@moderrkowo/jsgl/src/gameobjects/Sprite.ts

Client-side JavaScript library for creating web 2D games. Focusing at objective game.

import { ClickableGameObject } from './ClickableGameObject';

import { DrawEvent } from '../events/DrawEvent';
import { GameObjectSpawnEvent } from '../events/gameobject/GameObjectSpawnEvent';
import { RotationStyle } from '../enums/RotationStyle';

/**
 * Represents sprite game object
 * @group Game Objects
 */
export class Sprite extends ClickableGameObject {
  /**
   * Sprite texture
   */
  public texture: HTMLImageElement | undefined;

  /**
   * Sprite rotation style
   */
  public rotationStyle: RotationStyle = RotationStyle.allAround;

  /**
   * Calls `event.game.Update()` at spawn
   * @override
   */
  public override Start(event: GameObjectSpawnEvent): void {
    event.game.Update();
  }

  /**
   * Calls sprite render on drawing
   * @override
   */
  public override OnDraw(event: DrawEvent): void {
    if (this.texture === undefined) return;
    if (this.visible) {
      event.renderer.drawSprite(this);
    }
  }
}