arkanoid/src/game.js

import {
  BALL_INITIAL_ANGLE,
  BALL_RADIUS,
  BALL_SPEED,
  BRICK_HEIGHT,
  BRICK_WIDTH,
  CONTAINER_HEIGHT,
  CONTAINER_WIDTH,
  PADDLE_HEIGHT,
  PADDLE_WIDTH,
} from './config';
import { Ball } from './entities/ball/ball';
import { layBricks } from './entities/brick/layBricks/layBricks';
import { Paddle } from './entities/paddle/paddle';
import { tick } from './lib/tick/tick';
import { toRadians } from './lib/toRadians/toRadians';

/**
 * Класс игры c информацией о всех игровых сущностях
 */
export class Game {
  /**
   * @param {number} columnAmount количество кирпичей по оси X, неотрицателное, целое число
   * @param {number} rowAmount количество кирпичей по оси Y, неотрицателное, целое число
   */
  constructor(columnAmount, rowAmount) {
    this.livesAmount = 3;
    this.status = 'in_process';

    this.ball = new Ball(
      CONTAINER_WIDTH / 2 - BALL_RADIUS / 2,
      CONTAINER_HEIGHT / 2 - BALL_RADIUS / 2,
      BALL_RADIUS,
      BALL_SPEED * Math.cos(toRadians(BALL_INITIAL_ANGLE)),
      -1 * BALL_SPEED * Math.sin(toRadians(BALL_INITIAL_ANGLE)),
    );
    this.paddle = new Paddle(0, CONTAINER_HEIGHT - PADDLE_HEIGHT, PADDLE_WIDTH, PADDLE_HEIGHT);

    this.bricks = layBricks(columnAmount, rowAmount, BRICK_WIDTH, BRICK_HEIGHT);
  }

  /**
   * Изменяет значения сущностей в зависимости от времени
   * @param {*} deltaTime изменение времени из Ticker
   */
  update(deltaTime) {
    if (this.status !== 'in_process') {
      return;
    }
    tick(this, CONTAINER_WIDTH, CONTAINER_HEIGHT, deltaTime);

    if (this.ball.isOut) {
      this.livesAmount -= 1;

      if (this.livesAmount === 0) {
        this.status = 'over';
      } else {
        this.ball.reset();
      }
    }

    const isAnyBrickAlive = this.bricks.some((row) => row.some((brick) => brick.alive));

    if (!isAnyBrickAlive) {
      this.status = 'completed';
    }
  }
}