using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.UI;
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public class TextUnline : MaskableGraphic {
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private RectTransform target;
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private bool isChanged = false;
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protected override void Awake()
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{
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if (transform.parent != null) {
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target = transform.parent as RectTransform;
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}
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}
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private List<UIVertex> vertlist = new List<UIVertex>();
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protected override void OnPopulateMesh(VertexHelper vh)
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{
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vh.Clear();
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DrawUnderline(vh);
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}
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private void DrawUnderline(VertexHelper vh)
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{
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if (vertlist.Count < 1) return;
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for (int i = 0; i < vertlist.Count; i++)
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{
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vh.AddVert(vertlist[i]);
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}
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for (int i = 0; i < vertlist.Count; i+=4)
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{
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vh.AddTriangle(i, i + 1, i + 2);
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vh.AddTriangle(i + 1, i + 3, i + 2);
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}
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}
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public void SetUIVertex(Vector3 start,Vector3 end,float delta, float height,Color color)
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{
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UIVertex[] verts = new UIVertex[4];
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Vector3 pos = Vector3.zero;
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pos.x = start.x;pos.y = start.y + delta;
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verts[0].position = pos;
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pos.x = end.x;
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verts[1].position = pos;
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pos.x = start.x;pos.y = pos.y + height;
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verts[2].position = pos;
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pos.x = end.x;
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verts[3].position = pos;
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for (int i = 0; i < 4; i++) {
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verts[i].color = color;
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verts[i].uv0 = Vector2.zero;
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vertlist.Add(verts[i]);
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}
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isChanged = true;
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}
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private void Update()
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{
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if (target != null) {
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rectTransform.sizeDelta = target.sizeDelta;
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rectTransform.localPosition = Vector3.zero;
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rectTransform.pivot = target.pivot;
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}
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else {
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if (transform.parent != null) {
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target = transform.parent as RectTransform;
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}
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}
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if (isChanged) {
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SetAllDirty();
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isChanged = false;
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}
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}
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public void ClearVert()
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{
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vertlist.Clear();
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isChanged = true;
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}
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}
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