EditorWindow.OnFocus()

Description

Called when the window gets keyboard focus.

See Also: OnLostFocus.


Preview your camera in ortographic mode when you select the window.

// Simple script that lets you preview your main camera in Orthographic view
// when selected.

class OrthographicPreviewer extends EditorWindow {

	var renderTexture : RenderTexture;
	var camera : Camera;

	@MenuItem("Examples/Camera Selector")
	static function Init() {
		var window = GetWindow(OrthographicPreviewer);
		window.Show();
	}

	function OnEnable()
	{
		Debug.Log("OnEnable");
		renderTexture = 
			new RenderTexture(position.width, position.height, RenderTextureFormat.ARGB32 );
		camera = Camera.main;
	}
		 
	function OnInspectorUpdate()
	{
		this.Repaint();
	}

	function OnGUI()
	{
		if(GUILayout.Button("Close")) {
			camera.orthographic = false;
			this.Close();
		}
		if (renderTexture != null)
		{
			GUI.DrawTexture(Rect( 0.0f, 50.0f, position.width, position.height), renderTexture);
		}
	}

	function OnFocus()
	{
		Selection.activeTransform = camera.transform;
		camera.orthographic = true;
	}

	function Update()
	{
		if(camera != null) {
			camera.targetTexture = renderTexture;
			camera.Render();
			camera.targetTexture = null;
		}
		if(renderTexture.width != position.width || renderTexture.height != position.height)
			renderTexture = new RenderTexture(position.width, 
					position.height, 
					RenderTextureFormat.ARGB32 );
	}

	function OnLostFocus()
	{
		camera.orthographic = false;
	}
}

// Simple script that lets you preview your main camera in 
// Orthographic view when selected.

using UnityEngine;
using UnityEditor;

public class ExampleClass : EditorWindow {

	RenderTexture renderTexture;
	Camera camera;

	[MenuItem ("Examples/Orthographic Previewer")]
	static void Init() {
		ExampleClass window =
			(ExampleClass)EditorWindow.GetWindow(typeof(ExampleClass),true, "My Empty Window");
		window.Show();
	}

	void OnEnable()
	{
		int w = (int)this.position.width;
		int h = (int)this.position.height;

		renderTexture = new RenderTexture(w, h, 32, RenderTextureFormat.ARGB32 );
		camera = Camera.main;
	}

	void OnInspectorUpdate()
	{
		this.Repaint();
	}

	void OnGUI()
	{
		if(GUILayout.Button("Close")) {
			camera.orthographic = false;
			this.Close();
		}
		if (renderTexture != null)
		{
			float w = this.position.width;
			float h = this.position.height;
			GUI.DrawTexture(new Rect( 0.0f, 50.0f, w, h), renderTexture);
		}
	}

	void OnFocus()
	{
		Selection.activeTransform = camera.transform;
		camera.orthographic = true;
	}

	void Update()
	{
		if(camera != null) {
			camera.targetTexture = renderTexture;
			camera.Render();
			camera.targetTexture = null;
		}

		int w = (int)this.position.width;
		int h = (int)this.position.height;
		if(renderTexture.width != w || renderTexture.height != h)
		{
			renderTexture = new RenderTexture(w, h, 32, RenderTextureFormat.ARGB32 );
		}
	}

	void OnLostFocus()
	{
		camera.orthographic = false;
	}
		 

}