Initial commit for historical purposes
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package com.aaaaahhhhhhh.bananapuncher714.tess4j;
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import java.awt.Color;
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import java.awt.Graphics;
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import java.util.Arrays;
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import java.util.List;
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import javax.swing.JFrame;
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import javax.swing.JPanel;
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import javax.swing.SwingUtilities;
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import com.aaaaahhhhhhh.bananapuncher714.tess4j.region.RegionSimple;
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import com.aaaaahhhhhhh.bananapuncher714.tess4j.region.RegionSimple.GluWindingRule;
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import com.aaaaahhhhhhh.bananapuncher714.tess4j.region.WindingRuleSimple;
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public class Tess4jTest extends JPanel {
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JFrame f;
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private int windowWidth = 1200;
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private int windowHeight = 1000;
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private int centerX = 600;
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private int centerY = 400;
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private Graphics g;
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private int scale = 100;
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public static void main( String[] args ) {
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SwingUtilities.invokeLater( new Runnable() {
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@Override
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public void run() {
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new Tess4jTest();
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}
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} );
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}
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public Tess4jTest() {
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f = new JFrame( "Drawing Board" );
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f.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
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f.add( this );
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f.setSize( windowWidth, windowHeight );
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f.setVisible( true );
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f.setResizable( true );
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f.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
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}
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public void drawPoint( double x, double y ) {
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g.fillRect( ( int ) x * scale, ( int ) y * scale, scale, scale );
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}
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private static Vector2d rotate( Vector2d a, double angle ) {
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double cos = Math.cos( angle );
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double sin = Math.sin( angle );
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double ax = a.getX() * cos - a.getY() * sin;
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double ay = a.getX() * sin + a.getY() * cos;
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return new Vector2d( ax, ay );
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}
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@Override
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public void paintComponent( Graphics g ) {
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super.paintComponent( g );
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this.g = g;
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// Vertex v = null;
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// for ( int i = 0; i < 100; i++ ) {
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// double deg = Math.random() * 360;
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// double dist = Math.random() * 100 + 100;
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// double x = dist * Math.cos( Math.toRadians( deg ) );
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// double y = dist * Math.sin( Math.toRadians( deg ) );
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// HalfWing edge = new HalfWing();
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// edge.getDest().setPosition( new Vector2d( x, y ) );
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// if ( v == null ) {
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// v = edge.getOrigin();
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// } else {
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// HalfWing.splice( edge, v.getWing() );
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// }
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// }
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// v.update();
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//
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// HalfWing edge = v.getWing();
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// int i = 0;
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// double ic = 0;
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// do {
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// Vector2d dest = edge.getDest().getPosition();
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// g.drawLine( centerX, centerY, ( int ) dest.getX() + centerX, ( int ) dest.getY() + centerY );
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// dest = dest.normalized();
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// g.drawString( i++ + "", ( int ) ( dest.x * 200 * ( ic + 1.1 ) ) + centerX, ( int ) ( dest.y * 200 * ( ic + 1.1 ) ) + centerY );
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// ic = ( ic + 0.07 ) % .7;
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// edge = edge.getPrev();
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// } while ( edge != v.getWing() );
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//
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// v.sort();
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//
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// g.drawLine( centerX + 700, centerY, centerX + 700, centerY - 400 );
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// edge = v.getWing();
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// i = 0;
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// ic = 0;
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// do {
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// Vector2d dest = edge.getDest().getPosition();
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// g.drawLine( centerX + 700, centerY, ( int ) dest.getX() + centerX + 700, ( int ) dest.y + centerY );
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// dest = dest.normalized();
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// g.drawString( i++ + "", ( int ) ( dest.x * 200 * ( ic + 1.1 ) ) + centerX + 700, ( int ) ( dest.y * 200 * ( ic + 1.1 ) ) + centerY );
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// ic = ( ic + 0.07 ) % .7;
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// edge = edge.getPrev();
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// } while ( edge != v.getWing() );
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// Tess4j< RegionSimple > tess4j = new Tess4j< RegionSimple >( () -> { return new RegionSimple( GluWindingRule.ODD ); } );
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Tess4j< RegionSimple > tess4j = new Tess4j< RegionSimple >( () -> { return new RegionSimple( GluWindingRule.ODD ); }, new Vector2dComparator() {
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@Override
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public double compareX( Vector2d a, Vector2d b ) {
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a = rotate( a, 128 );
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b = rotate( b, 128 );
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return a.x - b.x;
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}
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@Override
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public double compareY(Vector2d a, Vector2d b ) {
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a = rotate( a, 128 );
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b = rotate( b, 128 );
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return b.y - a.y;
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}
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} );
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// tess4j.addPolygon( new Polygon( Arrays.asList(
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// new Point( -1, -1 ),
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// new Point( 1, -1 ),
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// new Point( 1, 1 ),
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// new Point( -1, 1 )
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// ) ), new WindingRuleSimple() );
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// tess4j.addPolygon( new Polygon( Arrays.asList(
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// new Point( -1, 1 ),
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// new Point( 1, 1 ),
