Bricks/Puddle.java at master · TkabRft/Bricks · GitHub

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//package bricks;

import java.awt.Image;
import java.awt.Rectangle;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

/* Игровая лопатка */

class Puddle extends MovableSprite implements KeyListener {
	static final int LEFT = 37;
	static final int RIGHT = 39;
	static final int alpha = 10;

	public Puddle(PlayField p, Image pic) {
		super(p, pic, new Rectangle(p.getWidth() / 2, p.getHeight() - 20, pic.getWidth(p),	pic.getHeight(p)), 0, 10);

		_pf.addKeyListener(this);
	}

	public void move() {
		if (_isMoving) {
			Rectangle b = _pf.getBoundary();
			_pos.x += _v.getSpeedX();

			if (_pos.x < b.x)
				_pos.x = b.x;
			else if (_pos.x + _pos.width > b.x + b.width)
				_pos.x = b.x + b.width - _pos.width;
		}
	}

	public void hitBy(Puck p) {
		if ( p.getDirection() == 90 ) {
			p.setDirection(270 + alpha);
		} else {
			int px = p.getBounds().x + p.getBounds().width/2;
			int l  = (int) (_pos.x +_pos.width*(1.0/3));
			int r  = (int) (_pos.x +_pos.width*(2.0/3));

			if ( px < l || px > r ) {
				p.getVelocity().reverse();
			} else {
				p.getVelocity().reverseY();
			}
		}
	}

	/* Обработка нажатия клавиши */
	public void keyPressed(KeyEvent e) {
		if (e.getKeyCode() == LEFT) {
			startMoving();
			_v.setDirection(180);
		} else if (e.getKeyCode() == RIGHT) {
			startMoving();
			_v.setDirection(0);
		}
	}

	/* Обработка отжатия клавиши */
	public void keyReleased(KeyEvent e) {
		stopMoving();
	}

	public void keyTyped(KeyEvent e) {
		;
	}
}