HeavenStudioPlus/Assets/Plugins/com.unity.uiextensions/Runtime/Scripts/Effects/CylinderText.cs

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2022-01-06 00:11:33 +00:00
/// adaption for cylindrical bending by herbst
/// Credit Breyer
/// Sourced from - http://forum.unity3d.com/threads/scripts-useful-4-6-scripts-collection.264161/#post-1777407
namespace UnityEngine.UI.Extensions
{
[RequireComponent(typeof(Text), typeof(RectTransform))]
[AddComponentMenu("UI/Effects/Extensions/Cylinder Text")]
public class CylinderText : BaseMeshEffect
{
public float radius;
#if UNITY_EDITOR
protected override void OnValidate()
{
base.OnValidate();
}
#endif
protected override void Awake()
{
base.Awake();
OnRectTransformDimensionsChange();
}
protected override void OnEnable()
{
base.OnEnable();
OnRectTransformDimensionsChange();
}
public override void ModifyMesh(VertexHelper vh)
{
if (! IsActive()) return;
int count = vh.currentVertCount;
if (!IsActive() || count == 0)
{
return;
}
for (int index = 0; index < vh.currentVertCount; index++)
{
UIVertex uiVertex = new UIVertex();
vh.PopulateUIVertex(ref uiVertex, index);
// get x position
var x = uiVertex.position.x;
// calculate bend based on pivot and radius
uiVertex.position.z = -radius * Mathf.Cos(x / radius);
uiVertex.position.x = radius * Mathf.Sin(x / radius);
vh.SetUIVertex(uiVertex, index);
}
}
}
}