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.redraw();
  }

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

  redraw() {
    const primitives = this.primitives;
    const vertices = this.body.vertices;
    primitives.clear();
    let firstVertice;
    let lastVertice;
    for (const vertice of vertices) {
      if (!firstVertice) {
        firstVertice = vertice;
      }
      if (lastVertice) {
        primitives.drawLine(
          lastVertice,
          vertice,
          Primitives.lineStyle(new Color(255, 255, 0), 1),
        );
      }
      lastVertice = vertice;
    }
    primitives.drawLine(
      lastVertice,
      firstVertice,
      Primitives.lineStyle(new Color(255, 255, 0), 1),
    );
  }

}