diff options
| -rw-r--r-- | src/com/benburwell/planes/gui/AircraftMapComponent.java | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/com/benburwell/planes/gui/AircraftMapComponent.java b/src/com/benburwell/planes/gui/AircraftMapComponent.java index d680b60..780f1db 100644 --- a/src/com/benburwell/planes/gui/AircraftMapComponent.java +++ b/src/com/benburwell/planes/gui/AircraftMapComponent.java @@ -84,6 +84,7 @@ public class AircraftMapComponent implements ViewComponent { private final double MIN_LATITUDE = -90.0; private final double MAX_LONGITUDE = 180.0; private final double MIN_LONGITUDE = -180.0; + private final int RING_SPACING = 10; private List<Drawable> planes = new ArrayList<>(); private double centerLatitude; private double centerLongitude; @@ -101,6 +102,7 @@ public class AircraftMapComponent implements ViewComponent { super.paintComponent(g); this.planes.forEach(item -> item.drawOn(g, this)); this.drawPositionAndScale(g); + this.drawRange(g); } public void drawPositionAndScale(Graphics g) { @@ -112,6 +114,23 @@ public class AircraftMapComponent implements ViewComponent { g.drawString(String.format("%08.5f E", this.centerLongitude), TEXT_PADDING, (int)FONT_SIZE * 2 + TEXT_PADDING); } + public void drawRange(Graphics g) { + int centerX = this.getWidth() / 2; + int centerY = this.getHeight() / 2; + g.setColor(GraphicsTheme.Colors.BASE_3); + int diameter = (int) this.getPixelsPerNauticalMile() * RING_SPACING; + int ringNumber = 1; + while (diameter < this.getWidth() || diameter < this.getHeight()) { + g.drawOval(centerX - (diameter / 2), centerY - (diameter / 2), diameter, diameter); + g.drawString(String.format("%d", ringNumber * RING_SPACING), centerX + (diameter / 2) + TEXT_PADDING, (int) (centerY + FONT_SIZE + TEXT_PADDING)); + g.drawString(String.format("%d", ringNumber * RING_SPACING), centerX + TEXT_PADDING, centerY - (int) ((diameter / 2) + FONT_SIZE)); + diameter += this.getPixelsPerNauticalMile() * 10; + ringNumber++; + } + g.drawLine(centerX, 0, centerX, this.getHeight()); + g.drawLine(0, centerY, this.getWidth(), centerY); + } + public void setPlanes(List<Drawable> planes) { this.planes = planes; this.invalidate(); @@ -134,6 +153,10 @@ public class AircraftMapComponent implements ViewComponent { return this.pixelsPerDegree; } + public double getPixelsPerNauticalMile() { + return this.pixelsPerDegree / 60.0; + } + public void zoomIn() { this.pixelsPerDegree += ZOOM_INTERVAL; this.invalidate(); |