jumpstorm/engine/entities/Player.ts

import { Entity } from ".";
import { IMAGES, SPRITE_SPECS, Sprites, type SpriteSpec } from "../config";
import {
  Jump,
  FacingDirection,
  BoundingBox,
  Sprite,
  Velocity,
  Gravity,
  WallBounded,
  Forces,
  Collide,
  Control,
  Mass,
  Moment,
} from "../components";
import { Direction } from "../interfaces";

export class Player extends Entity {
  private static MASS: number = 10;
  private static MOI: number = 1000;

  private static spriteSpec: SpriteSpec = SPRITE_SPECS.get(
    Sprites.COFFEE,
  ) as SpriteSpec;

  constructor() {
    super();

    this.addComponent(
      new BoundingBox(
        { x: 300, y: 100 },
        { width: Player.spriteSpec.width, height: Player.spriteSpec.height },
        0,
      ),
    );

    this.addComponent(
      new Velocity({ dCartesian: { dx: 0, dy: 0 }, dTheta: 0 }),
    );

    this.addComponent(new Mass(Player.MASS));
    this.addComponent(new Moment(Player.MOI));
    this.addComponent(new Forces());
    this.addComponent(new Gravity());

    this.addComponent(new Jump());
    this.addComponent(new Control());

    this.addComponent(new Collide());
    this.addComponent(new WallBounded());

    this.addFacingDirectionComponents();
  }

  private addFacingDirectionComponents() {
    const [leftSprite, rightSprite] = [Direction.LEFT, Direction.RIGHT].map(
      (direction) =>
        new Sprite(
          IMAGES.get(Player.spriteSpec.states?.get(direction)?.sheet as string),
          { x: 0, y: 0 },
          { width: Player.spriteSpec.width, height: Player.spriteSpec.height },
          Player.spriteSpec.msPerFrame,
          Player.spriteSpec.frames,
        ),
    );

    this.addComponent(new FacingDirection(leftSprite, rightSprite));
    this.addComponent(leftSprite); // face Left by default
  }
}