0312 增加渐变文本

hch

2 天以前 9fe74c79db3c3d6047651d84a278eb7a8555a513

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using UnityEditor;
using UnityEngine;
using UnityEngine.UI;
 
[CustomEditor(typeof(GradientText), true), CanEditMultipleObjects]
public class GradientTextEditor : UnityEditor.UI.TextEditor
{
    private SerializedProperty m_GradientType;
    private SerializedProperty m_TopLeftColor;
    private SerializedProperty m_TopRightColor;
    private SerializedProperty m_BottomLeftColor;
    private SerializedProperty m_BottomRightColor;
    private SerializedProperty m_UseGradient;
 
    protected override void OnEnable()
    {
        base.OnEnable();
        
        m_GradientType = serializedObject.FindProperty("m_GradientType");
        m_TopLeftColor = serializedObject.FindProperty("m_TopLeftColor");
        m_TopRightColor = serializedObject.FindProperty("m_TopRightColor");
        m_BottomLeftColor = serializedObject.FindProperty("m_BottomLeftColor");
        m_BottomRightColor = serializedObject.FindProperty("m_BottomRightColor");
        m_UseGradient = serializedObject.FindProperty("m_UseGradient");
    }
 
    public override void OnInspectorGUI()
    {
        base.OnInspectorGUI();
        
        EditorGUILayout.Space();
        EditorGUILayout.LabelField("渐变设置", EditorStyles.boldLabel);
        
        serializedObject.Update();
        
        EditorGUILayout.PropertyField(m_UseGradient, new GUIContent("启用渐变"));
        
        if (m_UseGradient.boolValue)
        {
            EditorGUILayout.PropertyField(m_GradientType, new GUIContent("渐变类型"));
            
            var gradientType = (GradientText.GradientType)m_GradientType.enumValueIndex;
            
            switch (gradientType)
            {
                case GradientText.GradientType.Horizontal:
                    EditorGUILayout.PropertyField(m_TopLeftColor, new GUIContent("左侧颜色"));
                    EditorGUILayout.PropertyField(m_TopRightColor, new GUIContent("右侧颜色"));
                    break;
                    
                case GradientText.GradientType.Vertical:
                    EditorGUILayout.PropertyField(m_TopLeftColor, new GUIContent("顶部颜色"));
                    EditorGUILayout.PropertyField(m_BottomLeftColor, new GUIContent("底部颜色"));
                    break;
                    
                case GradientText.GradientType.Diagonal:
                    EditorGUILayout.PropertyField(m_TopLeftColor, new GUIContent("左上颜色"));
                    EditorGUILayout.PropertyField(m_BottomRightColor, new GUIContent("右下颜色"));
                    break;
                    
                case GradientText.GradientType.Radial:
                    EditorGUILayout.PropertyField(m_TopLeftColor, new GUIContent("中心颜色"));
                    EditorGUILayout.PropertyField(m_BottomRightColor, new GUIContent("边缘颜色"));
                    break;
                    
                case GradientText.GradientType.Custom:
                    EditorGUILayout.PropertyField(m_TopLeftColor, new GUIContent("左上颜色"));
                    EditorGUILayout.PropertyField(m_TopRightColor, new GUIContent("右上颜色"));
                    EditorGUILayout.PropertyField(m_BottomLeftColor, new GUIContent("左下颜色"));
                    EditorGUILayout.PropertyField(m_BottomRightColor, new GUIContent("右下颜色"));
                    break;
            }
            
            // 快速设置按钮
            EditorGUILayout.Space();
            EditorGUILayout.LabelField("快速设置", EditorStyles.miniLabel);
            
            GUILayout.BeginHorizontal();
            if (GUILayout.Button("红→蓝"))
            {
                SetHorizontalGradient(Color.red, Color.blue);
            }
            if (GUILayout.Button("绿→黄"))
            {
                SetHorizontalGradient(Color.green, Color.yellow);
            }
            if (GUILayout.Button("彩虹"))
            {
                SetRainbowGradient();
            }
            GUILayout.EndHorizontal();
            
            GUILayout.BeginHorizontal();
            if (GUILayout.Button("金→橙"))
            {
                SetVerticalGradient(Color.yellow, new Color(1f, 0.5f, 0f));
            }
            if (GUILayout.Button("紫→粉"))
            {
                SetVerticalGradient(new Color(0.5f, 0f, 0.5f), new Color(1f, 0.4f, 0.7f));
            }
            GUILayout.EndHorizontal();
        }
        
        serializedObject.ApplyModifiedProperties();
    }
    
    private void SetHorizontalGradient(Color leftColor, Color rightColor)
    {
        m_GradientType.enumValueIndex = (int)GradientText.GradientType.Horizontal;
        m_TopLeftColor.colorValue = leftColor;
        m_BottomLeftColor.colorValue = leftColor;
        m_TopRightColor.colorValue = rightColor;
        m_BottomRightColor.colorValue = rightColor;
    }
    
    private void SetVerticalGradient(Color topColor, Color bottomColor)
    {
        m_GradientType.enumValueIndex = (int)GradientText.GradientType.Vertical;
        m_TopLeftColor.colorValue = topColor;
        m_TopRightColor.colorValue = topColor;
        m_BottomLeftColor.colorValue = bottomColor;
        m_BottomRightColor.colorValue = bottomColor;
    }
    
    private void SetRainbowGradient()
    {
        m_GradientType.enumValueIndex = (int)GradientText.GradientType.Horizontal;
        m_TopLeftColor.colorValue = Color.red;
        m_BottomLeftColor.colorValue = Color.red;
        m_TopRightColor.colorValue = Color.blue;
        m_BottomRightColor.colorValue = Color.blue;
    }
}