77 lines
2.1 KiB
C#
77 lines
2.1 KiB
C#
// Copyright 2016 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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namespace GoogleVR.VideoDemo {
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using UnityEngine;
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using UnityEngine.Events;
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/// <summary>
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/// Throws a Unity event when the internal state is changed. This
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/// component can be used by other components the fire Unity Events in
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/// order to do some lightweight state tracking.
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/// </summary>
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public class ToggleAction : MonoBehaviour {
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private float lastUsage;
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private bool on;
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[Tooltip("Event to raise when this is toggled on.")]
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public UnityEvent OnToggleOn;
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[Tooltip("Event to raise when this is toggled off.")]
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public UnityEvent OnToggleOff;
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[Tooltip("Should this initial state be on or off?")]
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public bool InitialState;
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[Tooltip("Should an event be raised for the initial state on Start?")]
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public bool RaiseEventForInitialState;
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[Tooltip("Time required between toggle operations. Operations Toggles within this window " +
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"will be ignored.")]
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public float Cooldown;
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void Start() {
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on = InitialState;
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if (RaiseEventForInitialState) {
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RaiseToggleEvent(on);
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}
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}
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public void Toggle() {
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if (Time.time - lastUsage < Cooldown) {
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return;
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}
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lastUsage = Time.time;
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on = !on;
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RaiseToggleEvent(on);
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}
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public void Set(bool on) {
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if (this.on == on) {
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return;
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}
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this.on = on;
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RaiseToggleEvent(on);
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}
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private void RaiseToggleEvent(bool on) {
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if (on) {
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OnToggleOn.Invoke();
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} else {
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OnToggleOff.Invoke();
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}
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}
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}
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}
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