You can hold control while manipulating an object to move it in grid increments. I would like to extend the editor to snap an object back to the grid if you move it while holding down control.
I can’t seem to figure out how to do this.
I thought about making a custom EditorWindow, but those only have their update called while the window is open.
I can add a delegate to the editor’s update using [InitializeOnLoad], but then I can’t detect when control is being held down.
Any ideas?
Jamora
2
I don’t really understand why you would want to implement the snapping to grid yourself, as Unity already provides the functionality.
The way you can catch the control-key being pressed in a scene view (or rather, while a scene view is being shown) is by the following code:
using UnityEngine;
using UnityEditor;
public static class ControlDown{
[MenuItem("NoticeControlDown/Start")]
public static void InitializeStart(){
Debug.Log("started");
SceneView.onSceneGUIDelegate += SceneGUI;
}
[MenuItem("NoticeControlDown/Stop")]
public static void InitializeStop(){
Debug.Log("stopped");
SceneView.onSceneGUIDelegate -= SceneGUI;
}
private static void SceneGUI(SceneView sceneView){
if(Event.current.control)
Debug.Log("Control is down");
}
}
This script should be located in an Editor folder.
