package com.mrdoob.pv3d_phunky.objects
{
import org.papervision3d.core.*;
import org.papervision3d.core.proto.*;
import org.papervision3d.core.geom.*;
import org.papervision3d.core.geom.renderables.Vertex3D;
import org.papervision3d.core.geom.renderables.Triangle3D;

import flash.display.BitmapData;


public class Pyramid extends TriangleMesh3D
{
	public var segmentsS :Number;
	public var segmentsT :Number;
	public var segmentsH :Number;
	static public var DEFAULT_SIZE :Number = 500;
	static public var DEFAULT_SCALE :Number = 1;
	static public var DEFAULT_SEGMENTS :Number = 1;


	public function Pyramid( material:MaterialObject3D=null, width:Number=500, depth:Number=500, height:Number=500, segmentsS:Number=1, segmentsT:Number=1, segmentsH:Number=1, initObject:Object=null )
	{
		super( material, new Array(), new Array(), null, initObject );

		var scale :Number = DEFAULT_SCALE;

		if( ! height ) {
			if( width ) scale = width;
			if( material && material.bitmap ) {
				width  = material.bitmap.width  * scale;
				height = material.bitmap.height * scale;
			} else {
				width  = DEFAULT_SIZE * scale;
				height = DEFAULT_SIZE * scale;
			}
		}
		if( ! depth ) {
			if( width ) scale = width;
				width  = DEFAULT_SIZE * scale;
				depth = DEFAULT_SIZE * scale;
		}

		buildCube( width, height, depth );
	}

	private function buildCube( fWidth:Number, fHeight:Number, fDepth:Number ):void {

		var vertices :Array  = this.geometry.vertices;
		var faces    :Array  = this.geometry.faces;
		
		vertices.push( new Vertex3D( 0, 0, -(fDepth/2) ) );
		vertices.push( new Vertex3D( -(fWidth/2), 0, (fDepth/2) ) );
		vertices.push( new Vertex3D( (fWidth/2), 0, (fDepth/2) ) );
		vertices.push( new Vertex3D( 0, -(fWidth/2), 0 ) );
		
		faces.push( new Triangle3D( this, [ vertices[0], vertices[3], vertices[1] ], null, [ 1, 1, 1 ] ) );
		faces.push( new Triangle3D( this, [ vertices[1], vertices[3], vertices[2] ], null, [ 1, 1, 1 ] ) );
		faces.push( new Triangle3D( this, [ vertices[2], vertices[3], vertices[0] ], null, [ 1, 1, 1 ] ) );		

		faces.push( new Triangle3D( this, [ vertices[2], vertices[0], vertices[1] ], null, [ 1, 1, 1 ] ) );				
		
		this.geometry.ready = true;
	}
}
}