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149 lines
4.5 KiB
149 lines
4.5 KiB
/************************************************************************************
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Copyright (c) Facebook Technologies, LLC and its affiliates. All rights reserved.
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See SampleFramework license.txt for license terms. Unless required by applicable law
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or agreed to in writing, the sample code is provided “AS IS” WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied. See the license for specific
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language governing permissions and limitations under the license.
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************************************************************************************/
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using System.Collections;
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using UnityEngine;
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using UnityEngine.Assertions;
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namespace OculusSampleFramework
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{
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public class TrainCrossingController : MonoBehaviour
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{
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[SerializeField] private AudioSource _audioSource = null;
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[SerializeField] private AudioClip[] _crossingSounds = null;
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[SerializeField] private MeshRenderer _lightSide1Renderer = null;
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[SerializeField] private MeshRenderer _lightSide2Renderer = null;
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[SerializeField] private SelectionCylinder _selectionCylinder = null;
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private Material _lightsSide1Mat;
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private Material _lightsSide2Mat;
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private int _colorId = Shader.PropertyToID("_Color");
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private Coroutine _xingAnimationCr = null;
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private InteractableTool _toolInteractingWithMe = null;
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private void Awake()
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{
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Assert.IsNotNull(_audioSource);
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Assert.IsNotNull(_crossingSounds);
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Assert.IsNotNull(_lightSide1Renderer);
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Assert.IsNotNull(_lightSide2Renderer);
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Assert.IsNotNull(_selectionCylinder);
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_lightsSide1Mat = _lightSide1Renderer.material;
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_lightsSide2Mat = _lightSide2Renderer.material;
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}
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private void OnDestroy()
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{
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if (_lightsSide1Mat != null)
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{
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Destroy(_lightsSide1Mat);
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}
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if (_lightsSide2Mat != null)
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{
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Destroy(_lightsSide2Mat);
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}
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}
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public void CrossingButtonStateChanged(InteractableStateArgs obj)
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{
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bool inActionState = obj.NewInteractableState == InteractableState.ActionState;
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if (inActionState)
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{
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ActivateTrainCrossing();
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}
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_toolInteractingWithMe = obj.NewInteractableState > InteractableState.Default ?
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obj.Tool : null;
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}
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private void Update()
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{
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if (_toolInteractingWithMe == null)
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{
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_selectionCylinder.CurrSelectionState = SelectionCylinder.SelectionState.Off;
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}
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else
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{
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_selectionCylinder.CurrSelectionState = (
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_toolInteractingWithMe.ToolInputState == ToolInputState.PrimaryInputDown ||
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_toolInteractingWithMe.ToolInputState == ToolInputState.PrimaryInputDownStay)
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? SelectionCylinder.SelectionState.Highlighted
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: SelectionCylinder.SelectionState.Selected;
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}
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}
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private void ActivateTrainCrossing()
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{
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int maxSoundIndex = _crossingSounds.Length - 1;
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var audioClip = _crossingSounds[(int)(Random.value * maxSoundIndex)];
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_audioSource.clip = audioClip;
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_audioSource.timeSamples = 0;
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_audioSource.Play();
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if (_xingAnimationCr != null)
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{
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StopCoroutine(_xingAnimationCr);
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}
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_xingAnimationCr = StartCoroutine(AnimateCrossing(audioClip.length * 0.75f));
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}
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private IEnumerator AnimateCrossing(float animationLength)
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{
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ToggleLightObjects(true);
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float animationEndTime = Time.time + animationLength;
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float lightBlinkDuration = animationLength * 0.1f;
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float lightBlinkStartTime = Time.time;
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float lightBlinkEndTime = Time.time + lightBlinkDuration;
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Material lightToBlinkOn = _lightsSide1Mat;
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Material lightToBlinkOff = _lightsSide2Mat;
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Color onColor = new Color(1.0f, 1.0f, 1.0f, 1.0f);
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Color offColor = new Color(1.0f, 1.0f, 1.0f, 0.0f);
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while (Time.time < animationEndTime)
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{
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float t = (Time.time - lightBlinkStartTime) / lightBlinkDuration;
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lightToBlinkOn.SetColor(_colorId, Color.Lerp(offColor, onColor, t));
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lightToBlinkOff.SetColor(_colorId, Color.Lerp(onColor, offColor, t));
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// switch which lights blink on and off when time runs out
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if (Time.time > lightBlinkEndTime)
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{
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Material temp = lightToBlinkOn;
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lightToBlinkOn = lightToBlinkOff;
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lightToBlinkOff = temp;
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lightBlinkStartTime = Time.time;
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lightBlinkEndTime = Time.time + lightBlinkDuration;
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}
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yield return null;
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}
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ToggleLightObjects(false);
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}
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private void AffectMaterials(Material[] materials, Color newColor)
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{
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foreach (var material in materials)
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{
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material.SetColor(_colorId, newColor);
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}
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}
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private void ToggleLightObjects(bool enableState)
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{
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_lightSide1Renderer.gameObject.SetActive(enableState);
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_lightSide2Renderer.gameObject.SetActive(enableState);
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}
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}
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}
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