package;

import flash.Vector;

/**
 * @licence Creative Common BY NC SA - http://creativecommons.org/licenses/by-nc-sa/2.0/
 * @author Blue112
 */

// simple base class for 3D objects 
class Mesh3D
{
	// original 3D object vertex data
	public var vertices3D:Vector<Float>;
	
	// modified 3D vertex data (used for interactive transformations) 
	public var vertices3D2:Vector<Float>;

	// projected 2D vertex data
	public var vertices2D:Vector<Float>;

	// indexed face set
	public var indices:Vector<Int>;

	// texture uvt data (if needed)
	public var uvtData:Vector<Float>;
	
	public var x:Float;
	public var y:Float;
	public var z:Float;

	public var scaleX:Float;
	public var scaleY:Float;
	public var scaleZ:Float;
	
	public var rotX:Float;
	public var rotY:Float;
	public var rotZ:Float;
	
	public var number:Int;

	// constructor
	public function new()
	{
		scaleX = scaleY = scaleZ = 1;
		rotX = rotY = rotZ = 0;
		x = y = z = 0;
		
		vertices3D = new Vector<Float>();
		vertices3D2 = new Vector<Float>();
		vertices2D = new Vector<Float>();
		indices = new Vector<Int>();
		uvtData = new Vector<Float>();
	}
	
	private function v(x:Float, y:Float, z:Float):Void
	{
		vertices3D.push(x);
		vertices3D.push(y);
		vertices3D.push(z);

		// initialize vertices2D and uvtData with some values 
		vertices2D.push(0);
		vertices2D.push(0);
		vertices2D.push(0);
		uvtData.push(1);
		uvtData.push(0);
		uvtData.push(0);
	}

	private function addFace(index0:Int, index1:Int, index2:Int):Void
	{
		// first triangle 
		indices.push(index2);
		indices.push(index1);
		indices.push(index0);
	}
    
    private function f2(vn0:Int, vn1:Int, vn2:Int)
    {
        addFace(vn0, vn1, vn2);
    }
    
    private function f(vn0:Int, vn1:Int, vn2:Int, uvn0:Int, uvn1:Int, uvn2:Int):Void
    {
        addFace(vn0, vn1, vn2);
    }
    
    private function uv(u:Float,v:Float):Void
    {
        //nothing
    }
	
	public function toString():String
	{
		return "[Mesh3D " + number + "]";
	}

}