Adding PlayerMovement class to interpolate/extrapolate position along tests (installing Jasmine)

This commit is contained in:
David Négrier 2020-06-02 10:48:04 +02:00
parent 077b29bfbd
commit d69ce8a6a6
9 changed files with 144 additions and 2 deletions

View file

@ -3,11 +3,13 @@ const API_URL = process.env.API_URL || "http://api.workadventure.localhost";
const RESOLUTION = 3;
const ZOOM_LEVEL = 1/*3/4*/;
const POSITION_DELAY = 200; // Wait 200ms between sending position events
const MAX_EXTRAPOLATION_TIME = 250; // Extrapolate a maximum of 250ms if no new movement is sent by the player
export {
DEBUG_MODE,
API_URL,
RESOLUTION,
ZOOM_LEVEL,
POSITION_DELAY
POSITION_DELAY,
MAX_EXTRAPOLATION_TIME
}

View file

@ -0,0 +1,23 @@
import {HasMovedEvent} from "./GameManager";
import {MAX_EXTRAPOLATION_TIME} from "../../Enum/EnvironmentVariable";
export class PlayerMovement {
public constructor(private startPosition: HasMovedEvent, private startTick: number, private endPosition: HasMovedEvent, private endTick: number) {
}
public isOutdated(tick: number): boolean {
return tick > this.endTick + MAX_EXTRAPOLATION_TIME;
}
public getPosition(tick: number): HasMovedEvent {
let x = (this.endPosition.x - this.startPosition.x) * ((tick - this.startTick) / (this.endTick - this.startTick)) + this.startPosition.x;
let y = (this.endPosition.y - this.startPosition.y) * ((tick - this.startTick) / (this.endTick - this.startTick)) + this.startPosition.y;
return {
x,
y,
direction: this.endPosition.direction,
moving: this.endPosition.moving
}
}
}

View file

@ -0,0 +1,7 @@
/**
* This class is in charge of computing the position of all players.
* Player movement is delayed by 200ms so position depends on ticks.
*/
export class PlayersPositionInterpolator {
}