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using System;
using UnityEngine;
[RequireComponent(typeof(MeshFilter))]
[RequireComponent(typeof(MeshRenderer))]
public class RadioWaveBehaviour : MonoBehaviour
{
public int NumPoints = 128;
public FloatRange Width;
public FloatRange Height;
private Mesh mesh;
private Vector3[] vecs;
public float TickRate = 0.1f;
private float timer;
public int Skip = 2;
public float Frequency = 5f;
private int Tick;
public bool Random;
[Range(0f, 1f)]
public float NoiseLevel;
public void Start()
{
this.mesh = new Mesh();
base.GetComponent<MeshFilter>().mesh = this.mesh;
this.mesh.MarkDynamic();
this.vecs = new Vector3[this.NumPoints];
int[] array = new int[this.NumPoints];
for (int i = 0; i < this.vecs.Length; i++)
{
Vector3 vector = this.vecs[i];
vector.x = this.Width.Lerp((float)i / (float)this.vecs.Length);
vector.y = this.Height.Next();
this.vecs[i] = vector;
array[i] = i;
}
this.mesh.vertices = this.vecs;
this.mesh.SetIndices(array, MeshTopology.LineStrip, 0);
}
public void Update()
{
this.timer += Time.deltaTime;
if (this.timer > this.TickRate)
{
this.timer = 0f;
this.Tick++;
for (int i = 0; i < this.vecs.Length - this.Skip; i++)
{
this.vecs[i].y = this.vecs[i + this.Skip].y;
}
if (this.Random)
{
for (int j = 1; j <= this.Skip; j++)
{
this.vecs[this.vecs.Length - j].y = this.Height.Next();
}
}
else
{
float num = 1f - this.NoiseLevel;
for (int k = 0; k < this.Skip; k++)
{
this.vecs[this.vecs.Length - 1 - this.Skip + k].y = Mathf.Sin(((float)this.Tick + (float)k / (float)this.Skip) * this.Frequency) * this.Height.max * num + this.Height.Next() * this.NoiseLevel;
}
}
this.mesh.vertices = this.vecs;
}
}
}
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