avocado-old/packages/physics/body-view.js

import {Color, Primitives, Renderable} from '@avocado/graphics';
import {Rectangle, Vector} from '@avocado/math';

export class BodyView extends Renderable {

  constructor(body) {
    super();
    this.body = body;
    this.primitives = new Primitives();
    this.redrawAabb();
  }

  get internal() {
    return this.primitives.internal;
  }

  redrawAabb() {
    const aabb = this.body.aabb;
    this.primitives.clear();
    const xMiddle = aabb[0] + (aabb[2] / 2);
    this.primitives.drawLine(
      [xMiddle, aabb[1]],
      [xMiddle, aabb[1] + (aabb[3] - 0.0001)],
      Primitives.lineStyle(new Color(255, 255, 0), 0.5)
    );
    const yMiddle = aabb[1] + (aabb[3] / 2);
    this.primitives.drawLine(
      [aabb[0], yMiddle],
      [aabb[0] + (aabb[2] -0.0001), yMiddle],
      Primitives.lineStyle(new Color(255, 255, 0), 0.5)
    );
  }

}