git.r.bdr.sh - rbdr/sumo/blob - lib/systems/draw_dash.js

   1 import { System } from '@serpentity/serpentity';
   2
   3 import DrawnDasherNode from '../nodes/drawn_dasher';
   4
   5 const internals = {
   6   kBlushRadius: 25
   7 };
   8
   9 /**
  10  * Shows a different graphic during the duration of lock
  11  *
  12  * @extends {external:Serpentity.System}
  13  * @class DrawDashSystem
  14  * @param {object} config a configuration object to extend.
  15  */
  16 export default class DrawDashSystem extends System {
  17
  18   constructor(config = {}) {
  19
  20     super();
  21
  22     /**
  23      * The node collection of dashers
  24      *
  25      * @property {external:Serpentity.NodeCollection} drawnDashers
  26      * @instance
  27      * @memberof DrawDashSystem
  28      */
  29     this.drawnDashers = null;
  30   }
  31
  32   /**
  33    * Initializes system when added. Requests drawn dasher nodes
  34    *
  35    * @function added
  36    * @memberof DrawDashSystem
  37    * @instance
  38    * @param {external:Serpentity.Engine} engine the serpentity engine to
  39    * which we are getting added
  40    */
  41   added(engine) {
  42
  43     this.drawnDashers = engine.getNodes(DrawnDasherNode);
  44   }
  45
  46   /**
  47    * Clears system resources when removed.
  48    *
  49    * @function removed
  50    * @instance
  51    * @memberof DrawDashSystem
  52    */
  53   removed() {
  54
  55     this.drawnDashers = null;
  56   }
  57
  58   /**
  59    * Runs on every update of the loop. Updates image depending on if
  60    * dash is locked
  61    *
  62    * @function update
  63    * @instance
  64    * @param {Number} currentFrameDuration the duration of the current
  65    * frame
  66    * @memberof DrawDashSystem
  67    */
  68   update(currentFrameDuration) {
  69
  70     for (const drawnDasher of this.drawnDashers) {
  71
  72       const dash = drawnDasher.dash;
  73       const container = drawnDasher.container.container;
  74
  75       if (dash.locked) {
  76         this._drawDashFace(container);
  77         continue;
  78       }
  79
  80       this._removeDashFace(container);
  81     }
  82   }
  83
  84   // Draws the dash face
  85
  86   _drawDashFace(container) {
  87
  88     const blush = container.getChildByName('blush');
  89     const smile = container.getChildByName('smile');
  90     const frown = container.getChildByName('frown');
  91     blush.visible = true;
  92     frown.visible = true;
  93     smile.visible = false;
  94   }
  95
  96   // Removes the dash face
  97
  98   _removeDashFace(container) {
  99
 100     const blush = container.getChildByName('blush');
 101     const smile = container.getChildByName('smile');
 102     const frown = container.getChildByName('frown');
 103     blush.visible = false;
 104     frown.visible = false;
 105     smile.visible = true;
 106   }
 107 };