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

 import { System } from '@serpentity/serpentity';

3 import DrawnDasherNode from '../nodes/drawn_dasher';

5 /**

6 * Shows a different graphic during the duration of lock

7 *

8 * @extends {external:Serpentity.System}

9 * @class DrawDashSystem

10 * @param {object} config a configuration object to extend.

11 */

12 export default class DrawDashSystem extends System {

14 constructor(config = {}) {

16 super();

18 /**

19 * The node collection of dashers

20 *

21 * @property {external:Serpentity.NodeCollection} drawnDashers

22 * @instance

23 * @memberof DrawDashSystem

24 */

     this.drawnDashers = null;

26 }

28 /**

29 * Initializes system when added. Requests drawn dasher nodes

30 *

31 * @function added

32 * @memberof DrawDashSystem

33 * @instance

34 * @param {external:Serpentity.Engine} engine the serpentity engine to

35 * which we are getting added

36 */

37 added(engine) {

     this.drawnDashers = engine.getNodes(DrawnDasherNode);

40 }

42 /**

43 * Clears system resources when removed.

44 *

45 * @function removed

46 * @instance

47 * @memberof DrawDashSystem

48 */

49 removed() {

     this.drawnDashers = null;

52 }

54 /**

55 * Runs on every update of the loop. Updates image depending on if

56 * dash is locked

57 *

58 * @function update

59 * @instance

60 * @param {Number} currentFrameDuration the duration of the current

61 * frame

62 * @memberof DrawDashSystem

63 */

64 update(currentFrameDuration) {

     for (const drawnDasher of this.drawnDashers) {

68 const dash = drawnDasher.dash;

       const container = drawnDasher.container.container;

71 if (dash.locked) {

         this._drawDashFace(container);

73 continue;

74 }

       this._removeDashFace(container);

77 }

78 }

80 // Draws the dash face

82 _drawDashFace(container) {

     const blush = container.getChildByName('blush');

     const smile = container.getChildByName('smile');

     const frown = container.getChildByName('frown');

87 blush.visible = true;

88 frown.visible = true;

89 smile.visible = false;

90 }

92 // Removes the dash face

94 _removeDashFace(container) {

     const blush = container.getChildByName('blush');

     const smile = container.getChildByName('smile');

     const frown = container.getChildByName('frown');

99 blush.visible = false;

100 frown.visible = false;

101 smile.visible = true;

102 }

103 }