lr-core/line-rider-engine/lines/Line.js

Line Rider core library

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _v = require('../../v2');

var _v2 = _interopRequireDefault(_v);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

class Line {
  constructor({ id, x1, y1, x2, y2 }) {
    this.id = id;
    this.p1 = (0, _v2.default)({ x: x1, y: y1 });
    this.p2 = (0, _v2.default)({ x: x2, y: y2 });
  }

  get collidable() {
    return false;
  }

  get x1() {
    return this.p1.x;
  }
  get y1() {
    return this.p1.y;
  }
  get x2() {
    return this.p2.x;
  }
  get y2() {
    return this.p2.y;
  }
  get vec() {
    return (0, _v2.default)(this.p2).sub(this.p1);
  }
  get lengthSq() {
    return this.vec.lenSq();
  }
  get invLengthSq() {
    return 1 / this.lengthSq;
  }
  get length() {
    return Math.sqrt(this.lengthSq);
  }
  get invLength() {
    return 1 / this.length;
  }
  get norm() {
    return (0, _v2.default)(this.vec).rotCW().mul(this.invLength * (this.flipped ? -1 : 1));
  }

  equals(line) {
    return this.id === line.id && this.type === line.type && this.p1.equals(line.p1) && this.p2.equals(line.p2);
  }

  toJSON() {
    return {
      id: this.id,
      type: this.type,
      x1: this.p1.x,
      y1: this.p1.y,
      x2: this.p2.x,
      y2: this.p2.y
    };
  }
}
exports.default = Line;