silphius/app/ecs/components/interacts.js

import Component from '@/ecs/component.js';

export default class Interacts extends Component {
  instanceFromSchema() {
    const {ecs} = this;
    return class ControlledInstance extends super.instanceFromSchema() {
      aabb() {
        const {Direction, Position} = ecs.get(this.entity);
        let x0 = Position.x - 8;
        let y0 = Position.y - 8;
        const direction = Direction.quantize(4);
        if (0 === direction) {
          x0 += 12
        }
        if (1 === direction) {
          y0 += 12
        }
        if (2 === direction) {
          x0 -= 12
        }
        if (3 === direction) {
          y0 -= 12
        }
        return {x0, x1: x0 + 15, y0, y1: y0 + 15};
      }
      toJSON() {
        return {};
      }
    }
  }
  static properties = {
    willInteractWith: {type: 'uint32'},
  };
}