添加的所有画笔编辑器必须继承自 GridBrushEditorBase
。GridBrushEditorBase
提供了一组固定 API 用于在 Palette 窗口上绘制检视面板以及在 Scene 视图上绘制辅助图标。
public virtual GameObject[] validTargets
这将返回作为画笔有效绘制目标的游戏对象列表。此列表将显示在 Palette 窗口内的下拉选单中。重写此 API 可提供此画笔可进行交互的自定义目标列表。
public virtual void OnPaintInspectorGUI()
这将显示一个检视面板以用于在面板 (Palette) 中编辑画笔 (Brush) 选项。使用此 API 可在 Scene 视图中进行编辑时更新画笔功能。
public virtual void OnSelectionInspectorGUI()
这将在目标网格上选择单元格时显示检视面板。重写此 API 可显示所选单元格的自定义检视面板视图。
public virtual void OnPaintSceneGUI(GridLayout grid, GameObject brushTarget, BoundsInt position, GridBrushBase.Tool tool, bool executing)
这用于在使用画笔绘制时在 Scene 视图上绘制额外的辅助图标。Tool 是面板中当前选择的工具。执行结果将返回是否正在特定时间使用画笔。
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