CircleOutline.cs

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using System;
using System.Collections.Generic;
using UnityEngine;
 
public class CircleOutline : ModifiedShadow
{
    [SerializeField]
    private int m_circleCount = 2;
 
    [SerializeField]
    private int m_firstSample = 4;
 
    [SerializeField]
    private int m_sampleIncrement = 2;
 
    public int circleCount
    {
        get
        {
            return m_circleCount;
        }
        set
        {
            m_circleCount = Mathf.Max(value, 1);
            if (base.graphic != null)
            {
                base.graphic.SetVerticesDirty();
            }
        }
    }
 
    public int firstSample
    {
        get
        {
            return m_firstSample;
        }
        set
        {
            m_firstSample = Mathf.Max(value, 2);
            if (base.graphic != null)
            {
                base.graphic.SetVerticesDirty();
            }
        }
    }
 
    public int sampleIncrement
    {
        get
        {
            return m_sampleIncrement;
        }
        set
        {
            m_sampleIncrement = Mathf.Max(value, 1);
            if (base.graphic != null)
            {
                base.graphic.SetVerticesDirty();
            }
        }
    }
 
    public override void ModifyVertices(List<UIVertex> verts)
    {
        if (!IsActive())
        {
            return;
        }
        int num = (m_firstSample * 2 + m_sampleIncrement * (m_circleCount - 1)) * m_circleCount / 2;
        int num2 = verts.Count * (num + 1);
        if (verts.Capacity < num2)
        {
            verts.Capacity = num2;
        }
        int count = verts.Count;
        int num3 = 0;
        int num4 = m_firstSample;
        float num5 = base.effectDistance.x / (float)circleCount;
        float num6 = base.effectDistance.y / (float)circleCount;
        for (int i = 1; i <= m_circleCount; i++)
        {
            float num7 = num5 * (float)i;
            float num8 = num6 * (float)i;
            float num9 = MathF.PI * 2f / (float)num4;
            float num10 = (float)(i % 2) * num9 * 0.5f;
            for (int j = 0; j < num4; j++)
            {
                int num11 = num3 + count;
                ApplyShadow(verts, base.effectColor, num3, num11, num7 * Mathf.Cos(num10), num8 * Mathf.Sin(num10));
                num3 = num11;
                num10 += num9;
            }
            num4 += m_sampleIncrement;
        }
    }
}