UnityのuGUIで縦書きテキスト表示
回転させたくない文字を「NonRotatableCharacters」に入れる。
例：「ー」「。」など...
回転だけだと位置がずれる、回転させなくても位置がおかしいものに関して
Pixelで修正したいものは「ShiftCharacters」に文字を入れ、「ShiftXPixels」「ShiftYPixels」で修正位置を記入する
例：「、」「。」など（Pixelは現在の位置から+-pxで指定）
code:RotateText.cs
using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using UnityEngine.EventSystems;
using System.Collections.Generic;
using System.Linq;
RequireComponent(typeof(Text))
public class RotateText : UIBehaviour, IMeshModifier
{
private Text textComponent;
private string text = null;
private char[] characters;
// 回転させない文字群
SerializeField private List<char> NonRotatableCharacters;
SerializeField static int ShiftChar = 0;
SerializeField private char[] ShiftCharacters = new charShiftChar;
SerializeField private float[] ShiftXPixels = new floatShiftChar;
SerializeField private float[] ShiftYPixels = new floatShiftChar;
void Update() {
if (textComponent == null) {
textComponent = this.GetComponent<Text>();
} else {
if (textComponent.text != "") {
if (textComponent.text != text) {
text = textComponent.text;
var graphics = base.GetComponent<Graphic>();
if (graphics != null) {
graphics.SetVerticesDirty();
}
}
}
}
}
void OnValidate() {
textComponent = this.GetComponent<Text>();
if (textComponent.text != null && textComponent.text != "") {
if (textComponent.text != text) {
text = textComponent.text;
var graphics = base.GetComponent<Graphic>();
if (graphics != null) {
graphics.SetVerticesDirty();
}
}
}
}
public void ModifyMesh (Mesh mesh) {}
public void ModifyMesh (VertexHelper verts)
{
if (!this.IsActive())
{
return;
}
List<UIVertex> vertexList = new List<UIVertex>();
verts.GetUIVertexStream(vertexList);
ModifyVertices(vertexList);
verts.Clear();
verts.AddUIVertexTriangleStream(vertexList);
}
void ModifyVertices(List<UIVertex> vertexList) {
if (textComponent != null) {
if (textComponent.text != null && textComponent.text != "") {
characters = textComponent.text.ToCharArray ();
if (characters.Length == 0) {
return;
}
for (int i = 0, vertexListCount = vertexList.Count; i < vertexListCount; i += 6) {
int index = i / 6;
//文字の回転の制御
if (!IsNonrotatableCharactor (characters index)) {
var center = Vector2.Lerp (vertexList i.position, vertexList i + 3.position, 0.5f);
for (int r = 0; r < 6; r++) {
var element = vertexList i + r;
var pos = element.position - (Vector3)center;
var newPos = new Vector2 (
pos.x * Mathf.Cos (90 * Mathf.Deg2Rad) - pos.y * Mathf.Sin (90 * Mathf.Deg2Rad),
pos.x * Mathf.Sin (90 * Mathf.Deg2Rad) + pos.y * Mathf.Cos (90 * Mathf.Deg2Rad)
);
element.position = (Vector3)(newPos + center);
vertexList i + r = element;
}
}
//文字の位置の制御
float[] shiftPixel = GetPixelShiftCharactor (characters index);
if (shiftPixel 0 != 0 || shiftPixel 1 != 0) {
var center = Vector2.Lerp (vertexList i.position, vertexList i + 3.position, 0.5f);
for (int r = 0; r < 6; r++) {
var element = vertexList i + r;
Debug.Log ("before：" + element.position.x + "," + element.position.y);
var pos = element.position - (Vector3)center;
var newPos = new Vector2 (
pos.x + shiftPixel 0,
pos.y + shiftPixel 1
);
element.position = (Vector3)(newPos + center);
Debug.Log ("after：" + element.position.x + "," + element.position.y);
vertexList i + r = element;
}
}
}
}
}
}
bool IsNonrotatableCharactor(char character) {
return NonRotatableCharacters.Any(x => x == character);
}
float[] GetPixelShiftCharactor(char character) {
int index = System.Array.IndexOf(ShiftCharacters,character);
float[] pixel = new float2;
if (0 <= index && index < ShiftXPixels.Length && index < ShiftYPixels.Length) {
pixel0 = ShiftXPixelsindex;
pixel1 = ShiftYPixelsindex;
}
return pixel;
}
}
#Unity #uGUI