69 lines
2.5 KiB
C#
69 lines
2.5 KiB
C#
using System;
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using System.Linq;
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using EscapeRoomEngine.VR.Runtime;
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using NaughtyAttributes;
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using UnityEngine;
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namespace Station46.Environments.Intro_Sphere.Scripts
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{
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public class FollowSphere : MonoBehaviour
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{
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private const int AverageLength = 3;
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private static readonly int FresnelPower = Shader.PropertyToID("_FresnelPower");
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public float
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minDistance = 0.001f,
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speed = 200,
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sizeFactor = 1,
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brightnessFactor = 1;
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[SerializeField] private Transform target;
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[BoxGroup("Internal")] [SerializeField] private AudioSource audioSource;
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[BoxGroup("Internal")] [SerializeField] private Transform centerTransform;
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[BoxGroup("Internal")] [SerializeField] private MeshRenderer sphereRenderer;
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private float[] _audioSamples;
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private float[] _samplesAverage = new float[AverageLength];
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private int averageIndex;
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private float _initialBrightness;
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private Material _sphereMaterial;
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private Rigidbody _rigidbody;
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private void Awake()
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{
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var clip = audioSource.clip;
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_audioSamples = new float[clip.samples*clip.channels];
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clip.GetData(_audioSamples, 0);
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_sphereMaterial = sphereRenderer.material;
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_initialBrightness = _sphereMaterial.GetFloat(FresnelPower);
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_rigidbody = GetComponent<Rigidbody>();
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target = Player.Instance.sphereFollow;
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}
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private void FixedUpdate()
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{
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var position = transform.position;
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var followPosition = target.position;
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if (Vector3.Distance(position, followPosition) >= minDistance)
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{
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_rigidbody.AddForce(speed * (followPosition - position));
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}
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}
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private void Update()
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{
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if (audioSource.isPlaying)
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{
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_samplesAverage[averageIndex] = Mathf.Abs(_audioSamples[audioSource.timeSamples]);
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averageIndex = (averageIndex + 1) % AverageLength;
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var average = _samplesAverage.Average();
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SetCenterSize(1 + sizeFactor * average);
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SetSphereMaterialBrightness(_initialBrightness - brightnessFactor * average);
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}
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}
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private void SetCenterSize(float size) => centerTransform.localScale = new Vector3(size, size, size);
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private void SetSphereMaterialBrightness(float brightness) => _sphereMaterial.SetFloat(FresnelPower, brightness);
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}
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} |