front/src/Phaser/Game/PlayerMovement.ts

   1 import {HasMovedEvent} from "./GameManager";
   2 import {MAX_EXTRAPOLATION_TIME} from "../../Enum/EnvironmentVariable";
   3 import {PositionInterface} from "../../Connection";
   4
   5 export class PlayerMovement {
   6     public constructor(private startPosition: PositionInterface, private startTick: number, private endPosition: HasMovedEvent, private endTick: number) {
   7     }
   8
   9     public isOutdated(tick: number): boolean {
  10         //console.log(tick, this.endTick, MAX_EXTRAPOLATION_TIME)
  11
  12         // If the endPosition is NOT moving, no extrapolation needed.
  13         if (this.endPosition.moving === false && tick > this.endTick) {
  14             return true;
  15         }
  16
  17         return tick > this.endTick + MAX_EXTRAPOLATION_TIME;
  18     }
  19
  20     public getPosition(tick: number): HasMovedEvent {
  21         // Special case: end position reached and end position is not moving
  22         if (tick >= this.endTick && this.endPosition.moving === false) {
  23             return this.endPosition;
  24         }
  25
  26         let x = (this.endPosition.x - this.startPosition.x) * ((tick - this.startTick) / (this.endTick - this.startTick)) + this.startPosition.x;
  27         let y = (this.endPosition.y - this.startPosition.y) * ((tick - this.startTick) / (this.endTick - this.startTick)) + this.startPosition.y;
  28
  29         return {
  30             x,
  31             y,
  32             direction: this.endPosition.direction,
  33             moving: true,
  34             silent: true
  35         }
  36     }
  37 }