下面方法可以达到给文本添加不同颜色，可以上下左右颜色各不一样，且渐变过渡，自由配置
达到的效果是这样的
其配置是这样的，在对应的文本组件下面加上这个脚本
直接上代码 控制文本颜色的
/*
uGui-Effect-Tool
Copyright (c) 2016 WestHillApps (Hironari Nishioka)
This software is released under the MIT License.
http://opensource.org/licenses/mit-license.php
*/
using UnityEngine;
using System.Collections.Generic;
using UnityEngine.UI;
namespace UiEffect
{
[AddComponentMenu("UI/Effects/Gradient Color"), RequireComponent(typeof(Graphic))]
public class GradientColor : BaseMeshEffect
{
private const int ONE_TEXT_VERTEX = 6;
[SerializeField]
private Color m_colorTop = Color.white;
[SerializeField]
private Color m_colorBottom = Color.white;
[SerializeField]
private Color m_colorLeft = Color.white;
[SerializeField]
private Color m_colorRight = Color.white;
[SerializeField, Range(-1f, 1f)]
private float m_gradientOffsetVertical = 0f;
[SerializeField, Range(-1f, 1f)]
private float m_gradientOffsetHorizontal = 0f;
[SerializeField]
private bool m_splitTextGradient = false;
public Color colorTop {
get {
return m_colorTop; } set {
if (m_colorTop != value) {
m_colorTop = value; Refresh(); } } }
public Color colorBottom {
get {
return m_colorBottom; } set {
if (m_colorBottom != value) {
m_colorBottom = value; Refresh(); } } }
public Color colorLeft {
get {
return m_colorLeft; } set {
if (m_colorLeft != value) {
m_colorLeft = value; Refresh(); } } }
public Color colorRight {
get {
return m_colorRight; } set {
if (m_colorRight != value) {
m_colorRight = value; Refresh(); } } }
public float gradientOffsetVertical {
get {
return m_gradientOffsetVertical; } set {
if (m_gradientOffsetVertical != value) {
m_gradientOffsetVertical = Mathf.Clamp(value, -1f, 1f); Refresh(); } } }
public float gradientOffsetHorizontal {
get {
return m_gradientOffsetHorizontal; } set {
if (m_gradientOffsetHorizontal != value) {
m_gradientOffsetHorizontal = Mathf.Clamp(value, -1f, 1f); Refresh(); } } }
public bool splitTextGradient {
get {
return m_splitTextGradient; } set {
if (m_splitTextGradient != value) {
m_splitTextGradient = value; Refresh(); } } }
public override void ModifyMesh(VertexHelper vh)
{
if (IsActive() == false)
{
return;
}
List<UIVertex> vList = UiEffectListPool<UIVertex>.Get();
vh.GetUIVertexStream(vList);
ModifyVertices(vList);
vh.Clear();
vh.AddUIVertexTriangleStream(vList);
UiEffectListPool<UIVertex>.Release(vList);
}
private void ModifyVertices(List<UIVertex> vList)
{
if (IsActive() == false || vList == null || vList.Count == 0)
{
return;
}
float minX = 0f, minY = 0f, maxX = 0f, maxY = 0f, width = 0f, height = 0;
UIVertex newVertex;
for (int i = 0; i < vList.Count; i++)
{
if (i == 0 || (m_splitTextGradient && i % ONE_TEXT_VERTEX == 0))
{
minX = vList[i].position.x;
minY = vList[i].position.y;
maxX = vList[i].position.x;
maxY = vList[i].position.y;
int vertNum = m_splitTextGradient ? i + ONE_TEXT_VERTEX : vList.Count;
for (int k = i; k < vertNum; k++)
{
if (k >= vList.Count)
{
break;
}
UIVertex vertex = vList[k];
minX = Mathf.Min(minX, vertex.position.x);
minY = Mathf.Min(minY, vertex.position.y);
maxX = Mathf.Max(maxX, vertex.position.x);
maxY = Mathf.Max(maxY, vertex.position.y);
}
width = maxX - minX;
height = maxY - minY;
}
newVertex = vList[i];
Color colorOriginal = newVertex.color;
Color colorVertical = Color.Lerp(m_colorBottom, m_colorTop, (height > 0 ? (newVertex.position.y - minY) / height : 0) + m_gradientOffsetVertical);
Color colorHorizontal = Color.Lerp(m_colorLeft, m_colorRight, (width > 0 ? (newVertex.position.x - minX) / width : 0) + m_gradientOffsetHorizontal);
newVertex.color = colorOriginal * colorVertical * colorHorizontal;
vList[i] = newVertex;
}
}
private void Refresh()
{
if (graphic != null)
{
graphic.SetVerticesDirty();
}
}
}
}
上面代码依赖 UiEffectListPool，该脚本在这里
/*
Original Code is here.
https://bitbucket.org/Unity-Technologies/ui/src/f0b47d48183738c2eb00e90ede60c38448f359b5/UnityEngine.UI/UI/Core/Utility/ListPool.cs?at=5.4&fileviewer=file-view-default
*/
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;
namespace UiEffect
{
public static class UiEffectListPool<T>
{
// Object pool to avoid allocations.
private static readonly UiEffectObjectPool<List<T>> s_ListPool = new UiEffectObjectPool<List<T>>(null, l => l.Clear());
public static List<T> Get()
{
return s_ListPool.Get();
}
public static void Release(List<T> toRelease)
{
s_ListPool.Release(toRelease);
}
}
public class UiEffectObjectPool<T> where T : new()
{
private readonly Stack<T> m_Stack = new Stack<T>();
private readonly UnityAction<T> m_ActionOnGet;
private readonly UnityAction<T> m_ActionOnRelease;
public int countAll {
get; private set; }
public int countActive {
get {
return countAll - countInactive; } }
public int countInactive {
get {
return m_Stack.Count; } }
public UiEffectObjectPool(UnityAction<T> actionOnGet, UnityAction<T> actionOnRelease)
{
m_ActionOnGet = actionOnGet;
m_ActionOnRelease = actionOnRelease;
}
public T Get()
{
T element;
if (m_Stack.Count == 0)
{
element = new T();
countAll++;
}
else
{
element = m_Stack.Pop();
}
if (m_ActionOnGet != null)
m_ActionOnGet(element);
return element;
}
public void Release(T element)
{
if (m_Stack.Count > 0 && ReferenceEquals(m_Stack.Peek(), element))
Debug.LogError("Internal error. Trying to destroy object that is already released to pool.");
if (m_ActionOnRelease != null)
m_ActionOnRelease(element);
m_Stack.Push(element);
}
}
}
Over~
创作不易，看到这了，记得点赞哦~