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;
}
