103 lines
3.0 KiB
C#
103 lines
3.0 KiB
C#
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using UnityEngine;
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using UnityEngine.UI;
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using System.Collections.Generic;
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namespace DuloGames.UI
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{
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[RequireComponent(typeof(RectTransform)), RequireComponent(typeof(Graphic)), DisallowMultipleComponent, AddComponentMenu("UI/Flippable", 8)]
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#if UNITY_5_2 || UNITY_5_3_OR_NEWER
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public class UIFlippable : MonoBehaviour, IMeshModifier {
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#else
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public class UIFlippable : MonoBehaviour, IVertexModifier {
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#endif
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[SerializeField] private bool m_Horizontal = false;
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[SerializeField] private bool m_Veritical = false;
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/// <summary>
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/// Gets or sets a value indicating whether this <see cref="UnityEngine.UI.UIFlippable"/> should be flipped horizontally.
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/// </summary>
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/// <value><c>true</c> if horizontal; otherwise, <c>false</c>.</value>
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public bool horizontal
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{
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get { return this.m_Horizontal; }
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set { this.m_Horizontal = value; this.GetComponent<Graphic>().SetVerticesDirty(); }
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}
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/// <summary>
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/// Gets or sets a value indicating whether this <see cref="UnityEngine.UI.UIFlippable"/> should be flipped vertically.
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/// </summary>
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/// <value><c>true</c> if vertical; otherwise, <c>false</c>.</value>
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public bool vertical
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{
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get { return this.m_Veritical; }
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set { this.m_Veritical = value; this.GetComponent<Graphic>().SetVerticesDirty(); }
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}
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#if UNITY_EDITOR
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protected void OnValidate()
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{
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this.GetComponent<Graphic>().SetVerticesDirty();
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}
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#endif
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#if UNITY_5_2 || UNITY_5_3_OR_NEWER
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public void ModifyMesh(VertexHelper vertexHelper)
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{
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if (!this.enabled)
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return;
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List<UIVertex> list = new List<UIVertex>();
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vertexHelper.GetUIVertexStream(list);
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ModifyVertices(list); // calls the old ModifyVertices which was used on pre 5.2
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vertexHelper.Clear();
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vertexHelper.AddUIVertexTriangleStream(list);
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}
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public void ModifyMesh(Mesh mesh)
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{
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if (!this.enabled)
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return;
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List<UIVertex> list = new List<UIVertex>();
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using (VertexHelper vertexHelper = new VertexHelper(mesh))
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{
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vertexHelper.GetUIVertexStream(list);
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}
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ModifyVertices(list); // calls the old ModifyVertices which was used on pre 5.2
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using (VertexHelper vertexHelper2 = new VertexHelper())
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{
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vertexHelper2.AddUIVertexTriangleStream(list);
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vertexHelper2.FillMesh(mesh);
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}
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}
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#endif
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public void ModifyVertices(List<UIVertex> verts)
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{
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if (!this.enabled)
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return;
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RectTransform rt = this.transform as RectTransform;
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for (int i = 0; i < verts.Count; ++i)
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{
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UIVertex v = verts[i];
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// Modify positions
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v.position = new Vector3(
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(this.m_Horizontal ? (v.position.x + (rt.rect.center.x - v.position.x) * 2) : v.position.x),
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(this.m_Veritical ? (v.position.y + (rt.rect.center.y - v.position.y) * 2) : v.position.y),
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v.position.z
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);
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// Apply
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verts[i] = v;
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}
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}
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}
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}
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