SteamVR

2016-05-18 20:02:15 +02:00
parent 62c8cf021f
commit 1e9b3a1498
225 changed files with 111146 additions and 0 deletions
@@ -0,0 +1,81 @@
+//========= Copyright 2014, Valve Corporation, All rights reserved. ===========
+//
+// Purpose: Base class for fading things based on SteamVR events
+//
+//=============================================================================
+
+using UnityEngine;
+
+public abstract class SteamVR_Status : MonoBehaviour
+{
+	public string message; // name of event to respond to
+	public float duration, fade;
+
+	protected float timer;
+	protected bool status;
+
+	public enum Mode
+	{
+		OnTrue,
+		OnFalse,
+		WhileTrue,
+		WhileFalse
+	}
+
+	public Mode mode;
+
+	protected abstract void SetAlpha(float a);
+
+	void OnEnable()
+	{
+		SteamVR_Utils.Event.Listen(message, OnEvent);
+	}
+
+	void OnDisable()
+	{
+		SteamVR_Utils.Event.Remove(message, OnEvent);
+	}
+
+	void OnEvent(params object[] args)
+	{
+		status = (bool)args[0];
+		if (status)
+		{
+			if (mode == Mode.OnTrue)
+				timer = duration;
+		}
+		else
+		{
+			if (mode == Mode.OnFalse)
+				timer = duration;
+		}
+	}
+
+	void Update()
+	{
+		if (mode == Mode.OnTrue || mode == Mode.OnFalse)
+		{
+			timer -= Time.deltaTime;
+			if (timer < 0.0f)
+			{
+				SetAlpha(0.0f);
+			}
+			else
+			{
+				var a = 1.0f;
+				if (timer < fade)
+					a = timer / fade;
+				if (timer > duration - fade)
+					a = Mathf.InverseLerp(duration, duration - fade, timer);
+				SetAlpha(a);
+			}
+		}
+		else
+		{
+			var show = (mode == Mode.WhileTrue && status == true) || (mode == Mode.WhileFalse && status == false);
+			timer = show ? Mathf.Min(fade, timer + Time.deltaTime) : Mathf.Max(0.0f, timer - Time.deltaTime);
+			SetAlpha(timer / fade);
+		}
+	}
+}
+