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// new Point( 1, 3 ),
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// new Point( -1, 3 )
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// ) ), new WindingRuleSimple() );
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// tess4j.addPolygon( new Polygon( Arrays.asList(
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// new Point( -2, -1 ),
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// new Point( -1, -1 ),
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// new Point( -1, 2 ),
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// new Point( -2, 2 )
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// ) ), new WindingRuleSimple() );
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// tess4j.addPolygon( new Polygon( Arrays.asList(
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// new Point( -5, 0 ),
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// new Point( -2, 0 ),
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// new Point( -2, 1 ),
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// new Point( -5, 1 )
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// ) ), new WindingRuleSimple() );
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// tess4j.addPolygon( new Polygon( Arrays.asList(
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// new Point( -1.75, .5 ),
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// new Point( 4.25, .5 ),
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// new Point( -0.25, -2.5 ),
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// new Point( 1.25, 2 ),
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// new Point( 2.75, -2.5 )
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// ) ), new WindingRuleSimple() );
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// tess4j.addPolygon( new Polygon( Arrays.asList(
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// new Point( -4, -2 ),
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// new Point( -1, -2 ),
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// new Point( -1, 1.5 ),
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// new Point( -4, 1.5 )
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// ) ), new WindingRuleSimple() );
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// tess4j.addPolygon( new Polygon( Arrays.asList(
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// new Point( -1, 0 ),
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// new Point( 0, 1.5 ),
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// new Point( 1, 0 )
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// ) ), new WindingRuleSimple() );
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// tess4j.addPolygon( new Polygon( Arrays.asList(
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// new Point( 1, 0 ),
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// new Point( 0, -2 ),
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// new Point( -1, 0 )
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// ) ), new WindingRuleSimple() );
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for ( int i = 0; i < 4; i++ ) {
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for ( int j = 0; j < 4; j++ ) {
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tess4j.addPolygon( new Polygon( Arrays.asList(
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new Point( i, j ),
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new Point( i, j + 1 ),
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new Point( i + 1, j + 1 ),
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new Point( i + 1, j )
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) ), new WindingRuleSimple() );
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// tess4j.addPolygon( new Polygon( Arrays.asList(
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// new Point( i, j ),
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// new Point( i, j + 1 ),
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// new Point( i + 1, j ),
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// new Point( i + 1, j + 1 )
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// ) ), new WindingRuleSimple() );
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}
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}
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tess4j.tessellate();
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List< Polygon > polygons = tess4j.getPolygons();
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System.out.println( "Polygon count" );
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System.out.println( polygons.size() );
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for ( Polygon p : polygons ) {
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System.out.println( p.points.size() );
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int size = p.points.size();
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int[] xPoints = new int[ size ];
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int[] yPoints = new int[ size ];
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for ( int i = 0; i < p.points.size(); i++ ) {
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Point point = p.points.get( i );
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System.out.println( point.x + ", " + point.y );
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Vector2d pVec = new Vector2d( point.x, point.y );
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pVec = rotate( pVec, 0 );
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point = new Point( pVec.getX(), pVec.getY() );
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xPoints[ i ] = ( int ) ( point.x * scale ) + centerX;
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yPoints[ i ] = 100 - ( int ) ( point.y * scale ) + centerY;
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}
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g.setColor( new Color( ( int ) ( Math.random() * 0xFFFFFF ) ) );
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g.fillPolygon( xPoints, yPoints, size );
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}
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g.setColor( Color.BLACK );
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for ( Polygon p : polygons ) {
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for ( Point point : p.points ) {
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Vector2d pVec = new Vector2d( point.x, point.y );
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pVec = rotate( pVec, 0 );
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point = new Point( pVec.getX(), pVec.getY() );
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double diff = scale * .05;
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g.drawRect( ( int ) ( point.x * scale ) + centerX - ( int ) diff, 100 - ( int ) ( point.y * scale ) + centerY - ( int ) diff, ( int ) ( diff * 2 ), ( int ) ( diff * 2 ) );
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}
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}
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g.drawLine( centerX, 0, centerX, 2000 );
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g.drawLine( 0, centerY + 100, 2000, centerY + 100 );
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// Point[] points = {
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// new Point( 0, -2 ),
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// new Point( 1.5, -3.0 ),
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// new Point( 0.0, -2.0 ),
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// new Point( 0.9545454545454546, -1.3636363636363638 ),
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// new Point( -0.8333333333333334, -1.0 ),
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// new Point( 0.8333333333333334, -1.0 ),
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// new Point( -0.5, 0.0 ),
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// new Point( 0.5, 0.0 ),
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// new Point( -0.16666666666666669, 1.0 ),
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// new Point( 0.16666666666666669, 1.0 ),
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// new Point( -0.16666666666666669, 1.0 ),
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// new Point( 1, 1 ),
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// new Point( -0.16666666666666669, 1.0 ),
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// new Point( 0, 1.5 ),
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// new Point( 0, 1.5 ),
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// new Point( 0.16666666666666669, 1.0 ),
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// new Point( -1, 2 ),
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// new Point( 1, 2 ),
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// };
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//
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// int size = points.length >> 1;
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// for ( int i = 0; i < size;i++ ) {
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// Point a = points[ i << 1 ];
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// Point b = points[ ( i << 1 ) + 1 ];
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//
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// g.drawLine( ( int ) ( a.x * scale ) + centerX, ( int ) ( a.y * scale ) + centerY, ( int ) ( b.x * scale ) + centerX, ( int ) ( b.y * scale ) + centerY );
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// }
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}
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}
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