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

/**
 * An example of using the Movie package to create a simple Flash movie
 * consisting of 4 instances of a Movie Clip containing a rotating red
 * square.
 */
public class RedSquare
{
    /**
     * First arg is output filename
     */
    public static void main( String[] args ) throws IOException
    {        
        Movie movie = new Movie();
     
        //--Create a red square with a 2 pixel black outline
        // centered on (0,0)
        Shape shape = new Shape();
        shape.defineFillStyle( new Color(255,0,0) );
        shape.defineLineStyle( 2.0, new Color(0,0,0) );
        shape.setRightFillStyle( 1 );
        shape.setLineStyle( 1 );    
        shape.move( -50, -50 );
        shape.line(  50, -50 );
        shape.line(  50,  50 );
        shape.line( -50,  50 );
        shape.line( -50, -50 );
        
        //--Create a Movie Clip (Sprite)
        MovieClip clip = new MovieClip();
        Frame f1 = clip.appendFrame();
        
        //--Place the red square in the center of the movie clip
        Instance inst = f1.placeSymbol( shape, 0, 0 );
        
        //--Rotate the square (using degrees for clarity)
        for( int angle = 10; angle < 90; angle += 10 )
        {
            //--Convert degrees to radians
            double radians = angle * Math.PI / 180.0;
            
            Frame f = clip.appendFrame();
            
            //--Create a rotation matrix
            Transform matrix = new Transform( radians, 0.0, 0.0 );
            
            //--Alter the square using the transformation matrix
            f.alter( inst, matrix, null );
        }
        
        //--Add a single frame to the movie and give it the stop action to
        //  prevent it from looping (the Movie Clip loops independently)
        Frame frame = movie.appendFrame();
        frame.stop();  
        
        //--Place 4 instances of the Movie Clip
        frame.placeSymbol( clip, 100, 100 );
        frame.placeSymbol( clip, 300, 100 );
        frame.placeSymbol( clip, 100, 300 );
        frame.placeSymbol( clip, 300, 300 );
        
        //--Save the movie to the output file
        movie.write( args[0] );
    }
}