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com.github.cschen1205.navigator.gui.BearingPanel Maven / Gradle / Ivy
package com.github.cschen1205.navigator.gui;
import com.github.cschen1205.navigator.minefield.env.MineField;
import javax.swing.*;
import java.awt.*;
/**
* Created by chen0469 on 10/2/2015 0002.
*/
public class BearingPanel extends JPanel {
private int currentBearing;
private int targetBearing;
private double range;
private int radius;
public BearingPanel(MineField m )
{
currentBearing = 0;
targetBearing = 0;
range = 0;
}
public void readBearing(int vehicleId, MineField m )
{
currentBearing = m.getCurrentBearing(vehicleId);
targetBearing = m.getTargetBearing(vehicleId);
repaint();
}
protected void paintComponent(Graphics g) {
super.paintComponent(g);
g.setColor( Color.blue );
radius = Math.min( getHeight() / 2, getWidth() / 4 );
g.fillOval( getWidth()/4-radius, getHeight()/2-radius, radius*2, radius*2 );
g.setColor( Color.magenta );
int cx = getWidth() / 4;
int cy = getHeight() / 2;
switch( currentBearing )
{
case 0:
g.drawLine(cx, cy, cx, cy - radius);
g.drawLine(cx - 1, cy, cx - 1, cy - radius + 1 );
g.drawLine(cx + 1, cy, cx + 1, cy - radius + 1 );
break;
case 1:
g.drawLine(cx, cy, (int)(cx+radius/Math.sqrt(2.0)), (int)(cy-radius/Math.sqrt(2.0)));
g.drawLine(cx - 1, cy - 1, (int)(cx+radius/Math.sqrt(2.0)) - 1, (int)(cy-radius/Math.sqrt(2.0)) - 1);
g.drawLine(cx + 1, cy + 1, (int)(cx+radius/Math.sqrt(2.0)) + 1, (int)(cy-radius/Math.sqrt(2.0)) + 1);
break;
case 2:
g.drawLine(cx, cy, cx+radius, cy);
g.drawLine(cx, cy - 1, cx+radius-1, cy - 1);
g.drawLine(cx, cy + 1, cx+radius-1, cy + 1);
break;
case 3:
g.drawLine(cx, cy, (int)(cx+radius/Math.sqrt(2.0)), (int)(cy+radius/Math.sqrt(2.0)));
g.drawLine(cx + 1, cy - 1, (int)(cx+radius/Math.sqrt(2.0))+1, (int)(cy+radius/Math.sqrt(2.0))-1);
g.drawLine(cx - 1, cy + 1, (int)(cx+radius/Math.sqrt(2.0))-1, (int)(cy+radius/Math.sqrt(2.0))+1);
break;
case 4:
g.drawLine(cx, cy, cx, cy+radius);
g.drawLine(cx - 1, cy, cx - 1, cy+radius-1);
g.drawLine(cx + 1, cy, cx + 1, cy+radius-1);
break;
case 5:
g.drawLine(cx, cy, (int)(cx-radius/Math.sqrt(2.0)), (int)(cy+radius/Math.sqrt(2.0)));
g.drawLine(cx + 1, cy + 1, (int)(cx-radius/Math.sqrt(2.0))+1, (int)(cy+radius/Math.sqrt(2.0))+1);
g.drawLine(cx - 1, cy - 1, (int)(cx-radius/Math.sqrt(2.0))-1, (int)(cy+radius/Math.sqrt(2.0))-1);
break;
case 6:
g.drawLine(cx, cy, cx-radius, cy);
g.drawLine(cx, cy - 1, cx-radius+1, cy - 1);
g.drawLine(cx, cy + 1, cx-radius+1, cy + 1);
break;
case 7:
g.drawLine(cx, cy, (int)(cx-radius/Math.sqrt(2.0)), (int)(cy-radius/Math.sqrt(2.0)));
g.drawLine(cx + 1, cy - 1, (int)(cx-radius/Math.sqrt(2.0))+1, (int)(cy-radius/Math.sqrt(2.0))-1);
g.drawLine(cx - 1, cy + 1, (int)(cx-radius/Math.sqrt(2.0))-1, (int)(cy-radius/Math.sqrt(2.0))+1);
break;
}
g.setColor (Color.blue);
radius = getHeight()/2;
g.fillOval((getWidth()*3)/4-radius, getHeight()/2-radius, radius*2, radius*2);
g.setColor (Color.magenta);
cx = (getWidth()*3)/4;
cy = getHeight()/2;
switch (targetBearing) {
case 0:
g.drawLine(cx, cy, cx, cy - radius);
g.drawLine(cx - 1, cy, cx - 1, cy - radius + 1 );
g.drawLine(cx + 1, cy, cx + 1, cy - radius + 1 );
break;
case 1:
g.drawLine(cx, cy, (int)(cx+radius/Math.sqrt(2.0)), (int)(cy-radius/Math.sqrt(2.0)));
g.drawLine(cx - 1, cy - 1, (int)(cx+radius/Math.sqrt(2.0)) - 1, (int)(cy-radius/Math.sqrt(2.0)) - 1);
g.drawLine(cx + 1, cy + 1, (int)(cx+radius/Math.sqrt(2.0)) + 1, (int)(cy-radius/Math.sqrt(2.0)) + 1);
break;
case 2:
g.drawLine(cx, cy, cx+radius, cy);
g.drawLine(cx, cy - 1, cx+radius-1, cy - 1);
g.drawLine(cx, cy + 1, cx+radius-1, cy + 1);
break;
case 3:
g.drawLine(cx, cy, (int)(cx+radius/Math.sqrt(2.0)), (int)(cy+radius/Math.sqrt(2.0)));
g.drawLine(cx + 1, cy - 1, (int)(cx+radius/Math.sqrt(2.0))+1, (int)(cy+radius/Math.sqrt(2.0))-1);
g.drawLine(cx - 1, cy + 1, (int)(cx+radius/Math.sqrt(2.0))-1, (int)(cy+radius/Math.sqrt(2.0))+1);
break;
case 4:
g.drawLine(cx, cy, cx, cy+radius);
g.drawLine(cx - 1, cy, cx - 1, cy+radius-1);
g.drawLine(cx + 1, cy, cx + 1, cy+radius-1);
break;
case 5:
g.drawLine(cx, cy, (int)(cx-radius/Math.sqrt(2.0)), (int)(cy+radius/Math.sqrt(2.0)));
g.drawLine(cx + 1, cy + 1, (int)(cx-radius/Math.sqrt(2.0))+1, (int)(cy+radius/Math.sqrt(2.0))+1);
g.drawLine(cx - 1, cy - 1, (int)(cx-radius/Math.sqrt(2.0))-1, (int)(cy+radius/Math.sqrt(2.0))-1);
break;
case 6:
g.drawLine(cx, cy, cx-radius, cy);
g.drawLine(cx, cy - 1, cx-radius+1, cy - 1);
g.drawLine(cx, cy + 1, cx-radius+1, cy + 1);
break;
case 7:
g.drawLine(cx, cy, (int)(cx-radius/Math.sqrt(2.0)), (int)(cy-radius/Math.sqrt(2.0)));
g.drawLine(cx + 1, cy - 1, (int)(cx-radius/Math.sqrt(2.0))+1, (int)(cy-radius/Math.sqrt(2.0))-1);
g.drawLine(cx - 1, cy + 1, (int)(cx-radius/Math.sqrt(2.0))-1, (int)(cy-radius/Math.sqrt(2.0))+1);
break;
}
}
}
