private FishState drawFish() { FishState fishUnderMouse = null; for (FishState fs : state.getFish()) { if (fs.isAlive()) { Vector pos = fs.getPosition(); // Draw tail and outline according to speed int tailBrightness = (int) ((double) fs.getSpeed() / Rules.MAX_SPEED * 255); bufferGraphics.setColor(Color.BLACK); bufferGraphics.drawLine( (int) pos.x, (int) pos.y, (int) (pos.x - fs.getRudderVector().x * fs.getRadius() * 2), (int) (pos.y - fs.getRudderVector().y * fs.getRadius() * 2)); bufferGraphics.fillOval( (int) pos.x - fs.getRadius(), (int) pos.y - fs.getRadius(), 2 * fs.getRadius(), 2 * fs.getRadius()); bufferGraphics.setColor(fishtank.getColor(fs.fish_id)); bufferGraphics.fillOval( (int) pos.x - fs.getRadius() + 1, (int) pos.y - fs.getRadius() + 1, 2 * fs.getRadius() - 2, 2 * fs.getRadius() - 2); } if (fs.getPosition().minus(mousePosition).length() < fs.getRadius()) { fishUnderMouse = fs; } } return fishUnderMouse; }