EditorGUI.BoundsField 边界盒字段

// Simple script that shows radius of bounds of selected MeshFilter
//显示选择的MeshFilter的边界盒半径
class EditorGUILayoutBoundsField extends EditorWindow {

	var radius : float = 0;
	var bounds : Bounds;

	@MenuItem("Examples/Show Radius of mesh bounds")
	static function Init() {
		var window = GetWindow(EditorGUILayoutBoundsField);
		window.Show();
	}
	function OnGUI() {
		GUILayout.Label("Select a mesh in the Hierarchy view and click 'Capture Bounds'");
		EditorGUILayout.BeginHorizontal();
		bounds = EditorGUILayout.BoundsField("Mesh bounds:", bounds);
		if(GUILayout.Button("Capture Bounds") && Selection.activeTransform)
		{
			var meshFilter : MeshFilter = Selection.activeTransform.GetComponentInChildren(MeshFilter);
			if (meshFilter)
				bounds = meshFilter.sharedMesh.bounds;
		}
		EditorGUILayout.EndHorizontal();

		EditorGUILayout.LabelField("Radius:", bounds.size.magnitude.ToString());
		if(GUILayout.Button("Close"))
			this.Close();
	}
}