/**
 * Copyright (c) 2006 Peter Goodman
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 */

//--------------------------------------------
// Class to deal with drawing things.
//--------------------------------------------

class FA.build.draw_fns extends FA.Query
{
	private var info:Object;
	
	private var line_width:Number;
	private var line_color:Number;
	private var line_transparency:Number;
	private var fill_transparency:Number;
	
	//--------------------------------------------
	// Draw a shape.
	//--------------------------------------------
	
	public function draw (shape_info:Object) : FA.Query
	{
		var shape:String = shape_info.shape.toLowerCase();
		
		if (this[shape].constructor == Function and _object instanceof MovieClip)
		{
			info = shape_info;
			
			line_width = info.lineWidth || 1;
			line_color = info.lineColor || 0x000000;
			line_transparency = info.lineAlpha || 100;
			fill_transparency = info.fillAlpha || 100;
			
			//--------------------------------------------
			// Create the shape and deal with filling it in
			// if necessary.
			//--------------------------------------------
			
			if (info.fillColor != undefined)
			{
				_object.beginFill(info.fillColor, fill_transparency);
			}
			
			_object.lineStyle(line_width, line_color, line_transparency);
			
			this[shape].apply(this, []);
			
			if (info.fillColor != undefined)
			{
				_object.endFill();
			}
		}
		
		return this;
	}
	
	//--------------------------------------------
	// Draw a circle. Format:
	// {
	// 		radius: 10,
	//		_x: 100,
	// 		_y: 100	
	// }
	//--------------------------------------------
	
	private function circle () : Void
	{	
		var x:Number;
		var y:Number;
		var a:Number;
		
		for (a = 0; a <= 360; a++) 
		{
		    x = info._x + info.radius * Math.cos(a * Math.PI / 180);
		    y = info._y + info.radius * Math.sin(a * Math.PI / 180);
			
		    with (_object) 
			{
		        if (a == 0) 
				{
		            moveTo(x, y);
		        }
		        lineTo(x, y);
		    }
		}
	}
	
	//--------------------------------------------
	// Draw a rectangle. Format:
	// {
	// 		width: 100,
	// 		height: 100,	
	// }
	//--------------------------------------------
	
	private function rectangle () : Void
	{
		_object.moveTo(info._x, info._y);
		_object.lineTo(info.width, info._y);
		_object.lineTo(info.width, info.height);
		_object.lineTo(info._x, info.height);
	}
	
	//--------------------------------------------
	// Draw a triangle.
	// {
	// 		a: [x, y], // left
	//  	b: [x, y], // right
	// 		_x: 100,
	// 		_y: 100
	// }
	//--------------------------------------------
	
	private function triangle () : Void
	{
		_object.moveTo(info._x, info._y);
	    _object.lineTo(info.b[1], info.b[1]); // c
	    _object.lineTo(info.a[0], info.a[1]); // a
	    _object.lineTo(info._x, info._y); // b
	}
}