import java.io.*;
import com.anotherbigidea.flash.*;
import com.anotherbigidea.flash.interfaces.*;
import com.anotherbigidea.flash.writers.*;
import com.anotherbigidea.flash.structs.*;

/**
 * An example of writing directly to the SWF file format interfaces.
 * Create a movie consisting of 4 instances of a Movie Clip containing
 * a rotating red square.
 * 
 * Compare this to RedSquare.java (This was RedSquare2.java)
 */
public class Orbit13
{
	public static final int sc = 200;
	public static Rect outline2 = new Rect(-14*sc, -14*sc, 14*sc, 14*sc);

	public static SWFShape planet(SWFTagTypes swf, int id, double x, double y,
			double r, Color c, int n) throws IOException {
		SWFShape s = swf.tagDefineShape(id, outline2);
		s.defineFillStyle(c);
		s.setFillStyle1(1);
		s.defineLineStyle(20, new Color(0,0,0));
		s.setLineStyle(1);
		int lastX = (int) (x + sc*r);
		int lastY = (int) y;
        s.move(lastX, lastY);
		for ( int i = 1; i <= 2*n; i++ ) {
			double angle = i * Math.PI/n;
			int thisX =(int)(x + sc*r * Math.cos(angle));
			int thisY =(int)(y + sc*r * Math.sin(angle));
			//s.line(thisX, thisY);
			// Maybe not delta's but relative to first point?
			s.line(thisX - lastX, thisY - lastY);
			lastX = thisX;
			lastY = thisY;
		}
		s.done();
		return s;
	}

	public static void axes(SWFTagTypes swf, int id, int b) throws IOException {
		SWFShape s = swf.tagDefineShape(id, outline2);
		s.defineLineStyle(10, new Color(0,0,0));
		s.setLineStyle(1);
		s.move(-b,0); s.line(2*b,0);
		s.move(0,-b); s.line(0,2*b);
		s.done();
	}

	public static void orbit(SWFTagTypes swf, int id, int r)
			throws IOException {
		SWFShape s = swf.tagDefineShape(id, outline2);
		s.defineLineStyle(20, new Color(0,255,255));
		s.setLineStyle(1);
		int n = 16;
		double x = 0; double y = 0;
		int lastX = (int) (x + sc*r);
		int lastY = (int) y;
        s.move(lastX, lastY);
		for ( int i = 1; i <= 2*n; i++ ) {
			double angle = i * Math.PI/n;
			int thisX =(int)(x + sc*r * Math.cos(angle));
			int thisY =(int)(y - sc*r * Math.sin(angle));
			//s.line(thisX, thisY);
			// Maybe not delta's but relative to first point?
			s.line(thisX - lastX, thisY - lastY);
			lastX = thisX;
			lastY = thisY;
		}
		s.done();
    }

	public static void orbit2(SWFTagTypes swf, int id, int r)
			throws IOException {
		SWFShape s = swf.tagDefineShape(id, outline2);
		s.defineLineStyle(20, new Color(0,0,0));
		s.setLineStyle(1);
		double x = 0;
		double y = 0;
		int n = 64;
		int lastX = (int) (x + sc*r + sc);
		int lastY = (int) y;
		int thisX;
		int thisY;
        s.move(lastX, lastY);
		for ( int i = 1; i <= 2*n; i++ ) {
			double angle = i * Math.PI/n;
			thisX =(int)(x + sc*r * Math.cos(angle) + sc*Math.cos(12*angle));
			thisY =(int)(y - sc*r * Math.sin(angle) - sc*Math.sin(12*angle));
			// Maybe not delta's but relative to first point?
			s.line(thisX - lastX, thisY - lastY);
			lastX = thisX;
			lastY = thisY;
		}
		s.done();
    }

    /**
    /**
     * First arg is output filename
     */
    public static void main( String[] args ) throws IOException
    {        
        SWFWriter writer = new SWFWriter( args[0] );
        SWFTagTypes swf = new TagWriter( writer );
        
        swf.header( 5,     //Flash version
                    -1,    //unknown length
                    550 * SWFConstants.TWIPS,  //width in twips
                    400 * SWFConstants.TWIPS,  //height in twips
                    12,    //frames per sec
                    -1 );  //unknown frame count
        
        swf.tagSetBackgroundColor( new Color(255,255,255) );
		axes(swf, 1, 2000);
		orbit(swf, 2, 12);
		orbit2(swf, 3, 12);
		planet(swf, 4, 0, 0, .3, new Color(255, 255, 150), 16); // moon
		planet(swf, 5, 0, 0, .5, new Color(0, 255, 255), 16); //planet
		planet(swf, 6, 0, 0, 1, new Color(255, 255, 0), 16); //sun

        //--define a sprite (movie clip)
        SWFTagTypes sprite = swf.tagDefineSprite( 20 );   //id =20
       
		int r = 12*sc; 
		Matrix matrix = new Matrix( 1, 1, 0, 0, r, 0);
        //--place the shape in the first frame of the sprite

        sprite.tagPlaceObject2(false, -1, 1, 1, new Matrix(), null, -1, null,0);
        sprite.tagPlaceObject2(false, -1, 2, 2, new Matrix(), null, -1, null,0);
        sprite.tagPlaceObject2(false, -1, 3, 3, new Matrix(), null, -1, null,0);
        sprite.tagPlaceObject2(false, -1, 5, 5, matrix, null, -1, null, 0);
        sprite.tagPlaceObject2(false, -1, 6, 6, new Matrix(), null, -1, null,0);
        
		Matrix matrix2 = new Matrix( 1, 1, 0, 0, 13*r/12, 0);
        sprite.tagPlaceObject2(false, -1, 4, 4, matrix2, null, -1, null, 0);
        sprite.tagShowFrame();  //end the first frame
       
		int n = 64; 
        //--Rotate the square (using degrees for clarity)
        for( int i = 1; i < 2*n; i++ )
        {
            //--Convert degrees to radians
            double radians = i * Math.PI / n;
            
            //--Create a rotation matrix
            double sin = Math.sin( radians );
            double cos = Math.cos( radians );
            double sin2 = Math.sin( 12*radians );
            double cos2 = Math.cos( 12*radians );
            //Matrix matrix = new Matrix( cos, cos, sin, -sin, 0, 0 );
            matrix = new Matrix(1, 1, 0, 0, (int)(r * cos), -(int)(r * sin));
            matrix2 = new Matrix(1, 1, 0, 0, (int)(r * cos + sc*cos2),
				-(int)(r * sin + sc*sin2));
            
            //--Alter the square using the transformation matrix
            sprite.tagPlaceObject2(true, -1, 5, -1, matrix, null, -1, null, 0);
            sprite.tagPlaceObject2(true, -1, 4, -1, matrix2, null, -1, null, 0);
            sprite.tagShowFrame();
        }        
        
        //--End the sprite timeline
        sprite.tagEnd();

        //--changed was Place 4 instances of the sprite (at depths 1,2,3,4)
        swf.tagPlaceObject2( false, -1, 1, 20, new Matrix(4500,4500),
			null, -1, null, 0 );

        
        //--End the first frame of the main timeline
        swf.tagShowFrame();
        
        //--End the main timeline
        swf.tagEnd();      
    }
}