HeavenStudioPlus/Assets/Plugins/com.unity.uiextensions/Runtime/Scripts/Effects/BestFitOutline.cs
2022-01-05 19:11:33 -05:00

62 lines
1.9 KiB
C#

/// Credit Melang
/// Sourced from - http://forum.unity3d.com/members/melang.593409/
using System.Collections.Generic;
namespace UnityEngine.UI.Extensions
{
[AddComponentMenu("UI/Effects/Extensions/BestFit Outline")]
public class BestFitOutline : Shadow
{
//
// Constructors
//
protected BestFitOutline ()
{
}
//
// Methods
//
public override void ModifyMesh (Mesh mesh)
{
if (!this.IsActive ())
{
return;
}
List<UIVertex> verts = new List<UIVertex>();
using (var helper = new VertexHelper(mesh))
{
helper.GetUIVertexStream(verts);
}
Text foundtext = GetComponent<Text>();
float best_fit_adjustment = 1f;
if (foundtext && foundtext.resizeTextForBestFit)
{
best_fit_adjustment = (float)foundtext.cachedTextGenerator.fontSizeUsedForBestFit / (foundtext.resizeTextMaxSize-1); //max size seems to be exclusive
}
int start = 0;
int count = verts.Count;
base.ApplyShadowZeroAlloc(verts, base.effectColor, start, verts.Count, base.effectDistance.x*best_fit_adjustment, base.effectDistance.y*best_fit_adjustment);
start = count;
count = verts.Count;
base.ApplyShadowZeroAlloc(verts, base.effectColor, start, verts.Count, base.effectDistance.x*best_fit_adjustment, -base.effectDistance.y*best_fit_adjustment);
start = count;
count = verts.Count;
base.ApplyShadowZeroAlloc(verts, base.effectColor, start, verts.Count, -base.effectDistance.x*best_fit_adjustment, base.effectDistance.y*best_fit_adjustment);
start = count;
count = verts.Count;
base.ApplyShadowZeroAlloc(verts, base.effectColor, start, verts.Count, -base.effectDistance.x*best_fit_adjustment, -base.effectDistance.y*best_fit_adjustment);
using (var helper = new VertexHelper())
{
helper.AddUIVertexTriangleStream(verts);
helper.FillMesh(mesh);
}
}
}
}