Handles.BeginGUI

Parameters

Description

Begin a 2D GUI block inside the 3D handle GUI.

Begin a 2D GUI block on top of the current handle camera.

See Also: Handles.EndGUI.


GUI in the Scene View.

	// Create a 180 degrees wire arc with a ScaleValueHandle attached to the disc
	// that lets you modify the "shieldArea" var in the WireArcExample.js, also
	// lets you visualize some info of the transform and finally lets you 
	// reset the shield area value to 5 by clicking on a button
	
		// cast & store references
		Shield shield = (target as Shield);
		Transform transform = shield.transform;
		
		// 3D UI: arc and scale handle
	    	Handles.color = Color.blue;
		Handles.DrawWireArc(transform.position, transform.up, -transform.right, 180, shield.shieldArea);
		shield.shieldArea = Handles.ScaleValueHandle( shield.shieldArea, transform.position + transform.forward*shield.shieldArea, transform.rotation, 1, Handles.ConeCap, 1);
		
		// start of 2D UI section
		Handles.BeginGUI();
		
		// information label
		Handles.Label(transform.position + Vector3.right*2, "Shield Area: " +shield.shieldArea);
		
		// reset button:
		GUILayout.BeginArea(new Rect(Screen.width - 100, Screen.height - 80, 90,50));
		if(GUILayout.Button("Reset Area")) { shield.shieldArea = 5; }
		GUILayout.EndArea();
		
		// end of 2D UI section
	 		Handles.EndGUI();
	 		
	    }
	}

And the script attached to this Handle:

	// DummyButtonScript.js
	
	var shieldArea : float = 5;