types/block.js

/**
 * @module block
 */
/**
 * @typedef {object} block
 * @property {function} if_colliding Returns whether the block is colliding with another one
 */
/**
 * Representation of blocks
 * @class
 * @constructor
 * @public
 */
class $block {
  /**
   * Creates a block from a number
   * @param {number} number Block ID
   * @param {boolean} [specific=true] Whether to disallow G.js from using that specific block again
   */
  constructor(a, specific = true) {
    this.value = a;
    this.type = 'block';
    if (specific && !all_known.blocks.includes(a)) all_known.blocks.push(a);
  }
  /**
   * Returns a collision block object
   * @param {block} b2 Other block to check for collision
   * @param {number} x X coordinate of the collision block
   * @param {number} y Y coordinate of the collision block
   * @returns {object} Returned collision block
   */
  collision_block(x, y) {
    return object({
      OBJ_ID: obj_ids.special.COLLISION_BLOCK,
      X: x,
      Y: y,
      BLOCK_A: this,
    })
  }
  /**
   * 
   * @param {block} b2 Other block to check for collision
   * @param {group} true_id Group to call if colliding with b2
   * @param {group} false_id Group to call if not colliding with b2
   */
  if_colliding(b2, true_id = group(0), false_id = group(0)) {
    let j = {
      OBJ_ID: 3609,
      BLOCK_A: this,
      BLOCK_B: b2
    };
    if (true_id) j.TRUE_ID = true_id;
    if (false_id) j.FALSE_ID = false_id;
    $.add(trigger(j));
  }
}

module.exports = $block;