package org.reprap.geometry.polygons;

/**
 * Testing class
 */
public class TestMain
{
	public static void rrpTest()
	{
		Rr2Point p = new Rr2Point(0.1, 0.15);
		Rr2Point q = new Rr2Point(0.2, 0.85);
		Rr2Point r = new Rr2Point(1, 0.89);
		
		Rr2Point s = new Rr2Point(0.95, 0.03);
		Rr2Point pp = new Rr2Point(0.35, 0.62);
		Rr2Point qq = new Rr2Point(0.55, 0.65);
		Rr2Point rr = new Rr2Point(0.45, 0.5);
		Rr2Point ss = new Rr2Point(0.4, 0.3);    
		
		RrPolygon a = new RrPolygon();
		a.add(p, 1);
		a.add(q, 1);
		a.add(r, 1);
		a.add(s, 1);
		
		RrPolygonList c = new RrPolygonList();
		c.add(a);
		
		a = new RrPolygon();
		a.add(rr, 2);
		a.add(qq, 2);
		a.add(pp, 2);
		a.add(ss, 2);
		c.add(a);
		
		//RrPolygonList d = c.offset(0.03);
		
		//RrPolygon  e = c.hatch(x, 0.03, 3, 4);
		//d = d.offset(0.003);
		//e = e.join_up(d);
		//c.add(d); 
		//c.add(e);
		
		new RrGraphics(c, false);
	}
	
	public static RrCSGPolygon hex()
	{
		double hexSize = 10;
		double hexX = 35, hexY = 15;
		
		RrCSG r = RrCSG.universe();
		Rr2Point pold = new Rr2Point(hexX + hexSize/2, hexY);
		Rr2Point p;
		double theta = 0; 
		for(int i = 0; i < 6; i++)
		{
			theta += Math.PI * 60. / 180.0;
			p = new Rr2Point(hexX + Math.cos(theta)*hexSize/2, hexY + Math.sin(theta)*hexSize/2);
			r = RrCSG.intersection(r, new RrCSG(new RrHalfPlane(p, pold)));
			pold = p;
		}
		
		return new RrCSGPolygon(r, new RrBox(new Rr2Point(hexX - hexSize, hexY - hexSize), 
				new Rr2Point(hexX + hexSize, hexY + hexSize)));
	}
	
	public static RrCSGPolygon testPol()
	{
		Rr2Point p = new Rr2Point(0.1, 0.15);
		Rr2Point q = new Rr2Point(0.2, 0.85);
		Rr2Point r = new Rr2Point(0.97, 0.89);
		Rr2Point s = new Rr2Point(0.95, 0.03);
		
		Rr2Point pp = new Rr2Point(0.3, 0.62);
		//Rr2Point qq = new Rr2Point(0.55, 0.95);
		Rr2Point qq = new Rr2Point(0.35, 0.95);
		Rr2Point rr = new Rr2Point(0.35, 0.2);    
		
		RrHalfPlane ph = new RrHalfPlane(p, q);
		RrHalfPlane qh = new RrHalfPlane(q, r);
		RrHalfPlane rh = new RrHalfPlane(r, s);
		RrHalfPlane sh = new RrHalfPlane(s, p);
		
		RrHalfPlane pph = new RrHalfPlane(pp, qq);
		RrHalfPlane qqh = new RrHalfPlane(qq, rr);
		RrHalfPlane rrh = new RrHalfPlane(rr, pp);
		
		RrCSG pc = new RrCSG(ph);
		RrCSG qc = new RrCSG(qh);
		RrCSG rc = new RrCSG(rh);
		RrCSG sc = new RrCSG(sh);
		
		pc = RrCSG.intersection(pc, qc);
		rc = RrCSG.intersection(sc, rc);		
		pc = RrCSG.intersection(pc, rc);
		
		//RrCSG ppc = new RrCSG(pph);
		RrCSG qqc = new RrCSG(qqh);
		RrCSG rrc = new RrCSG(rrh);
		
		// ppc = RrCSG.intersection(ppc, qqc);
		RrCSG ppc = RrCSG.intersection(qqc, rrc);
		ppc = RrCSG.difference(pc, ppc);
		
		pc = ppc.offset(-0.08);
		ppc = RrCSG.difference(ppc, pc);
		
		return new RrCSGPolygon(ppc, new 
				RrBox(new Rr2Point(-0.032,-0.0176), new Rr2Point(1.317,1.12)));
	}
	
	public static void rrCSGTest()
	{
		RrCSGPolygon cp = testPol();
		//RrCSGPolygon cp = hex();
		cp.divide(1.0e-6, 1.03);
		
		//RrPolygonList pl = cp.megList(2, 3);
		//RrGraphics g = new RrGraphics(pl, false);
		//System.out.println(cp.toString());
		RrGraphics g1 = new RrGraphics(cp.box().scale(1.1), false);
		//RrHalfPlane hatch = new RrHalfPlane(new Rr2Point(1, -1), new Rr2Point(-1, 1));
		//RrHalfPlane hatch = new RrHalfPlane(new Rr2Point(1, 1), new Rr2Point(-1, -1));
		//RrPolygonList h = cp.hatch(hatch, 0.05, 3, 0);
		//System.out.println(h.toString());
		//g1.addPol(h);
		g1.addCSG(cp);
		
//		RrLine hatch = new RrLine(new Rr2Point(-1, -1), new Rr2Point(1, 1));
//		RrPolygon  h = cp.hatch_join(x, 0.005, 1, 3);
//		RrPolygonList hp;
//		hp = cp.megList(1, 0);
//		hp.add(h);
//		g.addPol(hp);  
	}
	
	public static void rrCHTest()
	{
		RrCSGPolygon cp = testPol();
		
		cp.divide(1.0e-6, 1);
		//RrGraphics g = new RrGraphics(cp, true);
		RrPolygonList hp = cp.megList(4, 3);
		System.out.println("polygons: " + hp.size());
//		RrPolygonList hpl0 = new RrPolygonList();
//		hpl0.add(hp.polygon(0));
//		hpl0.add(hp.polygon(1));
//		hpl0.add(hp.polygon(2));
//		hpl0.add(hp.polygon(3));
//		RrCSGPolygon restored = hp.toCSG();
//		restored.divide(1.0e-6, 1);
//		System.out.println(restored.toString());
		RrGraphics g = new RrGraphics(new 
				RrBox(new Rr2Point(0,0), new Rr2Point(1,1)), false);
		g.addPol(hp);
		//g.addCSG(cp);
		//g.addCSG(restored);
		
//		List chl = hp.convexHull();
//		RrPolygonList ch = new RrPolygonList();		
//		ch.add(hp.toRrPolygonHull(chl, 1));
//		g.addPol(ch);  
	}
	
	public static void main(String args[])
	{
		rrCSGTest();
		//rrCHTest();
		//rrpTest();
	}
}