModes;
public TrackingOriginModeFlags supportedTrackingOriginModes { get { return m_SupportedTrackingOriginModes; } }
static List<XRInputSubsystem> s_InputSubsystems = new List<XRInputSubsystem>();
private void OnEnable()
{
SubsystemManager.GetSubsystems(s_InputSubsystems);
for (int i = 0; i < s_InputSubsystems.Count; i++)
{
s_InputSubsystems[i].trackingOriginUpdated += TrackingOriginUpdated;
}
#if !ENABLE_INPUT_SYSTEM
Debug.LogWarning("This sample is not expected to work without the Input System backend enabled (Project Settings > Player > Other Settings > Configuration > Active Input Handling).");
#endif
}
private void OnDisable()
{
SubsystemManager.GetSubsystems(s_InputSubsystems);
for (int i = 0; i < s_InputSubsystems.Count; i++)
{
s_InputSubsystems[i].trackingOriginUpdated -= TrackingOriginUpdated;
}
}
public void OnDesiredSelectionChanged(int newValue)
{
desiredTrackingOriginMode = (TrackingOriginModeFlags)(newValue == 0 ? 0 : (1 << (newValue - 1)));
}
private void TrackingOriginUpdated(XRInputSubsystem obj)
{
m_LastRecenteredTime = Time.time;
}
void Update()
{
XRInputSubsystem subsystem = null;
SubsystemManager.GetSubsystems(s_InputSubsystems);
if (s_InputSubsystems.Count > 0)
{
subsystem = s_InputSubsystems[0];
}
m_SupportedTrackingOriginModes = subsystem?.GetSupportedTrackingOriginModes() ?? TrackingOriginModeFlags.Unknown;
if (m_CurrentTrackingOriginMode != m_DesiredTrackingOriginMode & m_DesiredTrackingOriginMode != TrackingOriginModeFlags.Unknown)
{
subsystem?.TrySetTrackingOriginMode(m_DesiredTrackingOriginMode);
}
m_CurrentTrackingOriginMode = subsystem?.GetTrackingOriginMode() ?? TrackingOriginModeFlags.Unknown;
if (m_CurrentTrackingOriginModeDisplay != null)
m_CurrentTrackingOriginModeDisplay.text = m_CurrentTrackingOriginMode.ToString();
if (m_RecenteredImage != null)
{
float lerp = (Time.time - m_LastRecenteredTime) / m_RecenteredColorResetTime;
lerp = Mathf.Clamp(lerp, 0.0f, 1.0f);
m_RecenteredImage.color = Color.Lerp(m_RecenteredColor, m_RecenteredOffColor, lerp);
}
}
}
}
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