// (C) 2001 SyGem Software

import java.awt.*;
import java.applet.*;

import com.sygem.jazz3d3.*;
import com.sygem.jazz3d3.primitive.Torus3d;

public class transparency extends Applet implements Runnable {

	Thread m_ce;
	World myWorld;
	int light1;
	int pid;

	RenderTransparent tranny = new RenderTransparent();
	RenderSolid solid = new RenderSolid();

	int downx = 0;
	int downy = 0;
	double ddx = 0;
	double ddy = 0;
	boolean down = false;

	boolean antialias = false;
	boolean bilinear = false;

	//Construct the applet
	public transparency() {
	}

	//Initialize the applet
	public void init() {

		myWorld = new World(this);
		setLayout(new BorderLayout());
		add("Center",myWorld);

	}

	//Start the applet
	public void start() {
		if (m_ce == null) {
			m_ce = new Thread(this);
			m_ce.start();
		}
	}

	//Stop the applet
	public void stop() {
		if (m_ce != null) {
			m_ce.stop();
			m_ce = null;
		}
	}

	//Destroy the applet
	public void destroy() {
	}

	public void run() {
		int iCount = 0;
		long lTime0 = System.currentTimeMillis();
		double z;
		ddx = 0.16;
		ddy = 0.35;
		z = 0.21;
		myWorld.prep();

		myWorld.prepareCanvas();
		myWorld.drawImage();
		Graphics g = myWorld.getCanvas();
		g.setColor(new Color(255,0,0));
		g.drawString("Initializing demo...",20,80);
		myWorld.finishCanvas();

		myWorld.setBackground(TextureLoader.loadImage("images/Jazz3D_logo_large.gif"));

		Torus3d sp1 = new Torus3d(0.5,0.2,0.2,15,15,0,0,6);
		sp1.setColour(255,50,50);

		solid.setTransparency(0.5);
		tranny.setTransparency(0.5);

		sp1.setRenderer(solid);

		myWorld.enableTransparentObjects();

		pid = myWorld.addObject(sp1);

		Light l1 = new Light(0,0,1);
		myWorld.addLight(l1);

		myWorld.prepNewObjects();

		while (true) {

			myWorld.getParentObject(pid).rotateWorld(ddy,ddx,z);
			myWorld.redraw();
		}
	}

	public boolean mouseDown(Event evt, int x, int y) {
		downx = x;
		downy = y;
		down = true;
		return true;
	}

	public boolean mouseUp(Event evt, int x, int y) {
		down = false;
		return true;
	}

	public boolean mouseDrag(Event evt, int x, int y) {
		if (down) {
			double dx = x - downx;
			double dy = y - downy;
			ddx = (dx / (this.size().width))*10.0;
			ddy = (dy / (this.size().height))*10.0;
		}
		return true;
	}

	public boolean keyDown(Event evt,int key) {

		if ((char)key=='a') {antialias=!antialias; myWorld.setAntiAliasing(antialias); return true; }
		if ((char)key=='b') {bilinear=!bilinear; myWorld.setBilinear(bilinear); return true; }
		if ((char)key=='t') {
			myWorld.getParentObject(pid).setRenderer(tranny);
			return true;
		}
		if ((char)key=='s') {
			myWorld.getParentObject(pid).setRenderer(solid);
			return true;
		}
		if ((char)key=='g') {
			myWorld.getParentObject(pid).getRenderer().setDrawingMode(Render.GOURAUD);
			return true;
		}
		if ((char)key=='f') {
			myWorld.getParentObject(pid).getRenderer().setDrawingMode(Render.FLAT);
			return true;
		}

		return true;
	}

}